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Nov 13, 2026 EXPIRATION

SOFI $13.50 Put

SOFI261113P00013500

Latest saved OI2,241Oct 23, 2026
Last change+17vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOFI $13.50 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. 2,2411,1200 2026-10-09: 253 OI2026-10-13: 1,238 OI2026-10-14: 1,238 OI2026-10-15: 1,528 OI2026-10-16: 2,135 OI2026-10-21: 2,224 OI2026-10-23: 2,241 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, 2026Viewing2,241+17
Oct 21, 20262,224+89
Oct 16, 20262,135+607
Oct 15, 20261,528+290
Oct 14, 20261,2380
Oct 13, 20261,238+985
Oct 09, 2026253No prior observation