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Contract OI history

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Dec 18, 2026 EXPIRATION

WOLF $27.50 Put

WOLF261218P00027500

Latest saved OI228Oct 23, 2026
Last change+4vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WOLF $27.50 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2281140 2026-10-02: 207 OI2026-10-05: 209 OI2026-10-06: 206 OI2026-10-07: 204 OI2026-10-08: 204 OI2026-10-09: 204 OI2026-10-14: 226 OI2026-10-15: 224 OI2026-10-16: 224 OI2026-10-21: 224 OI2026-10-23: 228 OI Oct 02, 2026Oct 23, 2026

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

WOLF contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing228+4
Oct 21, 20262240
Oct 16, 20262240
Oct 15, 2026224-2
Oct 14, 2026226+22
Oct 09, 20262040
Oct 08, 20262040
Oct 07, 2026204-2
Oct 06, 2026206-3
Oct 05, 2026209+2
Oct 02, 2026207No prior observation