OITracker Cboe delayed data

Contract OI history

Back to OPEN

Oct 23, 2026 EXPIRATION

OPEN $3.50 Call

OPEN261023C00003500

Latest saved OI3,110Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OPEN $3.50 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. 3,1101,5550 2026-10-09: 2,474 OI2026-10-13: 2,474 OI2026-10-14: 2,474 OI2026-10-15: 2,474 OI2026-10-16: 3,083 OI2026-10-21: 3,110 OI2026-10-23: 3,110 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, 2026Viewing3,1100
Oct 21, 20263,110+27
Oct 16, 20263,083+609
Oct 15, 20262,4740
Oct 14, 20262,4740
Oct 13, 20262,4740
Oct 09, 20262,474No prior observation