OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

HAL $30.50 Put

HAL261030P00030500

Latest saved OI152Oct 23, 2026
Last change+6vs previous saved observation
Saved market days6Oct 13, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $30.50 put open interest history 6 saved observations from 2026-10-13 to 2026-10-23. Exact values and changes are listed in the table below. 174870 2026-10-13: 140 OI2026-10-14: 174 OI2026-10-15: 141 OI2026-10-16: 141 OI2026-10-21: 146 OI2026-10-23: 152 OI Oct 13, 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, 2026Viewing152+6
Oct 21, 2026146+5
Oct 16, 20261410
Oct 15, 2026141-33
Oct 14, 2026174+34
Oct 13, 2026140No prior observation