Bitcoin Drops Below $109K as Crypto Markets Shed $170 Billion in 24 Hours

Crypto markets suffered one of their sharpest reversals of 2026 on September 25-26, with Bitcoin falling below $109,000, Ethereum dropping under $4,000, and total market capitalization shedding approximately $170 billion in 24 hours.

The selloff triggered over $1.1 billion in leveraged position liquidations across derivatives markets, with Ether longs leading at more than $400 million wiped out.

What Triggered the Selloff

Analysts describe the downturn as a "post-FOMC hangover." The Federal Reserve's recent rate decision left markets without a clear directional signal, and risk appetite for speculative assets cooled ahead of the US core PCE inflation report.

Bitcoin dropped as low as $108,652 during the week, dipping below its short-term holder realized price of $109,700 for the first time in five months. That metric signals stress among recent buyers — people who purchased BTC in the past few months are now underwater on their positions.

Ethereum mirrored the weakness, falling to its lowest level since early August. Solana dropped below $200 after trading above $250 just two weeks earlier.

Liquidation Cascade

Derivatives markets bore the brunt of the unwind. CoinGlass data reported nearly $1 billion in crypto liquidations over 24 hours, primarily driven by long positions. More than 225,000 traders were liquidated. The largest single liquidation was a $19.3 million ETH-USDT position on HTX.

CryptoQuant analyst JA Maartun estimated that $11.8 billion in leveraged altcoin bets and $3.2 billion in speculative Bitcoin positions have been flushed out, effectively resetting risk appetite across the market.

Crypto Equities Hit Hard

The selloff extended beyond digital assets into crypto-adjacent equities. Michael Saylor's Strategy (MSTR), the largest corporate Bitcoin holder, fell as much as 10% to a five-month low — giving up all of its year-to-date gains. Ether treasury firms Bitmine and Sharplink Gaming dropped 7-8%. Bitcoin miners MARA Holdings and Riot Platforms saw similar declines.

Technical Picture

Bitcoin is approaching support near $107,000, where it bottomed in late August and early September. Order book analysis from Hyblock Capital shows a liquidity cluster at that level that could absorb selling pressure and trigger a bounce.

Ethereum's relative strength index plunged from 82 earlier in September to 14.5 — its most oversold reading since June 2025. Option traders are positioning around the $110,000 zone for Bitcoin, suggesting that a break in either direction could accelerate the move.

What Traders Are Watching

Friday's core PCE price index release — the Fed's preferred inflation gauge — could recalibrate rate-cut expectations and shift risk sentiment. Historically, Q4 has shown bullish seasonality for Bitcoin, but analysts caution that confirmation requires ETF flows to stabilize and BTC to reclaim key resistance levels.

For now, the market is in a fragile equilibrium. Leverage has been flushed, but institutional money through ETFs continues to flow outward. Whether this correction marks a buying opportunity or the beginning of a deeper drawdown depends on macro data and whether spot demand returns at current levels.