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Contract OI history

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Nov 13, 2026 EXPIRATION

SOFI $11.50 Put

SOFI261113P00011500

Latest saved OI138Oct 23, 2026
Last change+16vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOFI $11.50 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. 138690 2026-10-09: 61 OI2026-10-13: 61 OI2026-10-14: 61 OI2026-10-15: 75 OI2026-10-16: 85 OI2026-10-21: 122 OI2026-10-23: 138 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, 2026Viewing138+16
Oct 21, 2026122+37
Oct 16, 202685+10
Oct 15, 202675+14
Oct 14, 2026610
Oct 13, 2026610
Oct 09, 202661No prior observation