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Contract OI history

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Sep 17, 2027 EXPIRATION

SOFI $13.00 Put

SOFI270917P00013000

Latest saved OI4,104Oct 23, 2026
Last change+29vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOFI $13.00 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. 4,1042,0520 2026-10-09: 1,642 OI2026-10-13: 1,777 OI2026-10-14: 1,777 OI2026-10-15: 3,848 OI2026-10-16: 3,874 OI2026-10-21: 4,075 OI2026-10-23: 4,104 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, 2026Viewing4,104+29
Oct 21, 20264,075+201
Oct 16, 20263,874+26
Oct 15, 20263,848+2,071
Oct 14, 20261,7770
Oct 13, 20261,777+135
Oct 09, 20261,642No prior observation