OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

IBKR $85.00 Call

IBKR270319C00085000

Latest saved OI286Oct 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 $85.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2871430 2026-10-09: 270 OI2026-10-13: 286 OI2026-10-14: 277 OI2026-10-15: 268 OI2026-10-16: 272 OI2026-10-21: 287 OI2026-10-23: 286 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, 2026Viewing286-1
Oct 21, 2026287+15
Oct 16, 2026272+4
Oct 15, 2026268-9
Oct 14, 2026277-9
Oct 13, 2026286+16
Oct 09, 2026270No prior observation