Bitcoin options OI reaches $38.5 billion as $90,000 call leads volume

Bitcoin options open interest increased 0.93% to $38.5 billion, with calls accounting for 59.48%. A $90,000 Deribit call expiring Dec. 25 led 24-hour volume, indicating bullish bets on a year-end rally. The rise in OI reflects growing trader activity in the options market.