OITracker Cboe delayed data

Contract OI history

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Nov 27, 2026 EXPIRATION

OPEN $2.50 Call

OPEN261127C00002500

Latest saved OI431Oct 23, 2026
Last change+147vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OPEN $2.50 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. 4312150 2026-10-09: 1 OI2026-10-13: 166 OI2026-10-14: 166 OI2026-10-15: 201 OI2026-10-16: 267 OI2026-10-21: 284 OI2026-10-23: 431 OI Oct 09, 2026Oct 23, 2026

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

OPEN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing431+147
Oct 21, 2026284+17
Oct 16, 2026267+66
Oct 15, 2026201+35
Oct 14, 20261660
Oct 13, 2026166+165
Oct 09, 20261No prior observation