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Contract OI history

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Sep 17, 2027 EXPIRATION

WDC $310.00 Put

WDC270917P00310000

Latest saved OI133Oct 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 $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. 133660 2026-10-09: 104 OI2026-10-12: 105 OI2026-10-14: 107 OI2026-10-15: 112 OI2026-10-16: 118 OI2026-10-21: 133 OI2026-10-23: 133 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, 2026Viewing1330
Oct 21, 2026133+15
Oct 16, 2026118+6
Oct 15, 2026112+5
Oct 14, 2026107+2
Oct 12, 2026105+1
Oct 09, 2026104No prior observation