OITracker Cboe delayed data

Contract OI history

Back to SOFI

Nov 20, 2026 EXPIRATION

SOFI $20.00 Put

SOFI261120P00020000

Latest saved OI1,801Oct 23, 2026
Last change-46vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SOFI $20.00 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. 2,1461,0730 2026-10-09: 2,081 OI2026-10-13: 2,146 OI2026-10-14: 2,146 OI2026-10-15: 1,950 OI2026-10-16: 1,883 OI2026-10-21: 1,847 OI2026-10-23: 1,801 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, 2026Viewing1,801-46
Oct 21, 20261,847-36
Oct 16, 20261,883-67
Oct 15, 20261,950-196
Oct 14, 20262,1460
Oct 13, 20262,146+65
Oct 09, 20262,081No prior observation