BTC options positioning tells a different story across October expiries. October 16 has $1.28B in open interest, with a put/call ratio of 1.44 and puts concentrated around $76K to $80K. October 30 carries $11.7B in open interest, with calls outnumbering puts by more than 2:1 and notable concentrations at $90K, $95K and $100K. A considerably larger, more call heavy monthly book sits beyond this week’s expiry.