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Contract OI history

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Dec 18, 2026 EXPIRATION

BTDR $9.00 Put

BTDR261218P00009000

Latest saved OI1,167Oct 23, 2026
Last change-7vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BTDR $9.00 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. 1,1745870 2026-10-09: 1,068 OI2026-10-13: 1,068 OI2026-10-14: 1,087 OI2026-10-15: 1,136 OI2026-10-16: 1,140 OI2026-10-21: 1,174 OI2026-10-23: 1,167 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, 2026Viewing1,167-7
Oct 21, 20261,174+34
Oct 16, 20261,140+4
Oct 15, 20261,136+49
Oct 14, 20261,087+19
Oct 13, 20261,0680
Oct 09, 20261,068No prior observation