Bitcoin wilts as Fed rate uncertainty weighs. Kospi plunges 8%

The latest U.S. inflation report pushed markets toward caution. Higher inflation revived fears that the Federal Reserve might raise interest rates in October. That prospect reduced appetite for assets seen as sensitive to economic conditions, including Bitcoin, technology stocks, and broader equities.

Bitcoin fell below $81,000 in early Asian trading. It briefly recovered to about $81,500, then stalled near $81,000 and remained more than 2% lower over 24 hours. Nasdaq futures were down 1% at press time, after the Nasdaq had already declined 2% on Wednesday.

The sharpest move came in South Korea. The KOSPI plunged 8%, triggering circuit breakers. These moves show that inflation concerns affected both digital assets and traditional markets. They also suggest that investors were reducing risk while reassessing the Federal Reserve’s next decision and the outlook for borrowing costs.

The market reaction was large because investors rapidly changed their view of Federal Reserve policy. Bitcoin traded near $80,000 before recovering briefly, while Nasdaq futures fell 1%. South Korea’s KOSPI suffered a much sharper 8% decline and triggered circuit breakers.

Rate-hike expectations moved just as quickly. Polymarket briefly priced an almost 50% chance of an October increase after the CPI report. The probability later eased to about 30%. CME’s FedWatch tool showed odds rising from roughly 22% to almost 47%, then retreating to 26%.

By the time of the report, markets priced more than a 70% chance that the Fed would keep rates unchanged. The conflicting signals show that traders saw the next decision as uncertain. That uncertainty itself weakened liquidity and risk appetite across markets, even as a rate hike became less likely than initially feared.

The Consumer Price Index, or CPI, is a standard measure of how prices paid by consumers change over time. It tracks a broad basket of goods and services. Economists and policymakers use it to judge inflation and assess how quickly prices are rising.

The latest report showed consumer prices increased 3.7% in the 12 months through September. That was higher than August’s 3.4% increase and above economists’ expectations. Core CPI, which excludes food and energy, rose 2.6%, accelerating from 2.4% the previous month.

Those figures mattered because they suggested price pressures were not easing as quickly as investors hoped. The report briefly lifted expectations for an October Federal Reserve rate hike to nearly 50%. Although those odds later declined, the inflation data continued to weigh on Bitcoin, technology stocks, and broader market sentiment.

The Federal Reserve uses economic data, including inflation, when deciding whether borrowing costs should rise or stay unchanged. Hotter-than-expected inflation suggests that price pressures may remain persistent. Traders may therefore expect the Fed to keep policy tighter or raise rates to restrain demand.

In this case, consumer prices rose 3.7% over the year through September, up from 3.4% in August. Core CPI also accelerated, reaching 2.6% from 2.4%. After the report, Polymarket briefly put the chance of an October hike near 50%, while CME odds rose from about 22% to almost 47%.

Those expectations later cooled. CME pricing showed about a 26% chance of a hike, and more than 70% odds of no change. Still, the initial repricing showed how quickly one inflation report can alter views about interest rates, asset valuations, and investor risk appetite.

Spot Bitcoin exchange-traded funds are investment funds whose holdings are tied directly to Bitcoin’s market price through actual Bitcoin holdings. They give investors a regulated, exchange-traded way to obtain Bitcoin exposure without managing the asset themselves. Their flows can provide a visible gauge of demand from larger investors.

On October 14, U.S. spot Bitcoin ETFs recorded $150.5 million in net outflows. That reversed the previous day’s $175.7 million inflow. Net outflows mean more money left the funds than entered them during the period, reducing the immediate buying support associated with new investment.

The article describes institutional demand as fragile. Combined with inflation uncertainty, those outflows may have weakened liquidity and risk appetite. They do not prove that every institution was selling Bitcoin, but they showed that a major source of market demand was not consistently supporting prices during the broader risk-off move.

Liquidity describes how easily assets can be bought or sold without causing large price changes. When interest-rate expectations are uncertain, investors may delay trades, market makers may become more cautious, and risk-taking can weaken. Fewer active participants can make price moves sharper and markets less resilient.

STS Digital said uncertainty surrounding the next Federal Open Market Committee decision was damaging liquidity and dampening risk appetite across asset classes. The article also reported Bitcoin weakness, a 1% fall in Nasdaq futures, and an 8% KOSPI plunge. These moves showed caution affecting both digital and traditional markets.

Investors were weighing hotter inflation, possible energy shocks, fixed-income volatility, and AI valuations. Even though markets priced more than 70% odds of steady rates, the remaining uncertainty still mattered. Traders could continue reducing exposure to Bitcoin and technology stocks until the Fed outlook becomes clearer.

Interest rates affect asset values by changing the cost of borrowing and the return available from alternatives. When rates rise, future cash flows are generally valued less today, and investors may prefer assets offering more predictable returns. Lower rates can have the opposite effect by making borrowing and risk-taking easier.

Bitcoin does not produce scheduled cash flows, so its price depends heavily on demand, liquidity, and investor willingness to hold risk. The article reported fragile institutional demand, including $150.5 million in U.S. spot Bitcoin ETF outflows on October 14. It also linked market uncertainty with weaker liquidity and risk appetite.

That makes cryptocurrencies particularly sensitive to changes in financial conditions. Tighter funding can reduce speculative participation and amplify price declines. The article also noted that energy shocks, fixed-income volatility, and AI valuations were weighing on sentiment, showing that several macro forces can affect digital assets at once.