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Contract OI history

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Dec 18, 2026 EXPIRATION

SDGR $22.50 Call

SDGR261218C00022500

Latest saved OI1,877Oct 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 $22.50 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. 1,8779380 2026-10-09: 1,814 OI2026-10-13: 1,816 OI2026-10-14: 1,816 OI2026-10-16: 1,816 OI2026-10-20: 1,877 OI2026-10-23: 1,877 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, 2026Viewing1,8770
Oct 20, 20261,877+61
Oct 16, 20261,8160
Oct 14, 20261,8160
Oct 13, 20261,816+2
Oct 09, 20261,814No prior observation