OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

EDIT $2.50 Call

EDIT261120C00002500

Latest saved OI2,660Oct 23, 2026
Last change+1,969vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
EDIT $2.50 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2,6601,3300 2026-10-08: 598 OI2026-10-09: 598 OI2026-10-13: 607 OI2026-10-14: 607 OI2026-10-16: 614 OI2026-10-20: 691 OI2026-10-23: 2,660 OI Oct 08, 2026Oct 23, 2026

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

EDIT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,660+1,969
Oct 20, 2026691+77
Oct 16, 2026614+7
Oct 14, 20266070
Oct 13, 2026607+9
Oct 09, 20265980
Oct 08, 2026598No prior observation