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Contract OI history

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Nov 20, 2026 EXPIRATION

IBKR $90.00 Put

IBKR261120P00090000

Latest saved OI473Oct 23, 2026
Last change+1vs 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. 4732360 2026-10-09: 298 OI2026-10-13: 312 OI2026-10-14: 313 OI2026-10-15: 308 OI2026-10-16: 466 OI2026-10-21: 472 OI2026-10-23: 473 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, 2026Viewing473+1
Oct 21, 2026472+6
Oct 16, 2026466+158
Oct 15, 2026308-5
Oct 14, 2026313+1
Oct 13, 2026312+14
Oct 09, 2026298No prior observation