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Contract OI history

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Nov 20, 2026 EXPIRATION

ASPN $7.50 Call

ASPN261120C00007500

Latest saved OI1,137Oct 20, 2026
Last change-17vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ASPN $7.50 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. 1,1545770 2026-10-02: 760 OI2026-10-05: 772 OI2026-10-06: 779 OI2026-10-07: 839 OI2026-10-08: 845 OI2026-10-09: 845 OI2026-10-13: 847 OI2026-10-14: 947 OI2026-10-16: 1,154 OI2026-10-20: 1,137 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, 2026Viewing1,137-17
Oct 16, 20261,154+207
Oct 14, 2026947+100
Oct 13, 2026847+2
Oct 09, 20268450
Oct 08, 2026845+6
Oct 07, 2026839+60
Oct 06, 2026779+7
Oct 05, 2026772+12
Oct 02, 2026760No prior observation