OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

HE $10.00 Put

HE261218P00010000

Latest saved OI467Oct 21, 2026
Last change+2vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HE $10.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-21. Exact values and changes are listed in the table below. 4672330 2026-10-02: 463 OI2026-10-05: 463 OI2026-10-06: 463 OI2026-10-07: 465 OI2026-10-08: 464 OI2026-10-09: 466 OI2026-10-13: 466 OI2026-10-14: 466 OI2026-10-16: 465 OI2026-10-21: 467 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, 2026Viewing467+2
Oct 16, 2026465-1
Oct 14, 20264660
Oct 13, 20264660
Oct 09, 2026466+2
Oct 08, 2026464-1
Oct 07, 2026465+2
Oct 06, 20264630
Oct 05, 20264630
Oct 02, 2026463No prior observation