OITracker Cboe delayed data

Contract OI history

Back to UPBD

Dec 18, 2026 EXPIRATION

UPBD $20.00 Put

UPBD261218P00020000

Latest saved OI149Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
UPBD $20.00 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. 155770 2026-10-08: 155 OI2026-10-09: 155 OI2026-10-13: 155 OI2026-10-14: 155 OI2026-10-16: 155 OI2026-10-21: 150 OI2026-10-23: 149 OI Oct 08, 2026Oct 23, 2026

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

UPBD contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing149-1
Oct 21, 2026150-5
Oct 16, 20261550
Oct 14, 20261550
Oct 13, 20261550
Oct 09, 20261550
Oct 08, 2026155No prior observation