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Contract OI history

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Nov 20, 2026 EXPIRATION

ASPN $5.00 Call

ASPN261120C00005000

Latest saved OI579Oct 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 $5.00 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. 5792890 2026-10-02: 568 OI2026-10-05: 568 OI2026-10-06: 568 OI2026-10-07: 568 OI2026-10-08: 568 OI2026-10-09: 568 OI2026-10-13: 569 OI2026-10-14: 579 OI2026-10-16: 579 OI2026-10-20: 579 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, 2026Viewing5790
Oct 16, 20265790
Oct 14, 2026579+10
Oct 13, 2026569+1
Oct 09, 20265680
Oct 08, 20265680
Oct 07, 20265680
Oct 06, 20265680
Oct 05, 20265680
Oct 02, 2026568No prior observation