OITracker Cboe delayed data

Contract OI history

Back to PDSB

Nov 20, 2026 EXPIRATION

PDSB $2.50 Call

PDSB261120C00002500

Latest saved OI2,565Oct 23, 2026
Last change+1vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PDSB $2.50 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2,5651,2820 2026-10-09: 2,516 OI2026-10-13: 2,516 OI2026-10-14: 2,497 OI2026-10-16: 2,544 OI2026-10-20: 2,564 OI2026-10-23: 2,565 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, 2026Viewing2,565+1
Oct 20, 20262,564+20
Oct 16, 20262,544+47
Oct 14, 20262,497-19
Oct 13, 20262,5160
Oct 09, 20262,516No prior observation