OITracker Cboe delayed data

Contract OI history

Back to SOFI

Oct 23, 2026 EXPIRATION

SOFI $16.50 Put

SOFI261023P00016500

Latest saved OI34Oct 23, 2026
Last change-3,225vs 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. 4,4902,2450 2026-10-09: 4,122 OI2026-10-13: 4,490 OI2026-10-14: 4,490 OI2026-10-15: 3,986 OI2026-10-16: 3,966 OI2026-10-21: 3,259 OI2026-10-23: 34 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, 2026Viewing34-3,225
Oct 21, 20263,259-707
Oct 16, 20263,966-20
Oct 15, 20263,986-504
Oct 14, 20264,4900
Oct 13, 20264,490+368
Oct 09, 20264,122No prior observation