OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

HE $12.50 Call

HE270115C00012500

Latest saved OI3,439Oct 21, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HE $12.50 call open interest history 10 saved observations from 2026-10-02 to 2026-10-21. Exact values and changes are listed in the table below. 3,4391,7190 2026-10-02: 3,429 OI2026-10-05: 3,429 OI2026-10-06: 3,429 OI2026-10-07: 3,439 OI2026-10-08: 3,439 OI2026-10-09: 3,439 OI2026-10-13: 3,439 OI2026-10-14: 3,439 OI2026-10-16: 3,439 OI2026-10-21: 3,439 OI Oct 02, 2026Oct 21, 2026

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

HE contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing3,4390
Oct 16, 20263,4390
Oct 14, 20263,4390
Oct 13, 20263,4390
Oct 09, 20263,4390
Oct 08, 20263,4390
Oct 07, 20263,439+10
Oct 06, 20263,4290
Oct 05, 20263,4290
Oct 02, 20263,429No prior observation