OITracker Cboe delayed data

Contract OI history

Back to HAL

Sep 17, 2027 EXPIRATION

HAL $25.00 Put

HAL270917P00025000

Latest saved OI1,740Oct 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 $25.00 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. 1,7408700 2026-10-02: 190 OI2026-10-05: 190 OI2026-10-06: 224 OI2026-10-07: 242 OI2026-10-08: 242 OI2026-10-09: 242 OI2026-10-13: 242 OI2026-10-14: 242 OI2026-10-15: 1,740 OI2026-10-16: 1,740 OI2026-10-21: 1,740 OI2026-10-23: 1,740 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, 2026Viewing1,7400
Oct 21, 20261,7400
Oct 16, 20261,7400
Oct 15, 20261,740+1,498
Oct 14, 20262420
Oct 13, 20262420
Oct 09, 20262420
Oct 08, 20262420
Oct 07, 2026242+18
Oct 06, 2026224+34
Oct 05, 20261900
Oct 02, 2026190No prior observation