OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

HE $25.00 Call

HE280121C00025000

Latest saved OI416Oct 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 $25.00 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. 4462230 2026-10-02: 446 OI2026-10-05: 446 OI2026-10-06: 446 OI2026-10-07: 446 OI2026-10-08: 396 OI2026-10-09: 396 OI2026-10-13: 396 OI2026-10-14: 416 OI2026-10-16: 416 OI2026-10-21: 416 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, 2026Viewing4160
Oct 16, 20264160
Oct 14, 2026416+20
Oct 13, 20263960
Oct 09, 20263960
Oct 08, 2026396-50
Oct 07, 20264460
Oct 06, 20264460
Oct 05, 20264460
Oct 02, 2026446No prior observation