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Contract OI history

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Jan 15, 2027 EXPIRATION

WDC $260.00 Put

WDC270115P00260000

Latest saved OI929Oct 23, 2026
Last change-8vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $260.00 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. 9434710 2026-10-09: 835 OI2026-10-12: 835 OI2026-10-14: 834 OI2026-10-15: 929 OI2026-10-16: 943 OI2026-10-21: 937 OI2026-10-23: 929 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, 2026Viewing929-8
Oct 21, 2026937-6
Oct 16, 2026943+14
Oct 15, 2026929+95
Oct 14, 2026834-1
Oct 12, 20268350
Oct 09, 2026835No prior observation