OITracker Cboe delayed data

Contract OI history

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Jun 17, 2027 EXPIRATION

HAL $35.00 Put

HAL270617P00035000

Latest saved OI866Oct 23, 2026
Last change0vs 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. 1,2386190 2026-10-02: 1,238 OI2026-10-05: 1,238 OI2026-10-06: 866 OI2026-10-07: 866 OI2026-10-08: 866 OI2026-10-09: 866 OI2026-10-13: 866 OI2026-10-14: 866 OI2026-10-15: 866 OI2026-10-16: 866 OI2026-10-21: 866 OI2026-10-23: 866 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, 2026Viewing8660
Oct 21, 20268660
Oct 16, 20268660
Oct 15, 20268660
Oct 14, 20268660
Oct 13, 20268660
Oct 09, 20268660
Oct 08, 20268660
Oct 07, 20268660
Oct 06, 2026866-372
Oct 05, 20261,2380
Oct 02, 20261,238No prior observation