OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

AMSC $55.00 Call

AMSC270115C00055000

Latest saved OI664Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
AMSC $55.00 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. 6813400 2026-10-08: 681 OI2026-10-09: 672 OI2026-10-13: 672 OI2026-10-14: 674 OI2026-10-16: 674 OI2026-10-21: 664 OI2026-10-23: 664 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, 2026Viewing6640
Oct 21, 2026664-10
Oct 16, 20266740
Oct 14, 2026674+2
Oct 13, 20266720
Oct 09, 2026672-9
Oct 08, 2026681No prior observation