OITracker Cboe delayed data

Contract OI history

Back to SFIX

Mar 19, 2027 EXPIRATION

SFIX $2.50 Put

SFIX270319P00002500

Latest saved OI307Oct 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. 3071530 2026-10-08: 297 OI2026-10-09: 297 OI2026-10-13: 297 OI2026-10-14: 297 OI2026-10-16: 307 OI2026-10-20: 307 OI2026-10-23: 307 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, 20263070
Oct 20, 2026Viewing3070
Oct 16, 2026307+10
Oct 14, 20262970
Oct 13, 20262970
Oct 09, 20262970
Oct 08, 2026297No prior observation