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Contract OI history

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Jan 21, 2028 EXPIRATION

SFM $55.00 Put

SFM280121P00055000

Latest saved OI127Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SFM $55.00 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. 127630 2026-10-09: 124 OI2026-10-13: 124 OI2026-10-14: 124 OI2026-10-15: 125 OI2026-10-16: 125 OI2026-10-21: 125 OI2026-10-23: 127 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, 2026Viewing127+2
Oct 21, 20261250
Oct 16, 20261250
Oct 15, 2026125+1
Oct 14, 20261240
Oct 13, 20261240
Oct 09, 2026124No prior observation