OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

UNFI $40.00 Put

UNFI261120P00040000

Latest saved OI121Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNFI $40.00 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. 121600 2026-10-02: 106 OI2026-10-05: 106 OI2026-10-06: 117 OI2026-10-07: 119 OI2026-10-08: 119 OI2026-10-09: 119 OI2026-10-13: 119 OI2026-10-14: 119 OI2026-10-16: 119 OI2026-10-21: 120 OI2026-10-23: 121 OI Oct 02, 2026Oct 23, 2026

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

UNFI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026121+1
Oct 21, 2026Viewing120+1
Oct 16, 20261190
Oct 14, 20261190
Oct 13, 20261190
Oct 09, 20261190
Oct 08, 20261190
Oct 07, 2026119+2
Oct 06, 2026117+11
Oct 05, 20261060
Oct 02, 2026106No prior observation