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Contract OI history

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Nov 20, 2026 EXPIRATION

SOFI $16.50 Put

SOFI261120P00016500

Latest saved OI613Oct 23, 2026
Last change+89vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
SOFI $16.50 put open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 6133060 2026-10-21: 524 OI2026-10-23: 613 OI Oct 21, 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, 2026Viewing613+89
Oct 21, 2026524No prior observation