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Contract OI history

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Mar 19, 2027 EXPIRATION

WDC $390.00 Call

WDC270319C00390000

Latest saved OI183Oct 23, 2026
Last change+2vs 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. 183910 2026-10-09: 156 OI2026-10-12: 157 OI2026-10-14: 162 OI2026-10-15: 161 OI2026-10-16: 169 OI2026-10-21: 181 OI2026-10-23: 183 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, 2026Viewing183+2
Oct 21, 2026181+12
Oct 16, 2026169+8
Oct 15, 2026161-1
Oct 14, 2026162+5
Oct 12, 2026157+1
Oct 09, 2026156No prior observation