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Contract OI history

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Oct 30, 2026 EXPIRATION

SOFI $13.50 Put

SOFI261030P00013500

Latest saved OI4,585Oct 23, 2026
Last change+363vs 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. 4,5852,2920 2026-10-09: 1,820 OI2026-10-13: 2,096 OI2026-10-14: 2,096 OI2026-10-15: 2,818 OI2026-10-16: 3,078 OI2026-10-21: 4,222 OI2026-10-23: 4,585 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, 2026Viewing4,585+363
Oct 21, 20264,222+1,144
Oct 16, 20263,078+260
Oct 15, 20262,818+722
Oct 14, 20262,0960
Oct 13, 20262,096+276
Oct 09, 20261,820No prior observation