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  • C vs CMCSA✓SelectedUSD · CMCSAC vs CMCSA performance historyLatest closeAs of+2.45%11/09
Stock and ETF performance explorer

C vs CMCSA

vs
1w1mo3mo6mo1y3y5y10yallcustom
Portfolio return
+220.1%
CMCSA return
+10.7%
Excess return
+209.4%
Maximum drawdown
-56.5%

Performance

Returns, benchmark comparison, and relative performance.

Performance by timeframe

Returns for 10y.

Portfolio and benchmark returns by period
PeriodPortfolioCMCSAExcessAlpha
1D+2.5%+0.5%+2.0%+2.2%
7D-0.9%+2.7%-3.6%-2.3%
30D-5.4%+18.6%-24.0%-13.7%
3M-9.2%-1.8%-7.3%-9.1%
6M-1.8%-0.7%-1.2%-3.3%
YTD+6.7%-7.8%+14.5%+7.0%
1Y+23.5%+0.7%+22.8%+17.0%
3Y+219.8%-28.0%+247.7%+259.1%
5Y+112.4%-42.1%+154.5%+166.9%
10Y+220.1%+8.2%+211.9%+173.6%
All+220.1%+10.7%+209.4%+173.6%

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 10y: 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…

10y analysis · Full analysis span regression · 6 months rolling