OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

OPEN $5.50 Call

OPEN1270115C00005500

Latest saved OI4,558Oct 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 $5.50 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. 4,5642,2820 2026-10-09: 4,564 OI2026-10-13: 4,564 OI2026-10-14: 4,564 OI2026-10-15: 4,558 OI2026-10-16: 4,558 OI2026-10-21: 4,558 OI2026-10-23: 4,558 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, 2026Viewing4,5580
Oct 21, 20264,5580
Oct 16, 20264,5580
Oct 15, 20264,558-6
Oct 14, 20264,5640
Oct 13, 20264,5640
Oct 09, 20264,564No prior observation