OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

HAL $23.00 Put

HAL270319P00023000

Latest saved OI485Oct 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 $23.00 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. 4852420 2026-10-02: 456 OI2026-10-05: 456 OI2026-10-06: 481 OI2026-10-07: 483 OI2026-10-08: 483 OI2026-10-09: 483 OI2026-10-13: 483 OI2026-10-14: 483 OI2026-10-15: 483 OI2026-10-16: 485 OI2026-10-21: 485 OI2026-10-23: 485 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, 2026Viewing4850
Oct 21, 20264850
Oct 16, 2026485+2
Oct 15, 20264830
Oct 14, 20264830
Oct 13, 20264830
Oct 09, 20264830
Oct 08, 20264830
Oct 07, 2026483+2
Oct 06, 2026481+25
Oct 05, 20264560
Oct 02, 2026456No prior observation