美日联合买入日元并讨论FIMA支持，日股出口商和金融股已完成首轮汇率重定价

# 美股盘后催化 11/12: 美日罕见联合干预推升日元，出口商、银行和未对冲海外资产短线重定价

- 美股会话: 2026-08-03
- 方向: MIXED；类型: 监管/政策；规划重大性: 7/10
- 映射模式: macro_context
- 美股驱动（规划器初判，需独立核验）: 事实：多条材料称美国和日本15年来首次联合干预汇市，日本确认买入日元，美国官员不排除进一步协作，并提到FIMA工具。推断：日元升值和干预可信度提升会压制出口商海外利润折算，但缓解输入型通胀，并影响银行、寿险、商社和持有美元资产公司的套保与估值。

## 本催化相关美股真实收盘行情

- 索尼 (SONY.US): 22.63 -2.71%

## 亚太映射假设（仅候选，必须查证）

- 丰田汽车 (7203.JP) [JP/同源本地股/mixed]: 日元走强通常压缩海外利润折算，但本地成本和输入型通胀压力下降。；核验问题: 核实丰田FY汇率假设、美元/日元敏感度和套保区间。
- 索尼集团 (6758.JP) [JP/同源本地股/mixed]: 海外娱乐和电子收入折算受压，但进口成本和部分费用端受益。；核验问题: 核实索尼各业务地区收入、成本币种和自然对冲。
- 三菱UFJ金融集团 (8306.JP) [JP/同源本地股/mixed]: 汇率干预和潜在政策协同影响净息差、海外资产估值、套保成本和市场风险偏好。；核验问题: 核实利率曲线变化、美元资产敞口和外币债券久期。

## 必答问题

- 日本财务省最终披露的干预规模和资金来源是多少？
- 美国是否实际使用或扩大FIMA工具？
- 日元升值是一次性挤仓还是政策框架变化？

## 原始证据全文（6 条）

### [E0738] MarketWatch Top Stories | 2026-08-03 15:09 UTC | 盘中
Why the U.S. decided to help Japan by boosting the flailing yen
URL: https://www.marketwatch.com/story/joint-u-s-japanese-intervention-boosts-the-yen-but-will-it-be-enough-069451f5?mod=mw_rss_topstories
The U.S. Treasury Department and Federal Reserve have joined forces with their Japanese counterparts to stage a historic joint intervention to boost the Japanese yen, according to Japan’s Ministry of Finance, which confirmed the move in a statement on Monday.

### [E0773] Reuters | 2026-08-03 15:15 UTC | 盘中
US shakes up currency markets with unusual yen-buying via selling euros http://reut.rs/4hcdQ0A http://reut.rs/4hcdQ0A
URL: https://x.com/Reuters/status/2084297049978065125
US shakes up currency markets with unusual yen-buying via selling euros http://reut.rs/4hcdQ0A http://reut.rs/4hcdQ0A

### [E1451] Reuters | 2026-08-03 17:40 UTC | 盘中
Japan's fight with yen bears goes on after joint rescue http://reut.rs/4pTCTYx http://reut.rs/4pTCTYx
URL: https://x.com/Reuters/status/2084333502196031894
Japan's fight with yen bears goes on after joint rescue http://reut.rs/4pTCTYx http://reut.rs/4pTCTYx

### [E2775] Bloomberg TV+ | 2026-08-03 21:30 UTC | 收盘后
「Bloomberg TV+」直播转录 05:00–05:30
URL: http://39.105.42.197:20307/event/live
【实时直播转录 · Bloomberg TV+】
来源:Bloomberg TV+(bloomberg 直播间 btv_us) · 标题:Bloomberg TV+
时段:2026-08-04 05:00–05:30(Asia/Shanghai),共 185 段
说明:以下为该时段该直播间的连续语音转录(直播 ASR,可能有同音/识别误差)。请从中识别与 AI算力/芯片/服务器/光模块/液冷/数据中心/大模型/机器人·具身智能/自动驾驶 等相关的、**可交易**的公司/产品/订单/产能/需求/合作/高管或官员表态,判断是否构成可交易事件;若通篇无可交易内容,判为不做。识别误差请结合上下文与常识修正,勿据孤立音近词臆断。

--- 转录正文 ---
[05:00] President trump kley says the latest round of talks with tehran will go quickly after calling off what he described as a major attack on iran.
[05:00] Last weekend, but trump warned in the oval office today that this round indeed could be the last chance.
[05:00] No, I don't know, I think we're going to maybe get something, but I want to give every last chance before decapitation.
[05:00] To do what we have planned, still planned, we'll see what happens, but it's a very, very tough thing to do.
[05:00] I think I'm very proud of the fact that I will give people, I'll give people a chance, this is a big move to do and attack that.
[05:00] I'd rather not doBut Iran has denied talks happening.
[05:00] Directly at least with the u.S says it's currently in negotiations with oman to get ships moving through the strait of formz us.
[05:00] From the white house is bloomberg's courtney sueramanian who was in the oval office today with the president courtney, it's great to have you with us can you clear this up do we know?
[05:01] Who was talking to No, that seems to be the central question. the president insisted that the U is having.
[05:01] Con negotiations with Iran Iran is denying that the U that they're talking to the U.
[05:01] Saying they're only talking to Oman, as you said, about trying to get some ships through the Strrat of Horms, I did ask the president.
[05:01] iran was willing to return to free passage through the Straiit of the homs, take a listen to what he said.
[05:01] I be willing to return to fully free navigation of it has to be, I'm not going to let up George.
[05:01] will charge with the one that has we have total control, you know we have a thing called the blockade with his Navy.
[05:01] NThey call it a wall of steel, the United States a wall of steel, and no, no, there's not going to be charging.
[05:02] Not talking about at as you heard there, the president said that he would not accept.
[05:02] Any sort of tolls from Iran, but of course, Iran has showed no sign at this point of allowing free passage of ships through the.
[05:02] And has said that a fee structure would be a key condition of any deal that was reached.
[05:02] We did press the President on a timeline of how long these talks would go on.
[05:02] That they would go very quickly. he wanted to give them one last chance, but he also said in the same answer that he was under.
[05:02] No time constraintss. So we are in a bit of a wait and see posture here at the White House. Well, and of course, you were dealing with.
[05:02] Of other questions at the white house today the president was also posed the question as to whether or not he signed off on todd blanche's statement sent to.
[05:02] Senators tom tillllis and john cornan that effectively formally rescinded the anti weaponization fund clarified some details around the irRS.
[05:03] Imunity for president trump the president suggested he hadn't looked at that courtney is there a chance that this does not in fact have his buy in?
[05:03] He did seem to downplay this decision after tweeting about it over the weekend, going as far.
[05:03] As to saying that he would be willing to poll Todd blanche's nomination until Coryn and Tillis are no longer in office.
[05:03] But the president said he did not sign off on this, he did not look at it, he said it was his understanding that Todd blanchech.
[05:03] Had agreed to reconfirm to things he had already said, but it did give us some clarity around.
[05:03] The scope of the President's immunity deal, toplannch did sign this document that rescinded the fund, but also limited the scope.
[05:03] Of his immunity deal just to the irRS and not other agencies like the doj, but critics say this agreement.
[05:04] Does not change the text underlying in the underlying settlement and that the president could you possibly return to.
[05:04] this fund later on down the line. So I think there is a reason we're seeing the president downplay this at this point.
[05:04] igging more into that with a legal expert leader this hour bloomberg's courtney supermanian live from the north lawn of the white house thank you so much but we now want to dig in more.
[05:04] To the prospects of a potential deal with iran, as president trump has said repeatedly, as we've told you, this is the last chance and joining us now as ambassador.
[05:04] seffrey distinguished fellow at the washington in for Ne East policy, former U.. ambasador to iraq and Turkey and former deputy national security advisor.
[05:04] To President Georgege w. Bush, ambassador, welcome back to bloomberg tv and radio, we have seen a repeated pattern here.
[05:04] Of the president issuing an ultimatum to ir threatening to escalate only then to walk that back so what reason does Iranan?
[05:04] have to believe that this chance really is the last one thanks for having me on.
[05:05] President Trump's Middle East guys from 2018 to 2020, and one thing with him is he's usually not.
[05:05] precise in describing the situation to the media, he's trying to influence as much as inform.
[05:05] That said, there's no doubt that we were ready for a major strike, unlike the threats that we've seen repeatedly, as you mentioned.
[05:05] Since soon the Israelis were on board, club was told of the last moment, they were surprised.
[05:05] Jerusalem, and the reason is a the Saudis and others went to Trump and said, hold off.
[05:05] They don't want to have retaliatory strikes, but more importantly, I think there was a real negotiation ongoing, but not between us.
[05:05] In the Iranians, but indirectly through the Omanis and the Iranians about a way to clarify and.
[05:06] And the stits, who will control the shipping and all of that, President Trump says no fees, what we'll see because you can always.
[05:06] ge transitit services charges and things like that, it happens in the Donells, for example, so there may be something of.
[05:06] Certainly it was something that led him to call off the attack, which frankly, I don't think he really wants to do, he may have to, but at the moment, I think he's.
[05:06] Be seeing if he can work something out to negotiations So what was ambassador the bullet that was died?
[05:06] What could have happened last weekend is there in fact a strike that would decapitate as he says tehran?
[05:06] No, we tried that back in February, remember, and we decapitated a lot of people, particularly even Israelis did.
[05:06] And it didn't do anything it never does or almost never does taking out leaders, they're replaced by other leaders.
[05:06] What he was planning on doing was massive strikes on the energy, fuel, transportation and communication.
[05:07] That gives the IGC, the revolutionary gods control over not only military force to.
[05:07] Keep the straits closed, but also to control the Iranian population very important, given that they rose up back in January.
[05:07] So that is a different quality of threat that he had put on the table, it may have had an influence on the Iranian.
[05:07] We'll have to wait and see, but talks are going on at one level between who knows.
[05:07] We've been long asking the question, who is talking to who and what about their private statements is actually being conveyed.
[05:07] Public statements, which often seem very different ambassador there seems to be a real lack of trust on all sides here, frankly.
[05:07] How do you ever get to a negotiated outcome so long as that is true my experience has been that.
[05:08] States that trust each other never get into serious negotiations because they're able to fix things informally.
[05:08] By calls and by good relationships, most negotiations are between states that don't trust each other.
[05:08] And boy, that sure sums up where we are with the Iranians they had a good deal back in June, the memorandum of.
[05:08] Trump sign, it probably tilted too far towards the Iranians, that was Lindsey Graham's position, but nonetheless.
[05:08] Tre it up and shut the straits down, and that was done by the radical element of the Iranian heaven.
[05:08] Paetty, which is the revolutionary gods, and they're going to have to sign off on any agreement or any understanding because.
[05:08] Why they'll keep shooting at chips in the Strs how many times can the president do this threaten to obliterate the?
[05:08] Pulling it back at the last minute when neighbors ask us to do so before no one believes them anymore amsador.
[05:09] Looks like the market will give him the benefit of the doubt indefinitely here, how about Middle East states?
[05:09] I think we are at the end of the tether in terms of making major threats.
[05:09] Turns out a that there was real negotiations and if or he had a real reason to call off the strikes rather than it was.
[05:09] bluffAnd then the Iranians pull out of these talks again, then I think possibly, but if this all looks like he was just.
[05:09] Luffing if there really wasn't some kind of more than the usual chatter back and forth, because there's always chatter back and forth between.
[05:09] The Iranians and some of our intermediaries, if there was a real thing there that caused him to stop and the Iranians didn't pull the plug on that.
[05:09] Ma go forward on the other hand, he's not in all that weaker position the entire Iranian export industry has been cut off.
[05:10] The blockade, as you pointed out, we're taking big hits too on oil prices and such, but Trump may think we can tolerate that better than they we'll see.
[05:10] But for the moment, I would say negotiation is the priority president as you consider.
[05:10] The economic pressure being placed on ir via the blockade certainly but also potentially through tighter sanctions, the president ambassador pushed for iran to be.
[05:10] Included in the sanction passage authored by senator lindsey graham before his passing that was supposed to target rus now ir inclusive the Senate.
[05:10] Very well could vote on this before the recess at the end of this week, what signal will that send to Iran pressure?
[05:10] 's at this point, given the package you're saying.
[05:10] Since we already have on them, it will only be, if you will, a baby step forward, but that's okay, it has signaling.
[05:10] Potential, it will show the Iranians that we're just going to up the pressure, if not by leaps and bombs and step by step and that.
[05:11] Trump is not going to quit because he doesn't like what's happening on the oil markets that's an important consideration because the Iranians think.
[05:11] They can outlastster, looking at the economics of it, they can't looking at the politics of it, they may think they can.
[05:11] Ambassador, just quickly, as we're out of time, I've been asking everybody this, this is a political show that you're on.
[05:11] underway on November 3I don't know what I do know is we are in deep.
[05:11] If we do not, in the end, tame and contain Iran, I believe Trump knows that that will shake questions like how.
[05:11] And what impact on November and his political future frankly Well, we'd love to stay in touch with you on that ambassador James Jeffrey thank.
[05:11] So much as always for being with as Bloomberg coming up after the U. stepped in last week to help prop up Japan's currency, Treasury Secretary Scottcott Bess.
[05:12] Sa the administration will not hesitate to step into the market again and we'll have more on what's motivating the intervention next on balance of power only on bloom.
[05:12] Tv and radio.
[05:13] Making money isn't about drowning and emotions.
[05:13] What's markets are the best way to glan signal from noise and that is what we try to do every morning.
[05:13] 🎼In case you missed it on Daybreak Europe talked going with the EU regulator on this.😊
[05:13] Look, as I told you, I interact a lot with Americas and Chinese players and we see a Trump fighting for their companies all the time.
[05:13] You see the Chinese fighting for their companies all the time. here in Europe. I feel I'm fighting against the European regulators, Not that they are fighting for us. They are fighting.
[05:13] 🎼It's a big mistake because we need to have really big global tech leaders in Europe Europe live every weekday.
[05:14] 🎼morning good morning. This is. We back to the opening trade. itberg money. This is the Asia trade.😊
[05:14] Is Wall Street welcome to balance of power you're watching Bloomberg deal welcome to Bberg this weekend this is Bloomberg television.
[05:14] They're making too much money, okay, based on a shortage, they're making too much money, I don't like it, and I should be the last one.
[05:14] SaBecause I'm a big free enterprise guy, Chevron, too much money, Exxon Mo, too much money.
[05:14] When you look at one company where they made 12 times what they made the year before, they ought to give some of that back to the public.
[05:14] They better cut the retail price, the consumer price this is balance of power on bloomloomberg t.
[05:14] Radio alongside joe matthew i'm kylely liness and that was president trump earlier today in the oval office criticizing exxonmobil and chvron for soaring profit.
[05:15] As oil prices surged due to the war in iran, but as we see in today's power moves today was a little different you actually had Cheevron and exxon lower.
[05:15] The broader trend in the market, which was a big rally across stocks the sp& 500 actually closed within a hair of an all time high rallying about 1. a5 percent.
[05:15] Real outperformance and technology in particular in part due to the fact that amazon was up more than 4% and now has a more than $3 trillion.
[05:15] value topping that as only one in five companies to ever do so in history, but chevron was down about 1.8% not just because of the harsh words from.
[05:15] Trumpr, but also because we saw oil prices falling today that has everything to do with president trump's calling off of further strikes against iran over the weekend that is why.
[05:15] WTI and brrenent were down in the ballpark of 5% brent closing at an 83 handle and wTI just above $80 a barrel.
[05:15] No surprise oil prices moving lower eases some inflation concerns out there in the bond market hence we saw a rally in treasuries with yields moving lower.
[05:16] cross the curve by just about four basis points the10 year at 467 or the 30 year rather at 522 one more.
[05:16] To check on though jo and that is currencies we have to talk about what's happening in dollar yen strengthening again today actually now at the strongest level against the dollar going back.
[05:16] To may now at about a 15720 level and that is of course, due to direct intervention, not just from Japanpan but.
[05:16] from the united states, the U.S and Japanpan acting jointly in that currency intervention for the first time in 15 years, joe i'm glad you mentioned that.
[05:16] on power movesBoth the US and Japan now signaling they're open to stepping back into the market to continue to defend.
[05:16] Yen after that joint intervention with treasury secretary scott besett writing on ex treasury remains attentive and in close communication with our counter.
[05:16] Part mof and boj we will not hesitate to participate in further joint intervention un president reporters on air.
[05:16] the will continue to be for Japan relationship.
[05:17] Very, very strong financially, they wanted a little bit of help and we're always there for Japan. Japan's been very good to us.
[05:17] Joining us now for more live from New York Bberg's Michael mKee, quite clearly of the administration has decided this is in our.
[05:17] As a nation How far is the administration willing to go Well, that'll be the question that Scott bessett asked.
[05:17] answer usually not very far in these things because interventions by themselves don't work and the issue for Japan is basically.
[05:17] Interest rate differentials between the U and the Japanese, they're at 1%, we're at three and a half to three and three.
[05:17] So the United States is seen as a much better place to put their money, and not only is that the case for company.
[05:17] It's also true for people who are in the government's pension plans and for their basic analog.
[05:18] To the 401 k plan so the feeling is is yes, they can arrest the slide in the Japanese.
[05:18] But unless Japan takes some fundamental actions, they're still going to have this problem going forward, and at some point it doesn't become worth it to the United States.
[05:18] Well why is it worth it to the United states now mike what's in it for us well it's always a sort of dividing line because.
[05:18] At some point, when the Japanese currency or any currency falls too far, then it makes it a problem.
[05:18] For the US because it brings in inflated price deflated prices basically for goods, so inflation.
[05:18] Itcomes an issue and we buy a lot of Japanese goods that also can hurt U.. automakers as well, so you don't want to go too.
[05:18] Let them go too far, we're certainly farther than we were back in 1998 the last time we interviewvened directly with them.
[05:18] We were at about 147 I think, at that point, so they've expanded the band, but this is roughly the area where.
[05:19] I guess the Treasury Department decides it's not worth letting it go any farther for the United States because it can be harmful to the economy.
[05:19] What do you make of the market's reaction to this so far then Mike as officials figure out their next steps' basically what you would expect.
[05:19] And what we have seen in the past, the markets take a break because some people got hurt, I mean, they're definitely not going to be priced for the kind of intervention.
[05:19] That theyNow, the question is when do people start tipping their toe back into the idea that they need.
[05:19] To sell yen or send it overseas, that could happen sometime in the next week or so.
[05:19] Or it could happen in a couple of days, that's why you're hearing from Secretary besett it's partly jaw bo to try to keep people on the sideline.
[05:19] As long as possible, but the bet is that we're still going to see the end continue to weaken how fast is going to.
[05:20] The issue all right, bloomberg's mi mKee, thank you so much and some news breaking this hour open AI sam altman.
[05:20] Has just been asked to brief a house panel on aI security issues this follows last month the company disclosing that autonomous aI agents escaped to test.
[05:20] Enmentauthorized access to systems on the hugging face platform an incident its ceo says could have been far worse.
[05:20] Bloomberg tech host ed Ludlow spoke with hugging face's ceo clemt along about defending against such attacks.
[05:20] Like for example, we're an AI platform, right, we have kind of like good ways to defend ourselves.😊
[05:20] For other organizations companies don't have kind of like the same defenses, obviously some some domains or more at risk.
[05:20] Thenhan others, I think it could have been much worse, but we need to take this kind like seriously as wake up.
[05:20] CallFor us to kind of like work more on getting these systems secure and giving more tools.
[05:21] To all defenders and generally creating more transparency and more monitoring of these systems.
[05:21] US government taking this as a wake up call, which branches of government have reached out to you since the event was disclosed.
[05:21] I'm not going to talk to kind of more of the private conversations that we've had but we.
[05:21] Obviously reported that to Calf like the relevant authorities and have had Calf like a bunch of conversations with.
[05:21] Different different organizations, different camp like Congress members and people from government.
[05:21] I mean, there are a couple of things that I think we need to do and get right in the next few months.
[05:21] In my opinion, we have to make sure that cyber attacks, even when they're done by agents, stay a crime and illegal.
[05:22] And make sure to to enforce that, Otherwise we're going to end up in a world where everyone is cyber attacking everyone with really no.
[05:22] This incentive to it second we need to create more transparency, like for example, why not doing disclosure mandate.
[05:22] Disclosure when agent cyber attack is happening, and third, we have to kind of give more tools to defenders.
[05:22] Like we mentioned open models, these are kind of like some of the tools that cyber attack defenders need.
[05:22] To make sure that they can defend themselves that's climbed along the CEO ofging F, which is suddenly a house.
[05:22] Hold name kylee and it's going to stay that way as we look ahead to this white house meeting tomorrow, really fascinating timing as we consider the safety of these.
[05:22] Models just like the ones that broke out of the sandbox and hacked hugging faced, the Trump administration out with this AI framework will be hosting some of the.
[05:22] The bull faces from AI tomorrow to get to this safety framework and see if they can sort of cross the T's and dot the eyes exactly.
[05:23] If's from the likes of open AI and Anthropic and Google are expected to be there granted, we haven't actually seen the framework publicly yet, but it's what has been created.
[05:23] Of the executive order that president trump signed earlier this summer essentially creating a voluntary regime for these new models to be tested by the government first.
[05:23] Before their release, but of course, the operative word is voluntary and especially in the face of the hugging face hack and similar disclosures made by Anthropic.
[05:23] About models escaping their own sandboxes over there, there's a question as to whether or not that really is enough in terms of securing and regulating this.
[05:23] No mandates here then again it's the companies themselves that wrote the language that brought us to this framework so there's a thought that they might want to cooperate here.
[05:23] Remember as well, they don't all agree amongst themselves it was sam altman last week who talked about pacing the future even as jensen wang tries to.
[05:23] To push the gas a little bit on the AI race, so these are some things that will need to be hashed out tomorrow and apparently it'll be happening at the White house well have more coverage on.
[05:24] Of course tomorrow and coming up this evening how dead is dead we'll get a lawyer's eye on the details of tod blanche's recision of the anti weapon.
[05:24] constitutionalal attorney robert Mcder joins us next will get the view of a lawyer on balance of power.
[05:24] TV and radio.
[05:26] 🎼Know how the market day started find out how it finishes public markets to private markets from the micro to the.
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[05:26] To the closing bell at 4 pm a holistic approach to covering financial markets if it matters to your life, we're covering it I'm katiell.
[05:26] And arm remain Bastic in this is the close every weekday from3 to five east only on bloomloomberg context changes everything.
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[05:27] To the minute geopolitical news whenever and wherever it happens, I'm tyyler Kendall in Geneva Switzerlandland and this is bloomloberg.
[05:27] 🎼Yeah.
[05:27] 🎼Yeah.
[05:27] This is balanceal of power onomberg.

### [E2876] Bloomberg | 2026-08-03 21:52 UTC | 收盘后
Bessent Seeks Fed Help in Defending Yen in Unusual Call
URL: https://www.bloomberg.com/news/articles/2026-08-03/bessent-seeks-fed-help-in-defending-yen-in-unusual-call
Treasury Secretary Scott Bessent’s call for the Federal Reserve to boost a facility that Japan can use to support its currency has put renewed attention on the ties between the two institutions, which typically operate at arm’s length.

After the Treasury joined forces with Japan to prop up the yen, Bessent on Sunday praised the Fed’s Foreign and International Monetary Authorities Repo Facility or FIMA, which allows foreign governments to access dollars using their Treasury holdings as collateral.

In a post on social media, Bessent described the Fed facility as an important support for Japan’s efforts and said “we would encourage it to be upsized in the coming months.”

Japan confirmed it bought yen on Friday and would use the Fed facility in the future, Finance Minister Satsuki Katayama said in a statement. The Fed declined to comment.

Cooperation between the Fed and Treasury to ensure financial stability isn’t unusual, especially during periods of volatility. And market participants say jitters in Treasury yields offer a good reason for the Fed to help smooth the yen intervention, since Japanese sales of its holdings could make things worse.

Still, close Fed-watchers said it’s rare for the Treasury secretary to publicly urge the central bank to make changes to any of its tools, especially one that falls under the authority of the policymaking Federal Open Market Committee.

“It’s highly unusual,” said Mark Sobel, a former senior Treasury official. “In my era, Treasury secretaries were loath to speak about issues related to Fed monetary operations in public, and were such a need to have arisen they’d have spoken privately to the Fed chair and handled this behind the scenes.”

The FIMA facility is designed to cushion the impact on US bond yields when a foreign government is seeking dollars, by offering them an alternative to selling their Treasury holdings. It has a limit of $60 billion per counterparty per day.

An increase in the counterparty limit would need to be approved by the Fed’s foreign currency subcommittee, which sits under the FOMC and is required to inform it of any planned changes.

‘Dollar Dominance’

The call by Bessent comes as the Fed remains under political pressure from the White House not to raise interest rates, even with inflation well above the 2% target. President Donald Trump has repeatedly argued that rates should be lower.

Bessent has in the past made a case for lower rates, though he took office promising not to discuss their direction. He has also talked up the idea of extending currency swap lines to more countries to strengthen “dollar dominance,” a move that would potentially require Fed support.

Steven Kamin, a senior fellow at the American Enterprise Institute and former division director at the Fed, said it’s in the Fed’s interests to ensure that the spillover onto bond yields is minimized if Japan, which has the world’s largest foreign holdings of Treasury bonds, wants to offload some of them to buy yen.

“I’m not sure that foreign exchange interventions are something that the FOMC wants to support,” Kamin said. “On the other hand, if countries like Japan are going to intervene anyway, better for them to do so without selling off Treasuries.”

Expanding the facility wouldn’t pose much risk to the Fed, either politically or through financial market exposure, said Eric Wallerstein, chief macro strategist for Clocktower Group and previously an adviser to former Fed Governor Stephen Miran.

“Because borrowing is short-term, against Treasury collateral and requires an interest payment, there’s no risk to the Fed,” he said.

Yet for Fed watchers, it was the public nature of Bessent’s call that turned heads more so than the request itself, said Wolfe Research’s Tobin Marcus.

“I can’t think of another instance where Treasury publicly called for this kind of Fed policy change, rather than coordinating behind closed doors,” he said.

### [E0961] Bloomberg | 2026-08-03 15:56 UTC | 盘中
Central Banks Let Markets Do Heavy Lifting as Iran War Adds Risk
URL: https://www.bloomberg.com/news/articles/2026-08-03/central-banks-let-markets-do-heavy-lifting-as-iran-war-adds-risk
Some of the world’s biggest central banks seem happy to let bond markets do their policy work for them.

The Federal Reserve and Bank of England have both suggested a recent surge in yields means they can stand pat on interest rates and wait to see if higher energy prices stemming from the on-again-off-again US war in Iran delivers a genuine price shock.

Because rising government bond yields trickle through the wider economy in the form of higher borrowing costs for businesses and homeowners, the market response reduces the immediate need for an actual rate hike.

Fed Chairman Kevin Warsh illustrated that laissez-faire approach Wednesday, when he kept rates on hold and said a tightening in financial conditions stemmed in part from the Fed’s reduced forward guidance. It means markets now “play the ball, not the referee,” he said. Not everyone is convinced by that logic.

“The tightening by markets is very small compared to past hiking cycles,” said George Moran, European macro strategist at RBC Capital Markets. “Central banks cannot rely on this alone if the shock propagates more broadly to inflation.”

With the war in Iran causing massive swings in global oil prices, a hands-off approach from global banks makes some sense until it’s clear which way inflation expectations are headed. But the lesson from earlier this decade — when pandemic lockdowns coincided with a spike in energy prices from Russia’s invasion of Ukraine — is that a delayed central bank response can make it all the harder to rein in accelerating prices.

Some Fed watchers warn that Warsh and his colleagues may wait too long this cycle too — requiring more aggressive action further down the line that drives borrowing costs even higher and hurts economic growth.

But recent data has backed a patient approach. US consumer prices declined in June for the first time in six years. Still, annual gauges continued to point to elevated inflation, with the headline index up 3.5% from a year earlier and the core measure 2.6% higher.

“Warsh is content to keep policy rates steady because the market is doing the heavy lifting,” said Ian Lyngen, head of US rates strategy at BMO Capital Markets. “The counterpoint is that the market will only effectively tighten for the Fed for so long without seeing policy follow through.”

Yield Curve

The Treasury yield curve steepened the most in almost a year after Warsh’s press conference on Wednesday as short-maturity yields lagged the advance seen for their longer peers. While the curve showed some flattening in Monday trading, the yield spread remained notably higher than before the Fed meeting.

Such moves “increase the pressure on the Fed to eventually deliver on these expectations,” said Elisabet Kopelman, US economist at Skandinaviska Enskilda Banken AB.

The gap between two-year and 30-year UK debt on Thursday saw the largest move since March. That came first in response to the US shift and then after the BOE signaled it was unlikely to raise rates anytime soon either.

Tighter financial conditions caused by war in the Middle East, as well as the upward sloping yield curve, “are weighing on any nascent inflation pressures,” BOE Governor Andrew Bailey said.

Even the European Central Bank, which already hiked rates and is expected to do so again in September, has acknowledged that markets are providing support. ECB President Christine Lagarde highlighted at a July 23 press conference that “more volatile and risk-averse financial markets could weigh on demand and thereby lower inflation as well.”

For Evelyne Gomez-Lietchi, a multi-asset strategist at Mizuho International Plc., central banks are prudent to let markets do their work.

“Central banks cannot ‘solve’ an energy price shock by raising rates,” she said. “It makes sense that central banks err on the side of caution in terms of delivering actual hikes.”

Japan’s central bank, meantime, is instead keeping its eye on the currency market, where a weak yen has added to the nation’s inflation. As Bank of Japan Governor Kazuo Ueda and his colleagues kept their benchmark unchanged at 1% on Friday, the Finance Ministry waded into the foreign-exchange market to prop up a flailing yen.

Read more: Yen Rises Amid Speculation of More Intervention After US Support

Ueda flagged a readiness to act with interest rates if price pressures broaden. His hawkish tone during a post-decision briefing kept a potential September increase on the table.

As for his peers, some caution that relying on the bond market alone won’t work to tamp down price pressures.

“The risk for the central banks is that they have to walk the talk at some point in order to keep inflation expectations in check,” said James Smith, developed market economist at ING.

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