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  • C vs CMCSA✓SelectedUSD · CMCSAC vs CMCSA performance historyLatest closeAs of+0.51%09/10
Stock and ETF performance explorer

C vs CMCSA

vs
1w1mo3mo6mo1y3y5y10yallcustom
Portfolio return
+45.5%
CMCSA return
-16.0%
Excess return
+61.6%
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+0.5%+2.4%-1.9%+0.4%
7D+0.3%-5.6%+5.8%+0.4%
30D+2.0%-1.9%+3.9%+2.1%
3M+4.4%+6.4%-2.1%+4.1%
6M+28.3%-16.9%+45.3%+30.0%
YTD+20.5%-6.8%+27.3%+20.5%
1Y+45.5%-15.9%+61.4%+50.0%
All+45.5%-16.0%+61.6%+50.0%

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