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  • CMCSA vs CIEN✓SelectedUSD · CIENCMCSA vs CIEN performance historyLatest closeAs of-0.60%09/04
Stock and ETF performance explorer

CMCSA vs CIEN

vs
1w1mo3mo6mo1y3y5y10yallcustom
Portfolio return
+15.1%
CIEN return
-41.9%
Excess return
+57.0%
Maximum drawdown
-9.5%

Performance

Returns, benchmark comparison, and relative performance.

Performance by timeframe

Returns for 3mo.

Portfolio and benchmark returns by period
PeriodPortfolioCIENExcessAlpha
1D-0.6%+1.1%-1.7%-0.5%
7D-2.1%-15.2%+13.1%-4.1%
30D+7.0%-21.5%+28.5%+3.9%
3M+15.1%-40.1%+55.2%+11.6%
All+15.1%-41.9%+57.0%+11.6%

Cumulative growth

Daily Returns

Daily percentage return beside CIEN.

Daily Out/Under-Performance

Portfolio return minus CIEN return. Positive bars indicate outperformance.

Daily Alpha

Portfolio daily return minus β × CIEN return. Early observations use the first valid beta; later observations use the trailing beta estimated for each date.

Cumulative Out/Under-Performance

Relative wealth over 3mo: compounded portfolio wealth divided by compounded CIEN wealth, less one. Both series rebase at the selected span's start.

Cumulative Alpha

Compounded beta-adjusted residual returns apply the first valid beta to early observations, then the trailing beta ending on each date.

Updating return analytics…

3mo analysis · Full analysis span regression · Available span rolling