Learn how option expiries in Bitcoin and Ether derivatives markets can cause price swings that catch inexperienced traders off guard. Options expiry creates volatility as traders lock profits, cut losses and reposition around large BTC and ETH contracts. Put-call ratios signal sentiment: Above 1 shows a bearish outlook, while below 1 points to bullish expectations. Max Pain theory suggests expiry prices gravitate to where the most contracts expire worthless, amplifying potential manipulation risks.Understanding expiry helps traders track key metrics, anticipate volatility and manage risk more effectively during these periods. Read more