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Contract OI history

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Nov 13, 2026 EXPIRATION

SOFI $16.50 Put

SOFI261113P00016500

Latest saved OI528Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOFI $16.50 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. 5282640 2026-10-09: 323 OI2026-10-13: 373 OI2026-10-14: 373 OI2026-10-15: 473 OI2026-10-16: 501 OI2026-10-21: 525 OI2026-10-23: 528 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, 2026Viewing528+3
Oct 21, 2026525+24
Oct 16, 2026501+28
Oct 15, 2026473+100
Oct 14, 20263730
Oct 13, 2026373+50
Oct 09, 2026323No prior observation