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The US is helping you pump the market? Don't get your hopes up—you’re not buying BTC, you’re buying someone else’s liquidation order. On July 30, the yen surged straight from 163.98 to 157.98 against the dollar, a single-day jump of 3.3%, the largest in nearly three years. Japan dumped ¥8.45 trillion (about $52.8 billion). Record-breaking? Not quite. The US also stepped in. The New York Fed, representing the Treasury, directly bought yen—marking the first joint US-Japan direct intervention in nearly 30 years. Treasury Secretary Yellen’s meeting notes were caught by a Reuters photographer—"Buy yen, $5 billion to $10 billion." And then? The entire crypto market plunged. Over 90,000 liquidations in the past 24 hours. Bitcoin dropped 2.9%. Shouldn’t it have risen? Geopolitical risks eased, the dollar weakened, liquidity loosened—the script was perfect, so why the losses? Because you overlooked one thing: who was the first to buy when the yen surged? In recent years, global investors have done one thing—borrow yen to buy everything. Japan’s interest rate is 1%, the US rate is 3.5%-3.75%, a spread of 275 basis points. Borrowing yen is almost costless, then converting to dollars to buy US Treasuries, US stocks, and Bitcoin. This game is called yen carry trade. The cheaper the yen, the sweeter the carry. The weaker the yen, the higher the leverage. In recent months, the yen hit a 40-year low, and the carry trade reached its ceiling. Now? The yen surged 3.3% in one day. The borrowed yen suddenly became expensive. Leveraged carry traders have only one choice—liquidate. Sell assets to buy back yen and repay debt. Sell what? US Treasuries, US stocks, Bitcoin. The market is pricing in an optimistic scenario of "successful intervention and yen stabilization." But what you’re not pricing in is the bloody scenario of "carry trade liquidation stampede." In August 2024, a mild rate hike by the Bank of Japan triggered partial liquidation of carry trades, causing BTC to plummet. How much did the yen rise then? Less than 2%. This time? 3.3%, and still rising. Historical data shows that after each BOJ rate hike, Bitcoin’s average drawdown is about 27%. This time it’s not a rate hike—it’s direct money dumping intervention combined with US cooperation. Stronger force, harsher impact. You think with the yen rising and the dollar weakening, BTC should rise. But BTC’s short-term price never depends on what "should" happen, but on "who is forced to sell." The $52.8 billion intervention money went into the forex market, not your crypto market. And those funds that borrowed yen to buy BTC are selling BTC back to the market to buy yen. You’re waiting for a pump, others are liquidating. How big is the yen carry trade? No one can say for sure. But one thing is certain—it’s much larger than the market currently prices. Japan already intervened with ¥11.73 trillion (about $73 billion) from April to May, and the effect lasted only a few weeks. This time ¥8.45 trillion plus US cooperation—how long can it last? Intervention can treat symptoms, not the root cause. The US-Japan interest rate spread of 275 basis points remains; the fundamental logic for yen depreciation hasn’t changed. But the short-term shock is real—every 1% yen rise forces countless carry trades to liquidate. Each liquidation dumps a batch of BTC onto the market. Trading advice Watch USD/JPY closely. If the rate holds below 157—the carry liquidation wave may just be starting. If it rebounds above 160—that means intervention effects are fading, the yen weakens again, and carry trades will return. Neither scenario is a reason to blindly bottom-fish. $BTC $ETH $XAU #日元干预战升级，美方准备介入