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Contract OI history

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Nov 20, 2026 EXPIRATION

WSC $17.50 Call

WSC261120C00017500

Latest saved OI306Oct 23, 2026
Last change-17vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
WSC $17.50 call open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 3231610 2026-10-08: 206 OI2026-10-09: 206 OI2026-10-13: 206 OI2026-10-14: 206 OI2026-10-15: 318 OI2026-10-16: 316 OI2026-10-20: 323 OI2026-10-23: 306 OI Oct 08, 2026Oct 23, 2026

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

WSC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing306-17
Oct 20, 2026323+7
Oct 16, 2026316-2
Oct 15, 2026318+112
Oct 14, 20262060
Oct 13, 20262060
Oct 09, 20262060
Oct 08, 2026206No prior observation