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Contract OI history

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Nov 20, 2026 EXPIRATION

WDC $360.00 Put

WDC261120P00360000

Latest saved OI1,208Oct 23, 2026
Last change+31vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $360.00 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. 1,2186090 2026-10-09: 867 OI2026-10-12: 935 OI2026-10-14: 995 OI2026-10-15: 1,002 OI2026-10-16: 1,218 OI2026-10-21: 1,177 OI2026-10-23: 1,208 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, 2026Viewing1,208+31
Oct 21, 20261,177-41
Oct 16, 20261,218+216
Oct 15, 20261,002+7
Oct 14, 2026995+60
Oct 12, 2026935+68
Oct 09, 2026867No prior observation