OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

HAL $35.00 Put

HAL261120P00035000

Latest saved OI246Oct 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 $35.00 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. 2461230 2026-10-02: 181 OI2026-10-05: 181 OI2026-10-06: 181 OI2026-10-07: 183 OI2026-10-08: 183 OI2026-10-09: 222 OI2026-10-13: 240 OI2026-10-14: 227 OI2026-10-15: 227 OI2026-10-16: 227 OI2026-10-21: 246 OI2026-10-23: 246 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, 2026Viewing2460
Oct 21, 2026246+19
Oct 16, 20262270
Oct 15, 20262270
Oct 14, 2026227-13
Oct 13, 2026240+18
Oct 09, 2026222+39
Oct 08, 20261830
Oct 07, 2026183+2
Oct 06, 20261810
Oct 05, 20261810
Oct 02, 2026181No prior observation