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Contract OI history

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Nov 27, 2026 EXPIRATION

SOFI $18.50 Call

SOFI261127C00018500

Latest saved OI1,542Oct 23, 2026
Last change+185vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOFI $18.50 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. 1,5427710 2026-10-09: 6 OI2026-10-13: 262 OI2026-10-14: 262 OI2026-10-15: 868 OI2026-10-16: 1,282 OI2026-10-21: 1,357 OI2026-10-23: 1,542 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, 2026Viewing1,542+185
Oct 21, 20261,357+75
Oct 16, 20261,282+414
Oct 15, 2026868+606
Oct 14, 20262620
Oct 13, 2026262+256
Oct 09, 20266No prior observation