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Contract OI history

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Jan 15, 2027 EXPIRATION

WDC $350.00 Call

WDC270115C00350000

Latest saved OI256Oct 23, 2026
Last change+39vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $350.00 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. 2561280 2026-10-09: 127 OI2026-10-12: 139 OI2026-10-14: 158 OI2026-10-15: 152 OI2026-10-16: 228 OI2026-10-21: 217 OI2026-10-23: 256 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, 2026Viewing256+39
Oct 21, 2026217-11
Oct 16, 2026228+76
Oct 15, 2026152-6
Oct 14, 2026158+19
Oct 12, 2026139+12
Oct 09, 2026127No prior observation