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Contract OI history

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Dec 18, 2026 EXPIRATION

BTDR $12.50 Put

BTDR261218P00012500

Latest saved OI3,579Oct 23, 2026
Last change+30vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BTDR $12.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3,5791,7890 2026-10-09: 259 OI2026-10-13: 259 OI2026-10-14: 259 OI2026-10-15: 257 OI2026-10-16: 257 OI2026-10-21: 3,549 OI2026-10-23: 3,579 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BTDR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,579+30
Oct 21, 20263,549+3,292
Oct 16, 20262570
Oct 15, 2026257-2
Oct 14, 20262590
Oct 13, 20262590
Oct 09, 2026259No prior observation