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Contract OI history

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Oct 23, 2026 EXPIRATION

IBKR $89.00 Put

IBKR261023P00089000

Latest saved OI0Oct 23, 2026
Last change-36vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IBKR $89.00 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. 36180 2026-10-09: 25 OI2026-10-13: 26 OI2026-10-14: 26 OI2026-10-15: 23 OI2026-10-16: 23 OI2026-10-21: 36 OI2026-10-23: 0 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, 2026Viewing0-36
Oct 21, 202636+13
Oct 16, 2026230
Oct 15, 202623-3
Oct 14, 2026260
Oct 13, 202626+1
Oct 09, 202625No prior observation