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Contract OI history

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Jun 17, 2027 EXPIRATION

WDC $240.00 Put

WDC270617P00240000

Latest saved OI1,310Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $240.00 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. 1,3266630 2026-10-09: 1,296 OI2026-10-12: 1,303 OI2026-10-14: 1,303 OI2026-10-15: 1,305 OI2026-10-16: 1,326 OI2026-10-21: 1,309 OI2026-10-23: 1,310 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, 2026Viewing1,310+1
Oct 21, 20261,309-17
Oct 16, 20261,326+21
Oct 15, 20261,305+2
Oct 14, 20261,3030
Oct 12, 20261,303+7
Oct 09, 20261,296No prior observation