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Oct 23, 2026 EXPIRATION

SOFI $17.50 Put

SOFI261023P00017500

Latest saved OI6Oct 23, 2026
Last change-176vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOFI $17.50 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. 1,0595290 2026-10-09: 1,059 OI2026-10-13: 983 OI2026-10-14: 983 OI2026-10-15: 921 OI2026-10-16: 908 OI2026-10-21: 182 OI2026-10-23: 6 OI Oct 09, 2026Oct 23, 2026

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

SOFI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6-176
Oct 21, 2026182-726
Oct 16, 2026908-13
Oct 15, 2026921-62
Oct 14, 20269830
Oct 13, 2026983-76
Oct 09, 20261,059No prior observation