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Contract OI history

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Jan 21, 2028 EXPIRATION

SFM $50.00 Put

SFM280121P00050000

Latest saved OI873Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SFM $50.00 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. 8914450 2026-10-09: 891 OI2026-10-13: 872 OI2026-10-14: 872 OI2026-10-15: 872 OI2026-10-16: 872 OI2026-10-21: 873 OI2026-10-23: 873 OI Oct 09, 2026Oct 23, 2026

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

SFM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing8730
Oct 21, 2026873+1
Oct 16, 20268720
Oct 15, 20268720
Oct 14, 20268720
Oct 13, 2026872-19
Oct 09, 2026891No prior observation