OITracker Cboe delayed data

Contract OI history

Back to U

Dec 17, 2027 EXPIRATION

U $20.00 Put

U271217P00020000

Latest saved OI6,446Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
U $20.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6,4763,2380 2026-10-02: 6,476 OI2026-10-05: 6,476 OI2026-10-06: 6,476 OI2026-10-07: 6,476 OI2026-10-08: 6,476 OI2026-10-09: 6,476 OI2026-10-14: 6,446 OI2026-10-15: 6,446 OI2026-10-16: 6,446 OI2026-10-21: 6,446 OI2026-10-23: 6,446 OI Oct 02, 2026Oct 23, 2026

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

U contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6,4460
Oct 21, 20266,4460
Oct 16, 20266,4460
Oct 15, 20266,4460
Oct 14, 20266,446-30
Oct 09, 20266,4760
Oct 08, 20266,4760
Oct 07, 20266,4760
Oct 06, 20266,4760
Oct 05, 20266,4760
Oct 02, 20266,476No prior observation