According to Crypto Rover, $2.25 billion in Bitcoin and Ethereum options are set to expire today, indicating potential market volatility. Traders should prepare for possible price swings as the expiration could lead to increased trading activity and market movement. Historical trends suggest that large options expirations often result in significant price fluctuations due to shifts in market positions (source: Crypto Rover). It is crucial for investors to closely monitor the market and adjust strategies accordingly.