OITracker Cboe delayed data

Contract OI history

Back to HAL

Jan 21, 2028 EXPIRATION

HAL $18.00 Put

HAL280121P00018000

Latest saved OI1,592Oct 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 $18.00 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. 1,5927960 2026-10-02: 1,592 OI2026-10-05: 1,592 OI2026-10-06: 1,592 OI2026-10-07: 1,592 OI2026-10-08: 1,592 OI2026-10-09: 1,592 OI2026-10-13: 1,592 OI2026-10-14: 1,592 OI2026-10-15: 1,592 OI2026-10-16: 1,592 OI2026-10-21: 1,592 OI2026-10-23: 1,592 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, 2026Viewing1,5920
Oct 21, 20261,5920
Oct 16, 20261,5920
Oct 15, 20261,5920
Oct 14, 20261,5920
Oct 13, 20261,5920
Oct 09, 20261,5920
Oct 08, 20261,5920
Oct 07, 20261,5920
Oct 06, 20261,5920
Oct 05, 20261,5920
Oct 02, 20261,592No prior observation