OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

AMSC $25.00 Call

AMSC270115C00025000

Latest saved OI167Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
AMSC $25.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 168840 2026-10-08: 158 OI2026-10-09: 158 OI2026-10-13: 160 OI2026-10-14: 168 OI2026-10-16: 168 OI2026-10-21: 168 OI2026-10-23: 167 OI Oct 08, 2026Oct 23, 2026

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

AMSC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing167-1
Oct 21, 20261680
Oct 16, 20261680
Oct 14, 2026168+8
Oct 13, 2026160+2
Oct 09, 20261580
Oct 08, 2026158No prior observation