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Contract OI history

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Nov 06, 2026 EXPIRATION

WDC $310.00 Put

WDC261106P00310000

Latest saved OI548Oct 23, 2026
Last change+51vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $310.00 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. 5482740 2026-10-09: 234 OI2026-10-12: 250 OI2026-10-14: 251 OI2026-10-15: 253 OI2026-10-16: 323 OI2026-10-21: 497 OI2026-10-23: 548 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, 2026Viewing548+51
Oct 21, 2026497+174
Oct 16, 2026323+70
Oct 15, 2026253+2
Oct 14, 2026251+1
Oct 12, 2026250+16
Oct 09, 2026234No prior observation