OITracker Cboe delayed data

Contract OI history

Back to SDGR

Nov 20, 2026 EXPIRATION

SDGR $17.50 Put

SDGR261120P00017500

Latest saved OI480Oct 23, 2026
Last change+25vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SDGR $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. 4802400 2026-10-09: 366 OI2026-10-13: 376 OI2026-10-14: 381 OI2026-10-16: 381 OI2026-10-20: 455 OI2026-10-23: 480 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, 2026Viewing480+25
Oct 20, 2026455+74
Oct 16, 20263810
Oct 14, 2026381+5
Oct 13, 2026376+10
Oct 09, 2026366No prior observation