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Contract OI history

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Nov 27, 2026 EXPIRATION

SOFI $15.50 Put

SOFI261127P00015500

Latest saved OI1,032Oct 23, 2026
Last change+149vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOFI $15.50 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. 1,0325160 2026-10-09: 245 OI2026-10-13: 312 OI2026-10-14: 312 OI2026-10-15: 337 OI2026-10-16: 425 OI2026-10-21: 883 OI2026-10-23: 1,032 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, 2026Viewing1,032+149
Oct 21, 2026883+458
Oct 16, 2026425+88
Oct 15, 2026337+25
Oct 14, 20263120
Oct 13, 2026312+67
Oct 09, 2026245No prior observation