OITracker Cboe delayed data

Contract OI history

Back to SFIX

Jan 21, 2028 EXPIRATION

SFIX $2.50 Put

SFIX280121P00002500

Latest saved OI1,893Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
SFIX $2.50 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 1,9149570 2026-10-08: 1,909 OI2026-10-09: 1,909 OI2026-10-13: 1,909 OI2026-10-14: 1,914 OI2026-10-16: 1,909 OI2026-10-20: 1,893 OI2026-10-23: 1,893 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

SFIX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261,8930
Oct 20, 2026Viewing1,893-16
Oct 16, 20261,909-5
Oct 14, 20261,914+5
Oct 13, 20261,9090
Oct 09, 20261,9090
Oct 08, 20261,909No prior observation