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Contract OI history

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Nov 13, 2026 EXPIRATION

SOFI $15.50 Put

SOFI261113P00015500

Latest saved OI2,273Oct 23, 2026
Last change+22vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOFI $15.50 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. 2,2731,1360 2026-10-09: 967 OI2026-10-13: 1,362 OI2026-10-14: 1,362 OI2026-10-15: 1,987 OI2026-10-16: 2,024 OI2026-10-21: 2,251 OI2026-10-23: 2,273 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, 2026Viewing2,273+22
Oct 21, 20262,251+227
Oct 16, 20262,024+37
Oct 15, 20261,987+625
Oct 14, 20261,3620
Oct 13, 20261,362+395
Oct 09, 2026967No prior observation