OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

SFIX $2.50 Put

SFIX270115P00002500

Latest saved OI3,139Oct 23, 2026
Last change-1vs 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. 3,1401,5700 2026-10-08: 3,120 OI2026-10-09: 3,120 OI2026-10-13: 3,120 OI2026-10-14: 3,130 OI2026-10-16: 3,130 OI2026-10-20: 3,140 OI2026-10-23: 3,139 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, 20263,139-1
Oct 20, 2026Viewing3,140+10
Oct 16, 20263,1300
Oct 14, 20263,130+10
Oct 13, 20263,1200
Oct 09, 20263,1200
Oct 08, 20263,120No prior observation