OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

STEM $25.00 Call

STEM261218C00025000

Latest saved OI78Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
STEM $25.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 78390 2026-10-02: 78 OI2026-10-05: 78 OI2026-10-06: 78 OI2026-10-07: 78 OI2026-10-08: 78 OI2026-10-09: 78 OI2026-10-13: 78 OI2026-10-14: 78 OI2026-10-16: 78 OI2026-10-20: 78 OI2026-10-23: 78 OI Oct 02, 2026Oct 23, 2026

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

STEM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026780
Oct 20, 2026Viewing780
Oct 16, 2026780
Oct 14, 2026780
Oct 13, 2026780
Oct 09, 2026780
Oct 08, 2026780
Oct 07, 2026780
Oct 06, 2026780
Oct 05, 2026780
Oct 02, 202678No prior observation