OITracker Cboe delayed data

Contract OI history

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Jan 19, 2029 EXPIRATION

HAL $25.00 Put

HAL290119P00025000

Latest saved OI547Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $25.00 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. 5472730 2026-10-02: 5 OI2026-10-05: 5 OI2026-10-06: 5 OI2026-10-07: 5 OI2026-10-08: 5 OI2026-10-09: 25 OI2026-10-13: 535 OI2026-10-14: 535 OI2026-10-15: 535 OI2026-10-16: 535 OI2026-10-21: 546 OI2026-10-23: 547 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, 2026Viewing547+1
Oct 21, 2026546+11
Oct 16, 20265350
Oct 15, 20265350
Oct 14, 20265350
Oct 13, 2026535+510
Oct 09, 202625+20
Oct 08, 202650
Oct 07, 202650
Oct 06, 202650
Oct 05, 202650
Oct 02, 20265No prior observation