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Contract OI history

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Nov 20, 2026 EXPIRATION

WDC $390.00 Call

WDC261120C00390000

Latest saved OI233Oct 23, 2026
Last change+10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $390.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2331160 2026-10-09: 147 OI2026-10-12: 180 OI2026-10-14: 196 OI2026-10-15: 223 OI2026-10-16: 213 OI2026-10-21: 223 OI2026-10-23: 233 OI Oct 09, 2026Oct 23, 2026

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

WDC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing233+10
Oct 21, 2026223+10
Oct 16, 2026213-10
Oct 15, 2026223+27
Oct 14, 2026196+16
Oct 12, 2026180+33
Oct 09, 2026147No prior observation