OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

HE $22.50 Call

HE280121C00022500

Latest saved OI1,035Oct 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 $22.50 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. 1,0355170 2026-10-02: 1,034 OI2026-10-05: 1,034 OI2026-10-06: 1,034 OI2026-10-07: 1,034 OI2026-10-08: 1,034 OI2026-10-09: 1,034 OI2026-10-13: 1,035 OI2026-10-14: 1,035 OI2026-10-16: 1,035 OI2026-10-21: 1,035 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, 2026Viewing1,0350
Oct 16, 20261,0350
Oct 14, 20261,0350
Oct 13, 20261,035+1
Oct 09, 20261,0340
Oct 08, 20261,0340
Oct 07, 20261,0340
Oct 06, 20261,0340
Oct 05, 20261,0340
Oct 02, 20261,034No prior observation