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Contract OI history

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Nov 06, 2026 EXPIRATION

SOFI $16.50 Put

SOFI261106P00016500

Latest saved OI1,934Oct 23, 2026
Last change+43vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOFI $16.50 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. 1,9349670 2026-10-09: 1,810 OI2026-10-13: 1,640 OI2026-10-14: 1,640 OI2026-10-15: 1,883 OI2026-10-16: 1,885 OI2026-10-21: 1,891 OI2026-10-23: 1,934 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, 2026Viewing1,934+43
Oct 21, 20261,891+6
Oct 16, 20261,885+2
Oct 15, 20261,883+243
Oct 14, 20261,6400
Oct 13, 20261,640-170
Oct 09, 20261,810No prior observation