According to Coinglass data, the open interest of Bitcoin options has reached a new historical high of about $20 billion, indicating an increase in liquidity and market participants. Within the past 24 hours, the majority of options traded were call options, with 60% being call options and only 40% being put options. Call options give traders the right, but not the obligation, to buy the underlying asset at a set price before the expiration date. It is generally believed that traders who buy call options are bullish on the underlying asset, while put option buyers are bearish.