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Contract OI history

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Dec 18, 2026 EXPIRATION

WDC $540.00 Call

WDC261218C00540000

Latest saved OI395Oct 23, 2026
Last change+290vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $540.00 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. 3951970 2026-10-09: 105 OI2026-10-12: 105 OI2026-10-14: 105 OI2026-10-15: 106 OI2026-10-16: 105 OI2026-10-21: 105 OI2026-10-23: 395 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, 2026Viewing395+290
Oct 21, 20261050
Oct 16, 2026105-1
Oct 15, 2026106+1
Oct 14, 20261050
Oct 12, 20261050
Oct 09, 2026105No prior observation