Bitcoin faces a three-way macro test near $78,000 as yen weakness, Fed rate expectations, and a U.S. strike on Iran converge.
Bitcoin faces a three-way macro test near $78,000 as yen weakness, Fed rate expectations, and a U.S. strike on Iran converge.

Bitcoin faces a three-way macro test near $78,000 as yen weakness, Fed rate expectations, and a U.S. strike on Iran converge.
Bitcoin traded at $78,500 as the yen breached 160 per dollar, Fed rate-hike odds climbed to 58 percent, and U.S. forces struck Iran's Larak Island.
"The next Fed meeting is a lean hike not a done deal," Jim Bianco, founder of Bianco Research, said on X.
Fed funds futures put the probability of a September rate increase at 58 percent, well below the 90 percent threshold that typically signals a done deal. Fed Chair Kevin Warsh said Friday at Jackson Hole that PCE inflation at 3.7 percent remains "concerning" relative to the central bank's 2 percent target. Bitcoin ETFs recorded $201.8 million in outflows Friday, ending a nine-day inflow streak, as the repricing pulled institutional money from the funds.
The convergence of yen weakness, rate expectations, and Gulf tensions places Bitcoin at a critical technical juncture. A breakdown below $78,000 could trigger forced selling, while resilience above that level would reinforce the bullish case following August's 23 percent rally.
The Yen and the Fed's Rate Calculus
The yen's slide past 160 per dollar in Tokyo trading marks a threshold that previously triggered joint U.S.-Japan intervention. Treasury Secretary Scott Bessent said Sunday the moves had been "contained" and did not warrant coordinated action, but he had warned Friday that a disorderly yen market could feed through to higher U.S. interest rates. That link places Tokyo's currency market alongside Wall Street's rate expectations and crypto-market positioning.
Warsh's hawkish remarks at Jackson Hole lifted the dollar and Treasury yields, pressuring risk assets across the board. The benchmark borrowing cost currently sits in a range of 3.5 percent to 3.75 percent. Robin Brooks, senior fellow at the Brookings Institution, argued a September hike would be "performative," aimed at anchoring the 10-year yield and reinforcing the Fed's inflation-fighting credibility rather than delivering outright tightening.
ETF Flows and the $78,000 Line
Spot Bitcoin ETFs recorded $201.8 million in outflows Friday, ending a nine-day inflow streak that had seen $242.3 million enter the funds on Aug. 27 alone. The Coinbase Premium — the price gap between Coinbase and other major exchanges — had turned positive for the first time since May, suggesting U.S. institutional demand was firming before Warsh's speech reset expectations.
The wider crypto market showed mixed performance. Solana and Dogecoin fell roughly 3 percent on the day, while Ether, BNB, Zcash, and Tron were within 2 percent of flat. On a weekly basis, Solana was up about 8 percent while Dogecoin was down 10 percent.
The U.S. strike on Iran's Larak Island added another macro risk alongside yen weakness and higher rate expectations. Oil moved higher and stocks lower after the U.S. action, while Bitcoin showed a comparatively muted response — its daily loss remained under 1 percent. For Bitcoin and gold, the path of least resistance remains to the upside if the September hike proves to be a one-off credibility move rather than the start of a tightening cycle, as Brooks and others suggest.
This article is for informational purposes only and does not constitute investment advice.