OITracker Cboe delayed data

Contract OI history

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Nov 13, 2026 EXPIRATION

HAL $35.00 Put

HAL261113P00035000

Latest saved OI379Oct 23, 2026
Last change+11vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $35.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3791890 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 164 OI2026-10-07: 164 OI2026-10-08: 164 OI2026-10-09: 167 OI2026-10-13: 168 OI2026-10-14: 368 OI2026-10-15: 368 OI2026-10-16: 368 OI2026-10-21: 368 OI2026-10-23: 379 OI Oct 02, 2026Oct 23, 2026

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

HAL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing379+11
Oct 21, 20263680
Oct 16, 20263680
Oct 15, 20263680
Oct 14, 2026368+200
Oct 13, 2026168+1
Oct 09, 2026167+3
Oct 08, 20261640
Oct 07, 20261640
Oct 06, 2026164+164
Oct 05, 202600
Oct 02, 20260No prior observation