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Contract OI history

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Nov 20, 2026 EXPIRATION

SFD $20.00 Put

SFD261120P00020000

Latest saved OI282Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SFD $20.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2831410 2026-10-09: 238 OI2026-10-13: 251 OI2026-10-14: 283 OI2026-10-15: 283 OI2026-10-20: 282 OI2026-10-23: 282 OI Oct 09, 2026Oct 23, 2026

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

SFD contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2820
Oct 20, 2026282-1
Oct 15, 20262830
Oct 14, 2026283+32
Oct 13, 2026251+13
Oct 09, 2026238No prior observation