OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

HAL $37.00 Put

HAL270115P00037000

Latest saved OI900Oct 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 $37.00 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. 9024510 2026-10-02: 902 OI2026-10-05: 902 OI2026-10-06: 902 OI2026-10-07: 902 OI2026-10-08: 902 OI2026-10-09: 902 OI2026-10-13: 902 OI2026-10-14: 902 OI2026-10-15: 902 OI2026-10-16: 902 OI2026-10-21: 900 OI2026-10-23: 900 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, 2026Viewing9000
Oct 21, 2026900-2
Oct 16, 20269020
Oct 15, 20269020
Oct 14, 20269020
Oct 13, 20269020
Oct 09, 20269020
Oct 08, 20269020
Oct 07, 20269020
Oct 06, 20269020
Oct 05, 20269020
Oct 02, 2026902No prior observation