OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

U $33.00 Put

U280121P00033000

Latest saved OI1,370Oct 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 $33.00 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. 1,3706850 2026-10-02: 275 OI2026-10-05: 275 OI2026-10-06: 1,369 OI2026-10-07: 1,369 OI2026-10-08: 1,369 OI2026-10-09: 1,369 OI2026-10-14: 1,370 OI2026-10-15: 1,370 OI2026-10-16: 1,370 OI2026-10-21: 1,370 OI2026-10-23: 1,370 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, 20261,3700
Oct 21, 2026Viewing1,3700
Oct 16, 20261,3700
Oct 15, 20261,3700
Oct 14, 20261,370+1
Oct 09, 20261,3690
Oct 08, 20261,3690
Oct 07, 20261,3690
Oct 06, 20261,369+1,094
Oct 05, 20262750
Oct 02, 2026275No prior observation