OITracker Cboe delayed data

Contract OI history

Back to SOFI

Dec 18, 2026 EXPIRATION

SOFI $19.00 Put

SOFI261218P00019000

Latest saved OI3,182Oct 23, 2026
Last change+8vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOFI $19.00 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. 3,1881,5940 2026-10-09: 3,014 OI2026-10-13: 3,185 OI2026-10-14: 3,185 OI2026-10-15: 3,188 OI2026-10-16: 3,183 OI2026-10-21: 3,174 OI2026-10-23: 3,182 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, 2026Viewing3,182+8
Oct 21, 20263,174-9
Oct 16, 20263,183-5
Oct 15, 20263,188+3
Oct 14, 20263,1850
Oct 13, 20263,185+171
Oct 09, 20263,014No prior observation