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Contract OI history

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Jan 15, 2027 EXPIRATION

ASPN $25.00 Call

ASPN270115C00025000

Latest saved OI733Oct 20, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ASPN $25.00 call open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 7333660 2026-10-02: 733 OI2026-10-05: 733 OI2026-10-06: 733 OI2026-10-07: 733 OI2026-10-08: 733 OI2026-10-09: 733 OI2026-10-13: 733 OI2026-10-14: 733 OI2026-10-16: 733 OI2026-10-20: 733 OI Oct 02, 2026Oct 20, 2026

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

ASPN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing7330
Oct 16, 20267330
Oct 14, 20267330
Oct 13, 20267330
Oct 09, 20267330
Oct 08, 20267330
Oct 07, 20267330
Oct 06, 20267330
Oct 05, 20267330
Oct 02, 2026733No prior observation