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Contract OI history

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Nov 20, 2026 EXPIRATION

SDGR $22.50 Put

SDGR261120P00022500

Latest saved OI582Oct 23, 2026
Last change+10vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SDGR $22.50 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. 5822910 2026-10-09: 472 OI2026-10-13: 527 OI2026-10-14: 531 OI2026-10-16: 530 OI2026-10-20: 572 OI2026-10-23: 582 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, 2026Viewing582+10
Oct 20, 2026572+42
Oct 16, 2026530-1
Oct 14, 2026531+4
Oct 13, 2026527+55
Oct 09, 2026472No prior observation