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Contract OI history

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Nov 20, 2026 EXPIRATION

SFIX $2.50 Put

SFIX261120P00002500

Latest saved OI484Oct 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. 4842420 2026-10-08: 242 OI2026-10-09: 244 OI2026-10-13: 247 OI2026-10-14: 283 OI2026-10-16: 288 OI2026-10-20: 483 OI2026-10-23: 484 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, 2026484+1
Oct 20, 2026Viewing483+195
Oct 16, 2026288+5
Oct 14, 2026283+36
Oct 13, 2026247+3
Oct 09, 2026244+2
Oct 08, 2026242No prior observation