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Contract OI history

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Nov 13, 2026 EXPIRATION

BTDR $8.50 Put

BTDR261113P00008500

Latest saved OI114Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BTDR $8.50 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. 2981490 2026-10-09: 281 OI2026-10-13: 298 OI2026-10-14: 298 OI2026-10-15: 298 OI2026-10-16: 103 OI2026-10-21: 114 OI2026-10-23: 114 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, 2026Viewing1140
Oct 21, 2026114+11
Oct 16, 2026103-195
Oct 15, 20262980
Oct 14, 20262980
Oct 13, 2026298+17
Oct 09, 2026281No prior observation