OITracker Cboe delayed data

Contract OI history

Back to AMSC

Nov 20, 2026 EXPIRATION

AMSC $27.00 Call

AMSC261120C00027000

Latest saved OI130Oct 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 $27.00 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. 130650 2026-10-08: 1 OI2026-10-09: 1 OI2026-10-13: 1 OI2026-10-14: 127 OI2026-10-16: 126 OI2026-10-21: 129 OI2026-10-23: 130 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, 2026Viewing130+1
Oct 21, 2026129+3
Oct 16, 2026126-1
Oct 14, 2026127+126
Oct 13, 202610
Oct 09, 202610
Oct 08, 20261No prior observation