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Contract OI history

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Nov 20, 2026 EXPIRATION

UBS $40.00 Put

UBS261120P00040000

Latest saved OI1,477Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UBS $40.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,4777380 2026-10-02: 1,259 OI2026-10-06: 1,403 OI2026-10-07: 1,423 OI2026-10-08: 1,447 OI2026-10-09: 1,447 OI2026-10-13: 1,451 OI2026-10-15: 1,451 OI2026-10-16: 1,451 OI2026-10-21: 1,477 OI2026-10-23: 1,477 OI Oct 02, 2026Oct 23, 2026

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

UBS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,4770
Oct 21, 20261,477+26
Oct 16, 20261,4510
Oct 15, 20261,4510
Oct 13, 20261,451+4
Oct 09, 20261,4470
Oct 08, 20261,447+24
Oct 07, 20261,423+20
Oct 06, 20261,403+144
Oct 02, 20261,259No prior observation