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Contract OI history

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Mar 19, 2027 EXPIRATION

SFD $17.50 Put

SFD270319P00017500

Latest saved OI65Oct 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 $17.50 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. 65320 2026-10-09: 64 OI2026-10-13: 64 OI2026-10-14: 65 OI2026-10-15: 65 OI2026-10-20: 65 OI2026-10-23: 65 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, 2026Viewing650
Oct 20, 2026650
Oct 15, 2026650
Oct 14, 202665+1
Oct 13, 2026640
Oct 09, 202664No prior observation