OITracker Cboe delayed data

Contract OI history

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Jun 17, 2027 EXPIRATION

HAL $30.00 Put

HAL270617P00030000

Latest saved OI596Oct 23, 2026
Last change+226vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $30.00 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. 5962980 2026-10-02: 342 OI2026-10-05: 342 OI2026-10-06: 369 OI2026-10-07: 369 OI2026-10-08: 369 OI2026-10-09: 369 OI2026-10-13: 369 OI2026-10-14: 368 OI2026-10-15: 368 OI2026-10-16: 368 OI2026-10-21: 370 OI2026-10-23: 596 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, 2026Viewing596+226
Oct 21, 2026370+2
Oct 16, 20263680
Oct 15, 20263680
Oct 14, 2026368-1
Oct 13, 20263690
Oct 09, 20263690
Oct 08, 20263690
Oct 07, 20263690
Oct 06, 2026369+27
Oct 05, 20263420
Oct 02, 2026342No prior observation