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Contract OI history

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Nov 20, 2026 EXPIRATION

WSC $20.00 Call

WSC261120C00020000

Latest saved OI1,255Oct 23, 2026
Last change+8vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
WSC $20.00 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. 1,2586290 2026-10-08: 1,258 OI2026-10-09: 1,251 OI2026-10-13: 1,238 OI2026-10-14: 1,239 OI2026-10-15: 1,239 OI2026-10-16: 1,224 OI2026-10-20: 1,247 OI2026-10-23: 1,255 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, 2026Viewing1,255+8
Oct 20, 20261,247+23
Oct 16, 20261,224-15
Oct 15, 20261,2390
Oct 14, 20261,239+1
Oct 13, 20261,238-13
Oct 09, 20261,251-7
Oct 08, 20261,258No prior observation