OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

PH $870.00 Put

PH261120P00870000

Latest saved OI766Oct 23, 2026
Last change+722vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PH $870.00 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. 7663830 2026-10-02: 42 OI2026-10-05: 42 OI2026-10-06: 42 OI2026-10-07: 42 OI2026-10-08: 42 OI2026-10-09: 43 OI2026-10-13: 43 OI2026-10-14: 43 OI2026-10-15: 43 OI2026-10-16: 43 OI2026-10-21: 44 OI2026-10-23: 766 OI Oct 02, 2026Oct 23, 2026

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

PH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026766+722
Oct 21, 2026Viewing44+1
Oct 16, 2026430
Oct 15, 2026430
Oct 14, 2026430
Oct 13, 2026430
Oct 09, 202643+1
Oct 08, 2026420
Oct 07, 2026420
Oct 06, 2026420
Oct 05, 2026420
Oct 02, 202642No prior observation