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Contract OI history

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Dec 18, 2026 EXPIRATION

SOFI $15.00 Put

SOFI261218P00015000

Latest saved OI18,866Oct 23, 2026
Last change+327vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOFI $15.00 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. 18,8669,4330 2026-10-09: 16,854 OI2026-10-13: 17,283 OI2026-10-14: 17,283 OI2026-10-15: 17,507 OI2026-10-16: 17,499 OI2026-10-21: 18,539 OI2026-10-23: 18,866 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, 2026Viewing18,866+327
Oct 21, 202618,539+1,040
Oct 16, 202617,499-8
Oct 15, 202617,507+224
Oct 14, 202617,2830
Oct 13, 202617,283+429
Oct 09, 202616,854No prior observation