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Contract OI history

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Nov 20, 2026 EXPIRATION

ATRO $75.00 Call

ATRO261120C00075000

Latest saved OI97Oct 20, 2026
Last change+3vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ATRO $75.00 call open interest history 6 saved observations from 2026-10-08 to 2026-10-20. Exact values and changes are listed in the table below. 97480 2026-10-08: 17 OI2026-10-09: 17 OI2026-10-13: 61 OI2026-10-14: 61 OI2026-10-16: 94 OI2026-10-20: 97 OI Oct 08, 2026Oct 20, 2026

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

ATRO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing97+3
Oct 16, 202694+33
Oct 14, 2026610
Oct 13, 202661+44
Oct 09, 2026170
Oct 08, 202617No prior observation