Bitcoin falls below 81,000 dollars as hot inflation revives Fed rate hike fears and Asian stocks slide

What happened

Bitcoin fell below 81,000 dollars on Thursday as a hotter than expected United States inflation report revived the possibility that the Federal Reserve could raise interest rates at its October meeting, a prospect markets had largely set aside before the data arrived. CoinDesk data put bitcoin at 81,211.60 dollars in its market report, down about 1 percent since midnight UTC and down more than 2 percent over 24 hours. Prices dipped close to 80,000 dollars in early Asian trading before briefly rebounding to about 81,500 dollars, but that recovery stalled near 81,000 dollars, leaving the largest cryptocurrency below the 81,000 to 84,000 dollar range that had contained it in the previous session.

The selling was not confined to bitcoin. Ether changed hands at 2,379.69 dollars in the same report, and ether, XRP and Solana fell between 3.5 percent and 4 percent. PYTH was the only token in the top 100 still up more than 7 percent, which tells its own story about breadth: this was a broad retreat with one exception, not a rotation into smaller names. Traditional markets moved the same way. Nasdaq futures were down 1 percent at the time of the report, extending a 2 percent decline on Wednesday, and South Korea's KOSPI index plunged 8 percent and triggered circuit breakers, the trading halts that interrupt a session when losses pass preset thresholds.

The trigger was the consumer price index released on Wednesday. Consumer prices rose 3.7 percent in the 12 months through September, up from 3.4 percent in August and above what economists had expected. Core inflation, which excludes food and energy, climbed 2.6 percent, accelerating from 2.4 percent the previous month. The previous day's package on this site recorded that economists polled ahead of the release had estimated 3.6 percent for the headline figure, so the print came in hot on both the headline and the core measure, and it is the last inflation reading before the Federal Reserve decision scheduled for October 28.

Markets repriced the odds of a rate increase quickly, and then partly repriced them back. On the prediction platform Polymarket, the probability of an October rate hike briefly spiked to nearly 50 percent after the release before easing to about 30 percent. The CME FedWatch tool, which infers expectations from interest rate futures, showed a similar pattern: the odds initially jumped to almost 47 percent from roughly 22 percent, before retreating to 26 percent at the time CoinDesk published. A hold remains the priced base case, with more than 70 percent probability of an unchanged decision in the Fed funds futures market, but a hike moved from remote to plausible in a single session.

Institutional demand offered no cushion. CoinDesk reported that demand through United States spot bitcoin ETFs remained fragile, with outflows resuming on October 14 and reversing the previous day's inflow. A market making firm told CoinDesk that the uncertainty around the meeting could weigh on liquidity and dampen risk appetite across asset classes, while also saying it still expected the Fed to hold rates steady this month. Separately, a regional Federal Reserve president told Reuters that further rate increases were likely needed to bring inflation under control, but that there was no urgency to act this month, a combination that left the direction of policy argued in both directions at once.

Why it matters

Yesterday this desk described a market that had de-risked in front of the inflation print: futures volume down, open interest down, liquidations down by more than four fifths. Thursday showed what that positioning was for. When the number came in hot, there was less crowded leverage to unwind, and bitcoin's fall, while sharp enough to break the bottom of its range and approach 80,000 dollars, was an orderly repricing rather than a liquidation cascade in the CoinDesk account. The distinction matters for what comes next. A market that falls because participants are revaluing the path of interest rates can stabilize when the repricing finishes. A market that falls because forced sellers are being liquidated tends to keep falling until the leverage is gone.

The deeper point is how completely the macro calendar now sets crypto's agenda. Nothing in the inflation report concerned a blockchain, a protocol or an exchange. It measured United States consumer prices, with energy a major driver, and within hours it had moved bitcoin out of a range it had defended for days, cut 3.5 to 4 percent from the other large tokens, halted trading in Seoul and put a one in four to one in three probability on a Federal Reserve rate increase that almost nobody had priced the day before. Assets that trade around the clock and settle in minutes are, on days like this, simply the fastest available expression of a view about United States monetary policy.

The KOSPI move deserves attention beyond its size. An 8 percent fall that triggers circuit breakers in one of the world's deepest retail crypto markets is not just an equity story. South Korea is the same market where regulators this week blocked the websites of 27 unregistered exchanges, a story covered in yesterday's package. Korean traders facing a collapsing domestic stock market, a blocked set of offshore venues and a falling bitcoin price at the same time are the human intersection of three separate stories in this week's news, and the flows that follow will show up in exchange data over the coming days.

Finally, the round trip in the hike odds is information in itself. A probability that can travel from 22 percent to almost 50 percent and back to 26 percent within a day is not a forecast. It is a measure of how little conviction the market holds about what the Fed does on October 28, and it means the meeting itself, rather than the data leading to it, is now the binary event. Every speaker, every regional president's remark and every secondary data release between now and then will be traded as if it were the decision.

What to watch

Watch the 80,000 dollar level. Bitcoin approached it in early Asian trading and recovered. A sustained break below a round number that buyers have just defended tends to change behaviour on both sides, while another successful defence would suggest the repricing is complete for now.

Watch the hike odds as October 28 approaches. The CME FedWatch and prediction market figures moved violently on the inflation print and then settled near one in four to one in three. If they climb again on Fed communication, risk assets will feel it before the meeting happens. If they fade back toward where they started, Thursday will read as a scare rather than a shift.

Watch whether the ETF outflows persist. One day of resumed outflows after an inflow day is noise. Several consecutive sessions would confirm the fragile institutional demand CoinDesk described, and would remove the buyer that has absorbed selling in previous drawdowns this autumn.

And watch Asia. Whether the KOSPI stabilizes after a circuit breaker session, and whether Korean trading volumes in crypto rise or fall alongside it, will show whether Thursday was a global risk event that happened to include crypto, or the start of a regional withdrawal from risk altogether.