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Contract OI history

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Jan 15, 2027 EXPIRATION

WTTR $20.00 Call

WTTR270115C00020000

Latest saved OI762Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WTTR $20.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 7623810 2026-10-02: 757 OI2026-10-05: 756 OI2026-10-06: 756 OI2026-10-07: 756 OI2026-10-08: 756 OI2026-10-09: 755 OI2026-10-13: 755 OI2026-10-14: 755 OI2026-10-16: 761 OI2026-10-20: 762 OI2026-10-23: 762 OI Oct 02, 2026Oct 23, 2026

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

WTTR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing7620
Oct 20, 2026762+1
Oct 16, 2026761+6
Oct 14, 20267550
Oct 13, 20267550
Oct 09, 2026755-1
Oct 08, 20267560
Oct 07, 20267560
Oct 06, 20267560
Oct 05, 2026756-1
Oct 02, 2026757No prior observation