Arthur Hayes theorizes the Fed will print money to stabilize Japanese bond markets, expanding its balance sheet and mechanically lifting bitcoin. Crypto traders should await confirmation via the Fed's H.4.1 report before adding risk.

Arthur Hayes, co‑founder and former CEO of BitMEX, has published a macro thesis arguing that stress in Japan’s currency and government bond markets could force the U.S. Federal Reserve to quietly expand its balance sheet in a way that ultimately benefits bitcoin. He contends that if Japanese government bond (JGB) yields continue to rise and the yen weakens, Japanese authorities will effectively need U.S. support, leading the Fed to create new dollar reserves, swap them for yen via major banks, and then use those yen to buy JGBs and cap yields. This operation, he says, would show up as an increase in the Fed’s “Foreign Currency Denominated Assets” line on the weekly H.4.1 balance sheet report, amounting to indirect money printing that has historically correlated with bitcoin price appreciation. Hayes frames the situation as a “dual crisis” in Japan—simultaneously a weakening yen and rising JGB yields—that could push Japanese investors to sell U.S. Treasuries to rotate into higher‑yielding domestic bonds, thereby pressuring U.S. markets and incentivizing the Fed to step in. In his view, a Fed backstop for Japan would expand global dollar liquidity and, based on past cycles where bitcoin has tended to rise alongside an expanding Fed balance sheet, “mechanically” lift bitcoin and other risk assets over time. However, he emphasizes that this is a hypothetical path: he has reportedly reduced or closed leveraged crypto proxy positions and says crypto traders should wait for actual week‑over‑week increases in the H.4.1 foreign currency assets line before “adding risk,” rather than front‑running a policy move that may not materialize or could take longer than markets expect.

✨ AI-generated background, compiled from web sources — not editorial content.

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