The US Treasury Department is considering using part of its $1 trillion cash balance in the $13 trillion repurchase agreement market, a move that could reshape funding markets. The idea, tested before the financial crisis, aims to smooth out funding market volatility and support the US Federal Reserve's balance sheet reduction efforts. While some see benefits, others cite operational challenges that could limit its effectiveness.

Japan confirmed a rare joint yen-buying intervention with the US Treasury after the currency slid toward 40-year lows, signaling officials are prepared to act again against disorderly moves. The dollar eased to about ¥157 after the announcement, while BOJ rate-hike signals and broader regional currency support pointed to a coordinated effort to stabilize FX markets.

The European Central Bank's latest reverse stress test on geopolitical risks has found that while banks generally maintain liquidity above regulatory requirements, some banks have weaknesses in stress testing, particularly in scenarios involving significant capital decline. "Solvency stress and liquidity stress are often strongly interrelated in crisis situations," the ECB said. "The reverse stress test revealed that solvency-liquidity interactions generally are not well-captured in many banks' stress-testing frameworks."

India's central bank is expected to keep rates on hold this week even as many global peers pivot toward hikes, with inflation still within the RBI's tolerance band and recent measures drawing nearly $40 billion in inflows, according to a Reuters poll. Markets are nevertheless pricing about 75 basis points of tightening over the next year as higher oil prices, rupee pressure and rising inflation expectations test the central bank's room to stand pat.

The UK Financial Conduct Authority believes London trading volumes may be up to three times higher than official exchange data suggests once dark trading through banks and private venues is included. The findings could help counter concerns about the City's market depth as London works to retain listings and attract investment, though transparency plans, such as a consolidated tape, remain contested.

Chinese government bond futures have begun trading in Hong Kong, giving offshore investors a new hedging tool as Beijing seeks to deepen foreign participation in its debt market and support yuan internationalization. The cash-settled five-year contract opened close to its onshore counterpart, with regulators expected to consider additional maturities if liquidity and trading stability build.

Emerging markets faced significant challenges in July following volatility driven by artificial intelligence investments and a surge in oil prices. The MSCI Emerging Markets Index saw sharp swings, particularly in South Korean and Taiwanese stocks, as skepticism about the sustainability of AI investments grew. Additionally, rising oil prices due to Middle East tensions and the prospect of higher US interest rates have created an "ugly backdrop" for emerging markets, according to Roger Mark of Ninety One Asset Management.

Perpetual futures remove the need to roll expiring contracts, but their growing use beyond crypto is raising market-structure and regulatory concerns. Vishal Gupta warns that strong governance will be critical as perps expand, especially after CME's legal challenge to the CFTC put their US status and oversight framework under scrutiny.

The Bank of England's proposal to make more leverage capital buffers releasable in a crisis is drawing skepticism from critics who question whether banks would actually use the freed-up capacity. The plan aims to keep lending and investment flowing under stress, but concerns over market stigma, regulatory uncertainty and practical execution could limit its effectiveness.

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