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  • C vs CMCSA✓SelectedUSD · CMCSAC vs CMCSA performance historyLatest closeAs of-0.30%09/04
Stock and ETF performance explorer

C vs CMCSA

vs
1w1mo3mo6mo1y3y5y10yallcustom
Portfolio return
+44.9%
CMCSA return
-12.9%
Excess return
+57.8%
Maximum drawdown
-14.8%

Performance

Returns, benchmark comparison, and relative performance.

Performance by timeframe

Returns for 1y.

Portfolio and benchmark returns by period
PeriodPortfolioCMCSAExcessAlpha
1D-0.3%-0.6%+0.3%-0.3%
7D+3.6%-2.1%+5.7%+3.7%
30D+0.1%+7.0%-7.0%-0.1%
3M+2.4%+15.1%-12.7%+1.9%
6M+24.9%-15.4%+40.3%+26.7%
YTD+19.8%-1.9%+21.7%+19.7%
1Y+44.9%-12.7%+57.6%+47.7%
All+44.9%-12.9%+57.8%+47.7%

Cumulative growth

Daily Returns

Daily percentage return beside CMCSA.

Daily Out/Under-Performance

Portfolio return minus CMCSA return. Positive bars indicate outperformance.

Daily Alpha

Portfolio daily return minus β × CMCSA 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 1y: compounded portfolio wealth divided by compounded CMCSA 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…

1y analysis · Full analysis span regression · 6 months rolling