OITracker Cboe delayed data

Contract OI history

Back to SOFI

Jan 15, 2027 EXPIRATION

SOFI $18.00 Put

SOFI270115P00018000

Latest saved OI8,849Oct 23, 2026
Last change-50vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOFI $18.00 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. 9,0724,5360 2026-10-09: 8,944 OI2026-10-13: 9,049 OI2026-10-14: 9,049 OI2026-10-15: 8,956 OI2026-10-16: 9,072 OI2026-10-21: 8,899 OI2026-10-23: 8,849 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, 2026Viewing8,849-50
Oct 21, 20268,899-173
Oct 16, 20269,072+116
Oct 15, 20268,956-93
Oct 14, 20269,0490
Oct 13, 20269,049+105
Oct 09, 20268,944No prior observation