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Contract OI history

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Nov 20, 2026 EXPIRATION

WDC $470.00 Put

WDC261120P00470000

Latest saved OI317Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $470.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3571780 2026-10-09: 357 OI2026-10-12: 357 OI2026-10-14: 321 OI2026-10-15: 321 OI2026-10-16: 321 OI2026-10-21: 317 OI2026-10-23: 317 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, 2026Viewing3170
Oct 21, 2026317-4
Oct 16, 20263210
Oct 15, 20263210
Oct 14, 2026321-36
Oct 12, 20263570
Oct 09, 2026357No prior observation