Bitcoin rallied toward $65,000 after the June CPI report came in cooler than expected, triggering a dramatic repricing of Fed policy expectations. Implied probability of another rate hike collapsed from 43% to 13% in a single session, marking one of the sharpest single-day shifts in Fed Funds futures in recent memory. The move underscores how tightly crypto has re-coupled with macro rate sentiment in this cycle.

The direct transmission mechanism is straightforward: lower rate-hike odds weaken the dollar, compress real yields, and reduce the opportunity cost of holding non-yielding assets like Bitcoin. Historically, BTC has outperformed in the months preceding Fed pivot cycles, and the market is now pricing September as the first potential cut window — a multi-week runway for positioning.

The bull case rests on the macro tailwind combining with Bitcoin's own supply-side dynamics — the April 2024 halving reduced new issuance, and spot ETF inflows have remained constructive. If September FOMC guidance turns explicitly dovish, a retest of the prior all-time highs around $73,700 is within the range of discussed targets.

The bear case is that the June CPI surprise may not be durable — services inflation and shelter costs remain sticky — and one soft print is unlikely to fully cement a September cut. A hotter July CPI or a hawkish Fed speaker could quickly reverse these repricing flows and leave BTC vulnerable to a mean-reversion pullback from elevated levels.

Key watchpoints: July CPI release, Fed speaker commentary in the coming weeks, and any shift in September FOMC pricing via CME FedWatch. A failure to hold the $62,000–$63,000 support zone would signal the macro tailwind is fading faster than bulls expect.