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Contract OI history

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Dec 15, 2028 EXPIRATION

SOFI $20.00 Put

SOFI281215P00020000

Latest saved OI963Oct 23, 2026
Last change0vs 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. 9634810 2026-10-09: 950 OI2026-10-13: 955 OI2026-10-14: 955 OI2026-10-15: 947 OI2026-10-16: 950 OI2026-10-21: 963 OI2026-10-23: 963 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, 2026Viewing9630
Oct 21, 2026963+13
Oct 16, 2026950+3
Oct 15, 2026947-8
Oct 14, 20269550
Oct 13, 2026955+5
Oct 09, 2026950No prior observation