EUR/JPY Drop Sparks Warning Signs for Crypto Traders Amid Fed Plumbing

Arthur Hayes has set off another market alarm for crypto traders. He claims that the EUR/JPY currency pair's recent fall is a warning sign, but the Federal Reserve's plumbing still shows no signs of stress.

Hayes argues that if the EUR/JPY falls to 140 or below by June 2027, it will herald a much larger increase in dollar liquidity. However, the current reading is still 29.4% above this threshold.

The European Central Bank's reference rate has fallen from 185.63 yen per euro on Sept. 1 to 181.21 on Sept. 3, a 2.38% drop. Hayes believes that this is part of a larger sequence that includes French sovereign and bank funding, foreign central bank dollar borrowing at the Fed, and Fed purchases of Treasury securities.

Hayes's proposed chain has four links: a falling EUR/JPY would warn that French banks were nearing stress in sovereign and dollar repo markets. He then looks to two different Fed tools: the FIMA repo facility and Reserve-management purchases (RMPs). These channels, he claims, would expand the supply of dollars and ultimately support risk assets.

Hayes has kept a structural Bitcoin long and reiterated a $10,000 Ether target for the end of 2026. However, these positions depend on the proposed mechanism and provide no confirmation that it has started.