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Contract OI history

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Sep 17, 2027 EXPIRATION

SOFI $20.00 Put

SOFI270917P00020000

Latest saved OI541Oct 23, 2026
Last change+16vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOFI $20.00 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. 5412700 2026-10-09: 373 OI2026-10-13: 494 OI2026-10-14: 494 OI2026-10-15: 515 OI2026-10-16: 516 OI2026-10-21: 525 OI2026-10-23: 541 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, 2026Viewing541+16
Oct 21, 2026525+9
Oct 16, 2026516+1
Oct 15, 2026515+21
Oct 14, 20264940
Oct 13, 2026494+121
Oct 09, 2026373No prior observation