OITracker Cboe delayed data

Contract OI history

Back to UPST

Dec 18, 2026 EXPIRATION

UPST $30.00 Put

UPST261218P00030000

Latest saved OI1,970Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
UPST $30.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,9969980 2026-10-09: 1,969 OI2026-10-13: 1,996 OI2026-10-14: 1,996 OI2026-10-15: 1,964 OI2026-10-16: 1,964 OI2026-10-21: 1,970 OI2026-10-23: 1,970 OI Oct 09, 2026Oct 23, 2026

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

UPST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,9700
Oct 21, 20261,970+6
Oct 16, 20261,9640
Oct 15, 20261,964-32
Oct 14, 20261,9960
Oct 13, 20261,996+27
Oct 09, 20261,969No prior observation