OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

HAL $32.00 Put

HAL280121P00032000

Latest saved OI3,816Oct 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 $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. 3,8161,9080 2026-10-02: 2,771 OI2026-10-05: 2,810 OI2026-10-06: 2,810 OI2026-10-07: 2,825 OI2026-10-08: 2,825 OI2026-10-09: 2,822 OI2026-10-13: 2,822 OI2026-10-14: 2,822 OI2026-10-15: 3,816 OI2026-10-16: 3,816 OI2026-10-21: 3,816 OI2026-10-23: 3,816 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, 2026Viewing3,8160
Oct 21, 20263,8160
Oct 16, 20263,8160
Oct 15, 20263,816+994
Oct 14, 20262,8220
Oct 13, 20262,8220
Oct 09, 20262,822-3
Oct 08, 20262,8250
Oct 07, 20262,825+15
Oct 06, 20262,8100
Oct 05, 20262,810+39
Oct 02, 20262,771No prior observation