OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

HAL $32.00 Put

HAL270115P00032000

Latest saved OI2,557Oct 23, 2026
Last change+72vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $32.00 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. 2,5571,2780 2026-10-02: 2,288 OI2026-10-05: 2,288 OI2026-10-06: 2,308 OI2026-10-07: 2,308 OI2026-10-08: 2,308 OI2026-10-09: 2,306 OI2026-10-13: 2,301 OI2026-10-14: 2,301 OI2026-10-15: 2,301 OI2026-10-16: 2,277 OI2026-10-21: 2,485 OI2026-10-23: 2,557 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, 2026Viewing2,557+72
Oct 21, 20262,485+208
Oct 16, 20262,277-24
Oct 15, 20262,3010
Oct 14, 20262,3010
Oct 13, 20262,301-5
Oct 09, 20262,306-2
Oct 08, 20262,3080
Oct 07, 20262,3080
Oct 06, 20262,308+20
Oct 05, 20262,2880
Oct 02, 20262,288No prior observation