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Oct 30, 2026 EXPIRATION

SOFI $18.50 Put

SOFI261030P00018500

Latest saved OI268Oct 23, 2026
Last change-18vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOFI $18.50 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. 3041520 2026-10-09: 299 OI2026-10-13: 285 OI2026-10-14: 285 OI2026-10-15: 265 OI2026-10-16: 304 OI2026-10-21: 286 OI2026-10-23: 268 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, 2026Viewing268-18
Oct 21, 2026286-18
Oct 16, 2026304+39
Oct 15, 2026265-20
Oct 14, 20262850
Oct 13, 2026285-14
Oct 09, 2026299No prior observation