OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

HAL $15.00 Put

HAL261218P00015000

Latest saved OI1,304Oct 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 $15.00 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. 1,3466730 2026-10-02: 1,346 OI2026-10-05: 1,346 OI2026-10-06: 1,304 OI2026-10-07: 1,304 OI2026-10-08: 1,304 OI2026-10-09: 1,304 OI2026-10-13: 1,304 OI2026-10-14: 1,304 OI2026-10-15: 1,304 OI2026-10-16: 1,304 OI2026-10-21: 1,304 OI2026-10-23: 1,304 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, 2026Viewing1,3040
Oct 21, 20261,3040
Oct 16, 20261,3040
Oct 15, 20261,3040
Oct 14, 20261,3040
Oct 13, 20261,3040
Oct 09, 20261,3040
Oct 08, 20261,3040
Oct 07, 20261,3040
Oct 06, 20261,304-42
Oct 05, 20261,3460
Oct 02, 20261,346No prior observation