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Contract OI history

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Dec 18, 2026 EXPIRATION

SDGR $20.00 Call

SDGR261218C00020000

Latest saved OI712Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SDGR $20.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 7133560 2026-10-09: 713 OI2026-10-13: 713 OI2026-10-14: 713 OI2026-10-16: 713 OI2026-10-20: 712 OI2026-10-23: 712 OI Oct 09, 2026Oct 23, 2026

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

SDGR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing7120
Oct 20, 2026712-1
Oct 16, 20267130
Oct 14, 20267130
Oct 13, 20267130
Oct 09, 2026713No prior observation