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Contract OI history

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Jan 15, 2027 EXPIRATION

WDC $500.00 Put

WDC270115P00500000

Latest saved OI679Oct 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 $500.00 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. 6793390 2026-10-09: 673 OI2026-10-12: 673 OI2026-10-14: 675 OI2026-10-15: 675 OI2026-10-16: 679 OI2026-10-21: 679 OI2026-10-23: 679 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, 2026Viewing6790
Oct 21, 20266790
Oct 16, 2026679+4
Oct 15, 20266750
Oct 14, 2026675+2
Oct 12, 20266730
Oct 09, 2026673No prior observation