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Contract OI history

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Jan 15, 2027 EXPIRATION

WDC $165.00 Put

WDC270115P00165000

Latest saved OI263Oct 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 $165.00 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. 2721360 2026-10-09: 272 OI2026-10-12: 272 OI2026-10-14: 272 OI2026-10-15: 262 OI2026-10-16: 262 OI2026-10-21: 263 OI2026-10-23: 263 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, 2026Viewing2630
Oct 21, 2026263+1
Oct 16, 20262620
Oct 15, 2026262-10
Oct 14, 20262720
Oct 12, 20262720
Oct 09, 2026272No prior observation