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Contract OI history

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Jan 15, 2027 EXPIRATION

WULF $21.00 Put

WULF270115P00021000

Latest saved OI1,153Oct 23, 2026
Last change-2vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WULF $21.00 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. 1,1645820 2026-10-09: 1,161 OI2026-10-14: 1,164 OI2026-10-15: 1,154 OI2026-10-16: 1,154 OI2026-10-21: 1,155 OI2026-10-23: 1,153 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, 20261,153-2
Oct 21, 2026Viewing1,155+1
Oct 16, 20261,1540
Oct 15, 20261,154-10
Oct 14, 20261,164+3
Oct 09, 20261,161No prior observation