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Contract OI history

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Jan 15, 2027 EXPIRATION

ASPN $20.00 Call

ASPN270115C00020000

Latest saved OI1,827Oct 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 $20.00 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. 1,8279130 2026-10-02: 1,827 OI2026-10-05: 1,827 OI2026-10-06: 1,827 OI2026-10-07: 1,827 OI2026-10-08: 1,827 OI2026-10-09: 1,827 OI2026-10-13: 1,827 OI2026-10-14: 1,827 OI2026-10-16: 1,827 OI2026-10-20: 1,827 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, 2026Viewing1,8270
Oct 16, 20261,8270
Oct 14, 20261,8270
Oct 13, 20261,8270
Oct 09, 20261,8270
Oct 08, 20261,8270
Oct 07, 20261,8270
Oct 06, 20261,8270
Oct 05, 20261,8270
Oct 02, 20261,827No prior observation