OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

HAL $20.00 Put

HAL270115P00020000

Latest saved OI10,004Oct 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 $20.00 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. 10,0045,0020 2026-10-02: 10,004 OI2026-10-05: 10,004 OI2026-10-06: 10,004 OI2026-10-07: 10,004 OI2026-10-08: 10,004 OI2026-10-09: 10,004 OI2026-10-13: 10,004 OI2026-10-14: 10,004 OI2026-10-15: 10,004 OI2026-10-16: 10,004 OI2026-10-21: 10,004 OI2026-10-23: 10,004 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, 2026Viewing10,0040
Oct 21, 202610,0040
Oct 16, 202610,0040
Oct 15, 202610,0040
Oct 14, 202610,0040
Oct 13, 202610,0040
Oct 09, 202610,0040
Oct 08, 202610,0040
Oct 07, 202610,0040
Oct 06, 202610,0040
Oct 05, 202610,0040
Oct 02, 202610,004No prior observation