OITracker Cboe delayed data

Contract OI history

Back to HAL

Nov 20, 2026 EXPIRATION

HAL $31.00 Put

HAL261120P00031000

Latest saved OI350Oct 23, 2026
Last change+52vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $31.00 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. 3501750 2026-10-02: 164 OI2026-10-05: 164 OI2026-10-06: 179 OI2026-10-07: 170 OI2026-10-08: 170 OI2026-10-09: 172 OI2026-10-13: 182 OI2026-10-14: 217 OI2026-10-15: 230 OI2026-10-16: 252 OI2026-10-21: 298 OI2026-10-23: 350 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, 2026Viewing350+52
Oct 21, 2026298+46
Oct 16, 2026252+22
Oct 15, 2026230+13
Oct 14, 2026217+35
Oct 13, 2026182+10
Oct 09, 2026172+2
Oct 08, 20261700
Oct 07, 2026170-9
Oct 06, 2026179+15
Oct 05, 20261640
Oct 02, 2026164No prior observation