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Dec 18, 2026 EXPIRATION

SOFI $18.00 Put

SOFI261218P00018000

Latest saved OI25,189Oct 23, 2026
Last change+51vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOFI $18.00 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. 25,46312,7310 2026-10-09: 25,449 OI2026-10-13: 25,463 OI2026-10-14: 25,463 OI2026-10-15: 25,377 OI2026-10-16: 25,151 OI2026-10-21: 25,138 OI2026-10-23: 25,189 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, 2026Viewing25,189+51
Oct 21, 202625,138-13
Oct 16, 202625,151-226
Oct 15, 202625,377-86
Oct 14, 202625,4630
Oct 13, 202625,463+14
Oct 09, 202625,449No prior observation