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Contract OI history

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Nov 20, 2026 EXPIRATION

WTTR $20.00 Call

WTTR261120C00020000

Latest saved OI6,766Oct 23, 2026
Last change+22vs 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. 6,7663,3830 2026-10-02: 6,539 OI2026-10-05: 6,541 OI2026-10-06: 6,541 OI2026-10-07: 6,542 OI2026-10-08: 6,542 OI2026-10-09: 6,540 OI2026-10-13: 6,542 OI2026-10-14: 6,541 OI2026-10-16: 6,541 OI2026-10-20: 6,744 OI2026-10-23: 6,766 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, 2026Viewing6,766+22
Oct 20, 20266,744+203
Oct 16, 20266,5410
Oct 14, 20266,541-1
Oct 13, 20266,542+2
Oct 09, 20266,540-2
Oct 08, 20266,5420
Oct 07, 20266,542+1
Oct 06, 20266,5410
Oct 05, 20266,541+2
Oct 02, 20266,539No prior observation