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Jan 21, 2028 EXPIRATION

SOFI $18.00 Put

SOFI280121P00018000

Latest saved OI10,999Oct 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 $18.00 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. 11,0175,5080 2026-10-09: 10,464 OI2026-10-13: 10,714 OI2026-10-14: 10,714 OI2026-10-15: 10,539 OI2026-10-16: 10,547 OI2026-10-21: 11,017 OI2026-10-23: 10,999 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, 2026Viewing10,999-18
Oct 21, 202611,017+470
Oct 16, 202610,547+8
Oct 15, 202610,539-175
Oct 14, 202610,7140
Oct 13, 202610,714+250
Oct 09, 202610,464No prior observation