OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

IBKR $88.00 Put

IBKR261030P00088000

Latest saved OI132Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IBKR $88.00 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. 2181090 2026-10-09: 212 OI2026-10-13: 215 OI2026-10-14: 218 OI2026-10-15: 140 OI2026-10-16: 135 OI2026-10-21: 134 OI2026-10-23: 132 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, 2026Viewing132-2
Oct 21, 2026134-1
Oct 16, 2026135-5
Oct 15, 2026140-78
Oct 14, 2026218+3
Oct 13, 2026215+3
Oct 09, 2026212No prior observation