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Contract OI history

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Oct 23, 2026 EXPIRATION

SOFI $18.00 Put

SOFI261023P00018000

Latest saved OI0Oct 23, 2026
Last change-34vs 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. 6653320 2026-10-09: 665 OI2026-10-13: 623 OI2026-10-14: 623 OI2026-10-15: 556 OI2026-10-16: 237 OI2026-10-21: 34 OI2026-10-23: 0 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, 2026Viewing0-34
Oct 21, 202634-203
Oct 16, 2026237-319
Oct 15, 2026556-67
Oct 14, 20266230
Oct 13, 2026623-42
Oct 09, 2026665No prior observation