CoinDesk
Bitcoin's 52-week rolling correlation with USD/JPY has reached -0.90, the most negative reading since late 2022 and a level that puts roughly 81% of weekly variation in BTC/USD statistically explained by moves in the dollar-yen pair, according to TradingView data on Coinbase's BTC/USD feed.
A coefficient of that magnitude is rare. Correlations between BTC and major FX pairs typically drift between -0.3 and +0.3 depending on the window. The current reading means BTC and the yen have been moving in lockstep against the dollar, both strengthening together or both weakening together, which cuts directly against the prevailing yen carry-trade framework.
Why it matters
Under the carry-trade narrative that has dominated for at least a decade, traders borrow cheaply in yen and rotate into higher-yielding risk assets, so a weak yen is supposed to lift BTC and a strengthening yen is supposed to trigger risk-off moves. That script played out almost mechanically in late July and early August 2024, when the Bank of Japan's rate hike sent the yen sharply higher and BTC fell from roughly $65,000 to $50,000 over the following weeks. With the yen now sliding to four-decade lows and BOJ intervention back in market conversation, the carry-unwind thesis has reasserted itself. A -0.90 correlation undermines that read: if it holds, BOJ action that lifts the yen would actually put a floor under BTC rather than crush it.
Market impact
The relationship is more likely a mirage than a mechanism. Neither BTC nor the yen is probably driving the other directly. Broad dollar strength, the product of markets now pricing in at least one 25-basis-point Fed hike this year after earlier cut expectations, has lifted USD against the euro, the Australian and New Zealand dollars, gold and silver over the same stretch. BTC and the yen are simply catching the same dollar tide from opposite sides. Traders reading the -0.90 print as a tradeable signal should weigh that caveat carefully: a correlation built on a shared third variable can flip fast if the Fed path or BOJ policy shifts the underlying driver.
Frequently asked questions
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What does a -0.90 correlation between Bitcoin and USD/JPY actually mean?
It means BTC/USD has tended to fall when USD/JPY rises and vice versa. Squared, the coefficient gives an R2 of about 0.81, so roughly 81% of weekly BTC/USD variation is statistically explained by dollar-yen moves over the 52-week window, per TradingView data.
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Why does this undercut the yen carry-trade narrative?
The carry-trade framework says a weak yen supports risk assets and a strong yen triggers sell-offs, the pattern that played out when the BOJ hiked in late July 2024 and BTC fell from about $65,000 to $50,000. A -0.90 correlation implies the opposite: a stronger yen would actually put a floor under BTC.
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Is Bitcoin actually being driven by the yen?
Probably not directly. Broad US dollar strength, the product of markets repricing hawkishly on the Fed, has lifted USD against the euro, the aussie and kiwi dollars, gold and silver over the same stretch. BTC and the yen are more likely catching the same dollar tide from opposite sides.
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How unusual is a -0.90 correlation between BTC and a major FX pair?
Very unusual. BTC correlations with major FX pairs typically drift between -0.3 and +0.3 depending on the rolling window. The current -0.90 reading is the most negative since late 2022 and stands well outside the normal range.
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What would invalidate the -0.90 correlation reading as a tradeable signal?
A shift in the underlying driver. If the Fed pivots back to cuts, dollar strength fades, or the BOJ intervenes aggressively to lift the yen, the shared third variable breaks down and the tight BTC-USD/JPY relationship can unwind quickly.
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