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Contract OI history

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Dec 15, 2028 EXPIRATION

WDC $200.00 Put

WDC281215P00200000

Latest saved OI1,111Oct 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 $200.00 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. 1,1115550 2026-10-09: 1,071 OI2026-10-12: 1,069 OI2026-10-14: 1,111 OI2026-10-15: 1,111 OI2026-10-16: 1,110 OI2026-10-21: 1,111 OI2026-10-23: 1,111 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, 2026Viewing1,1110
Oct 21, 20261,111+1
Oct 16, 20261,110-1
Oct 15, 20261,1110
Oct 14, 20261,111+42
Oct 12, 20261,069-2
Oct 09, 20261,071No prior observation