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Contract OI history

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Nov 20, 2026 EXPIRATION

SDGR $27.50 Call

SDGR261120C00027500

Latest saved OI616Oct 23, 2026
Last change+15vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SDGR $27.50 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. 6163080 2026-10-09: 265 OI2026-10-13: 287 OI2026-10-14: 470 OI2026-10-16: 514 OI2026-10-20: 601 OI2026-10-23: 616 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, 2026Viewing616+15
Oct 20, 2026601+87
Oct 16, 2026514+44
Oct 14, 2026470+183
Oct 13, 2026287+22
Oct 09, 2026265No prior observation