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Contract OI history

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Nov 20, 2026 EXPIRATION

SOFI $18.00 Call

SOFI261120C00018000

Latest saved OI22,009Oct 23, 2026
Last change+478vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOFI $18.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 22,00911,0040 2026-10-09: 17,856 OI2026-10-13: 19,241 OI2026-10-14: 19,241 OI2026-10-15: 19,434 OI2026-10-16: 20,710 OI2026-10-21: 21,531 OI2026-10-23: 22,009 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, 2026Viewing22,009+478
Oct 21, 202621,531+821
Oct 16, 202620,710+1,276
Oct 15, 202619,434+193
Oct 14, 202619,2410
Oct 13, 202619,241+1,385
Oct 09, 202617,856No prior observation