BitMEX founder Arthur Hayes argued in his Aug. 11 essay "Yen Quake" that mounting pressure in the yen and Japanese government bond market could force the U.S. Federal Reserve into a form of indirect balance-sheet expansion through the FIMA facility. In his framework, Japan could pledge U.S. Treasuries to the Fed, obtain dollar funding, intervene in FX markets by selling dollars for yen, and then use the repatriated yen to support domestic bonds and equities. Hayes described the process as a kind of "shadow QE" that would add global dollar liquidity. He laid out three possible paths: a Bank of Japan rate hike, Japanese institutions selling overseas assets, or a FIMA-based funding route, which he said was the most likely. Hayes also listed four expected effects if that mechanism is used: Fed balance-sheet growth tied to FIMA collateral, a stronger yen, lower Japanese bond yields, and higher Japanese equities. For crypto markets, Hayes said the bigger implication is liquidity. He argued that more dollar creation would be supportive for Bitcoin, though he cautioned that a rapid yen move in the short term could still pressure crypto prices first. He added that Maelstrom is already heavily long Bitcoin and said gold and USD/JPY would likely provide the earliest signals.

People familiar with the matter told Jiji Press that the Bank of Japan could weigh another rate increase at its next policy meeting on Sept. 17-18. The possible move is aimed at containing accelerating inflation, according to the report.

Japan’s economic revitalization minister Saneyuki Konochi said the government’s large-scale industry investment plan would not weaken fiscal stability and could instead offer long-term support for the yen by lifting growth potential and drawing in capital. The roadmap, announced in June, spans 14 years and totals ¥370 trillion, or about $2.3 trillion, covering 17 priority areas including artificial intelligence, semiconductors and gaming. The plan has drawn market concern over Japan’s fiscal burden and debt risks. Konochi said backing strategic sectors such as AI and semiconductors is necessary to raise productivity and strengthen Japan’s global competitiveness, adding that larger inflows into Japan and yen-denominated assets would increase demand for the currency. He also pushed back on concerns over fiscal expansion, saying the government would place more weight on internationally used gauges such as the debt-to-GDP ratio rather than focusing only on achieving an annual primary budget balance. On monetary policy, he said he supports the Bank of Japan making decisions independently and that he respects the central bank’s independence, as market expectations build for another rate hike in September or October.

According to Kyodo News, multiple Japanese government officials disclosed on August 10 that the US and Japanese governments carried out an unusual joint yen-buying intervention on July 31, US Eastern Time — the first such action in 28 years. The decisive factor, they said, was Bank of Japan Governor Kazuo Ueda's strong hint at his press conference that day that policy rates would be raised as early as September and beyond. Ueda explicitly said the BOJ would "accelerate the pace of rate hikes" if necessary. The US gave a positive assessment, and the two governments aligned on preventing excessive yen depreciation. The officials said Washington is concerned that Japan's delayed rate hikes have left the yen too weak, fueling further price increases and higher long-term interest rates that could ripple across global financial markets. A senior Japanese government official said Ueda's remarks were highly persuasive to the US, and that the BOJ has no choice but to raise rates at its September 17-18 policy meeting.

The Bank of Japan on Aug. 10 released a summary of board members' opinions from its July monetary policy meeting, showing that borrowing costs may rise faster than markets currently price in. A Cabinet Office representative stressed that appropriate monetary policy supporting price stability is essential for a strong economy, and called for close coordination between the government and the central bank. Several board members said the BOJ's rate-hike pace could outpace market expectations, and that agile adjustment of the policy rate is crucial while monitoring inflation risks. The summary also highlighted the need to normalize monetary policy by lifting the policy rate above the lower bound of the estimated neutral rate range. Board members warned that inflation pressures may become visible from summer onward and that the BOJ must clearly show its resolve to avoid excessive inflation. They also urged faster reduction of monetary support, arguing that the cost of delaying hikes is far from minor.

WuBlockchain’s weekly macro rundown points to a data-heavy week after several U.S. labor indicators for July came in below expectations. Revised figures showed U.S. nonfarm payrolls fell by 23,000 in July, versus expectations for an 80,000 increase, while the prior reading was revised down to a 20,000 gain from 57,000. The unemployment rate came in at 4.1%, below the 4.2% consensus and unchanged prior expectation reference in the report, while initial jobless claims for the week ended Aug. 1 were 199,000 against a 202,000 forecast. ADP employment increased by 44,000 in July, also below the 70,000 estimate. The report also noted comments from New York Fed President John Williams, who said U.S. inflation is expected to continue easing in the second half of this year and next year. For the week ahead, the key items listed were China’s July M2 money supply growth, Unitree’s subscription event, the Bank of Japan’s summary of opinions from its July monetary policy meeting, U.S. July CPI on Aug. 12, and U.S. weekly jobless claims plus July PPI on Aug. 13.

QCP Capital said Bitcoin has bounced from a low near $62,500 earlier this week to trade around $64,000. The more striking aspect is the pressure the market absorbed: Strategy sold 1,638 BTC worth roughly $105 million, and reported losses from the Coldcard security incident have climbed to about $110 million. Neither triggered a sustained breakdown. Options markets stayed calm, with front-end implied volatility near the low end of its recent range and downside skew easing. Macro data points were mixed — US manufacturing strengthened in July while labor indicators softened, with JOLTS job openings falling to 7.36 million and ADP private payrolls adding just 44,000. All eyes are on today's US jobs report. Brent crude pushed back above $83 on Strait of Hormuz uncertainty, and Japan remains a liquidity variable as the BOJ still holds roughly half of outstanding JGBs after joint intervention. QCP's takeaway: resilience is improving, but momentum remains limited. Macro liquidity, energy markets and the timeline for US digital-asset legislation are the core variables to watch.

Former Bank of Japan board member Atsushi Takeuchi said Japan and the United States would “definitely” carry out another joint market intervention if the yen shows signs of renewed weakness, according to Jin10. He said the latest coordinated action by Tokyo and Washington was highly effective, helping shape a market consensus that the yen is unlikely to keep weakening in a one-way move. Takeuchi also said the dollar-yen exchange rate could trade in a range of 155 to 162 in the near term. The remarks point to continued market attention on official policy signals and the response of Japanese authorities if the currency comes under pressure again.