Deribit, long the undisputed leader in cryptocurrency options, is seeing its grip loosen. In the first half of 2026, the exchange handled $425.9 billion in volume, giving it a 49.3% share of the combined Bitcoin and Ethereum options market, according to CoinGlass data. Yet the headline number masks a clear trend: Deribit’s monthly share plummeted from 56.3% in January to 41.8% in June, a drop of 14 percentage points in just six months.
Bybit has been the main beneficiary. The platform ended the half-year with a 22.3% overall volume share, securing second place. More striking is its dominance in Ether options, where it captured 38% of volume versus Deribit’s 29%. This reversal is significant because ETH options often attract DeFi-native traders and reflect sentiment around layer‑2 developments. The shift suggests trader loyalty is no longer anchored to a single venue.
The total options market for BTC and ETH hit $864.6 billion across the top five exchanges. While Deribit remains the overall leader, its historical advantages—early liquidity, portfolio margining, and institutional connectivity—are being replicated by rivals. Bybit’s investments in matching-engine latency, unified margin accounts, and aggressive fee promotions have narrowed the gap. The competitive pressure comes as the regulatory landscape for derivatives intensifies, with the US Senate preparing to vote on a landmark crypto bill that could reshape offshore venue access.
If Bybit sustains its ETH options lead during the typically active third quarter, the perception of Deribit as the de facto options exchange may erode faster. Still, with the overall pie growing, absolute volumes can rise even as shares shift. The battle for options supremacy is far from over.