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Contract OI history

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Jun 16, 2028 EXPIRATION

SOFI $18.00 Put

SOFI280616P00018000

Latest saved OI4,702Oct 23, 2026
Last change-9vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOFI $18.00 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. 4,9472,4730 2026-10-09: 4,894 OI2026-10-13: 4,899 OI2026-10-14: 4,899 OI2026-10-15: 4,940 OI2026-10-16: 4,947 OI2026-10-21: 4,711 OI2026-10-23: 4,702 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, 2026Viewing4,702-9
Oct 21, 20264,711-236
Oct 16, 20264,947+7
Oct 15, 20264,940+41
Oct 14, 20264,8990
Oct 13, 20264,899+5
Oct 09, 20264,894No prior observation