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Contract OI history

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Dec 15, 2028 EXPIRATION

WDC $250.00 Put

WDC281215P00250000

Latest saved OI260Oct 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 $250.00 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. 2601300 2026-10-09: 237 OI2026-10-12: 238 OI2026-10-14: 250 OI2026-10-15: 250 OI2026-10-16: 251 OI2026-10-21: 260 OI2026-10-23: 260 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, 2026Viewing2600
Oct 21, 2026260+9
Oct 16, 2026251+1
Oct 15, 20262500
Oct 14, 2026250+12
Oct 12, 2026238+1
Oct 09, 2026237No prior observation