OITracker Cboe delayed data

Contract OI history

Back to PDSB

Nov 20, 2026 EXPIRATION

PDSB $1000.00 Put

PDSB261120P00001000

Latest saved OI3,086Oct 23, 2026
Last change+30vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PDSB $1000.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3,0861,5430 2026-10-09: 1,665 OI2026-10-13: 1,690 OI2026-10-14: 1,920 OI2026-10-16: 1,969 OI2026-10-20: 3,056 OI2026-10-23: 3,086 OI Oct 09, 2026Oct 23, 2026

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

PDSB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,086+30
Oct 20, 20263,056+1,087
Oct 16, 20261,969+49
Oct 14, 20261,920+230
Oct 13, 20261,690+25
Oct 09, 20261,665No prior observation