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Contract OI history

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Dec 18, 2026 EXPIRATION

SOFI $13.00 Put

SOFI261218P00013000

Latest saved OI6,753Oct 23, 2026
Last change-284vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOFI $13.00 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. 7,0373,5180 2026-10-09: 5,013 OI2026-10-13: 5,781 OI2026-10-14: 5,781 OI2026-10-15: 6,600 OI2026-10-16: 6,680 OI2026-10-21: 7,037 OI2026-10-23: 6,753 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, 2026Viewing6,753-284
Oct 21, 20267,037+357
Oct 16, 20266,680+80
Oct 15, 20266,600+819
Oct 14, 20265,7810
Oct 13, 20265,781+768
Oct 09, 20265,013No prior observation