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Contract OI history

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Nov 20, 2026 EXPIRATION

WTI $3.50 Put

WTI261120P00003500

Latest saved OI200Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WTI $3.50 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2001000 2026-10-02: 133 OI2026-10-05: 133 OI2026-10-06: 139 OI2026-10-07: 159 OI2026-10-08: 161 OI2026-10-09: 162 OI2026-10-13: 163 OI2026-10-14: 162 OI2026-10-15: 161 OI2026-10-16: 166 OI2026-10-20: 200 OI2026-10-23: 200 OI Oct 02, 2026Oct 23, 2026

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

WTI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2000
Oct 20, 2026200+34
Oct 16, 2026166+5
Oct 15, 2026161-1
Oct 14, 2026162-1
Oct 13, 2026163+1
Oct 09, 2026162+1
Oct 08, 2026161+2
Oct 07, 2026159+20
Oct 06, 2026139+6
Oct 05, 20261330
Oct 02, 2026133No prior observation