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Contract OI history

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Dec 18, 2026 EXPIRATION

IBKR $90.00 Put

IBKR261218P00090000

Latest saved OI1,278Oct 23, 2026
Last change-26vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IBKR $90.00 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. 1,3246620 2026-10-09: 1,314 OI2026-10-13: 1,313 OI2026-10-14: 1,313 OI2026-10-15: 1,320 OI2026-10-16: 1,324 OI2026-10-21: 1,304 OI2026-10-23: 1,278 OI Oct 09, 2026Oct 23, 2026

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

IBKR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,278-26
Oct 21, 20261,304-20
Oct 16, 20261,324+4
Oct 15, 20261,320+7
Oct 14, 20261,3130
Oct 13, 20261,313-1
Oct 09, 20261,314No prior observation