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Contract OI history

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Oct 23, 2026 EXPIRATION

WULF $19.50 Put

WULF261023P00019500

Latest saved OI0Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WULF $19.50 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1150 2026-10-09: 11 OI2026-10-14: 7 OI2026-10-15: 3 OI2026-10-16: 3 OI2026-10-21: 0 OI2026-10-23: 0 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

WULF contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 202600
Oct 21, 2026Viewing0-3
Oct 16, 202630
Oct 15, 20263-4
Oct 14, 20267-4
Oct 09, 202611No prior observation