CoinGecko: Crypto market cap fell 12.6% in Q2

The total cryptocurrency market capitalization fell by 12.6% to $2.1 trillion in the second quarter of 2026, CoinGecko reported in its quarterly review. The daily average trading volume contracted for the second consecutive quarter, decreasing by 20.9% from the previous quarter to $93.1 billion. The stablecoin market cap saw its first decline since the third quarter of 2023, shrinking by 1.6% to $305.1 billion. Spot trading volume on centralized exchanges (CEX) dropped 27.9% to $1.95 trillion, with Binance leading the market at a 40% share, followed by Bybit (12%) and Gate.io (11%). Perpetual futures trading volume on CEXs was down 10.0% to $12.7 trillion. Meanwhile, notional trading volume in prediction markets reached an all-time high of $113.8 billion, with Kalshi (58.9%) and Polymarket (30.2%) holding the largest shares.