OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

PDYN $4.00 Put

PDYN261120P00004000

Latest saved OI203Oct 23, 2026
Last change+8vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
PDYN $4.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2031010 2026-10-08: 60 OI2026-10-09: 60 OI2026-10-13: 166 OI2026-10-14: 169 OI2026-10-16: 178 OI2026-10-20: 195 OI2026-10-23: 203 OI Oct 08, 2026Oct 23, 2026

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

PDYN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026203+8
Oct 20, 2026Viewing195+17
Oct 16, 2026178+9
Oct 14, 2026169+3
Oct 13, 2026166+106
Oct 09, 2026600
Oct 08, 202660No prior observation