OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

HAL $33.00 Put

HAL261218P00033000

Latest saved OI3,034Oct 23, 2026
Last change+1,668vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $33.00 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. 3,0341,5170 2026-10-02: 1,216 OI2026-10-05: 1,260 OI2026-10-06: 1,295 OI2026-10-07: 1,295 OI2026-10-08: 1,295 OI2026-10-09: 1,295 OI2026-10-13: 1,343 OI2026-10-14: 1,358 OI2026-10-15: 1,361 OI2026-10-16: 1,364 OI2026-10-21: 1,366 OI2026-10-23: 3,034 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, 2026Viewing3,034+1,668
Oct 21, 20261,366+2
Oct 16, 20261,364+3
Oct 15, 20261,361+3
Oct 14, 20261,358+15
Oct 13, 20261,343+48
Oct 09, 20261,2950
Oct 08, 20261,2950
Oct 07, 20261,2950
Oct 06, 20261,295+35
Oct 05, 20261,260+44
Oct 02, 20261,216No prior observation