OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

OPEN $2.50 Call

OPEN261023C00002500

Latest saved OI15,768Oct 23, 2026
Last change+311vs 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. 15,7687,8840 2026-10-09: 2,648 OI2026-10-13: 5,704 OI2026-10-14: 5,704 OI2026-10-15: 5,870 OI2026-10-16: 8,469 OI2026-10-21: 15,457 OI2026-10-23: 15,768 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, 2026Viewing15,768+311
Oct 21, 202615,457+6,988
Oct 16, 20268,469+2,599
Oct 15, 20265,870+166
Oct 14, 20265,7040
Oct 13, 20265,704+3,056
Oct 09, 20262,648No prior observation