OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

HAL $36.00 Put

HAL261120P00036000

Latest saved OI279Oct 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 $36.00 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. 2851420 2026-10-02: 282 OI2026-10-05: 283 OI2026-10-06: 283 OI2026-10-07: 283 OI2026-10-08: 283 OI2026-10-09: 284 OI2026-10-13: 285 OI2026-10-14: 285 OI2026-10-15: 285 OI2026-10-16: 285 OI2026-10-21: 279 OI2026-10-23: 279 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, 2026Viewing2790
Oct 21, 2026279-6
Oct 16, 20262850
Oct 15, 20262850
Oct 14, 20262850
Oct 13, 2026285+1
Oct 09, 2026284+1
Oct 08, 20262830
Oct 07, 20262830
Oct 06, 20262830
Oct 05, 2026283+1
Oct 02, 2026282No prior observation