OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

H $170.00 Put

H261120P00170000

Latest saved OI19Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
H $170.00 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. 1990 2026-10-02: 6 OI2026-10-05: 6 OI2026-10-06: 6 OI2026-10-07: 6 OI2026-10-08: 6 OI2026-10-09: 6 OI2026-10-13: 6 OI2026-10-14: 6 OI2026-10-15: 6 OI2026-10-16: 8 OI2026-10-21: 19 OI2026-10-23: 19 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

H contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing190
Oct 21, 202619+11
Oct 16, 20268+2
Oct 15, 202660
Oct 14, 202660
Oct 13, 202660
Oct 09, 202660
Oct 08, 202660
Oct 07, 202660
Oct 06, 202660
Oct 05, 202660
Oct 02, 20266No prior observation