OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

UL $57.50 Put

UL261120P00057500

Latest saved OI1,173Oct 23, 2026
Last change-12vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UL $57.50 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. 1,2096040 2026-10-02: 1,114 OI2026-10-05: 1,178 OI2026-10-06: 1,179 OI2026-10-07: 1,195 OI2026-10-08: 1,195 OI2026-10-09: 1,201 OI2026-10-13: 1,202 OI2026-10-14: 1,201 OI2026-10-16: 1,209 OI2026-10-21: 1,185 OI2026-10-23: 1,173 OI Oct 02, 2026Oct 23, 2026

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

UL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,173-12
Oct 21, 20261,185-24
Oct 16, 20261,209+8
Oct 14, 20261,201-1
Oct 13, 20261,202+1
Oct 09, 20261,201+6
Oct 08, 20261,1950
Oct 07, 20261,195+16
Oct 06, 20261,179+1
Oct 05, 20261,178+64
Oct 02, 20261,114No prior observation