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  • C vs CMCSA✓SelectedUSD · CMCSAC vs CMCSA performance historyLatest closeAs of-0.12%11/12
Stock and ETF performance explorer

C vs CMCSA

vs
1w1mo3mo6mo1y3y5y10yallcustom
Portfolio return
+207.2%
CMCSA return
+4.9%
Excess return
+202.3%
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-0.1%-0.9%+0.8%+0.3%
7D+4.7%-0.6%+5.3%+5.0%
30D+0.2%+18.8%-18.6%-8.6%
3M-9.3%-1.1%-8.2%-9.6%
6M-0.8%+2.5%-3.4%-4.0%
YTD+8.5%-6.7%+15.2%+8.2%
1Y+23.1%0.0%+23.1%+17.3%
3Y+220.8%-28.9%+249.7%+263.7%
5Y+112.4%-41.1%+153.5%+164.4%
All+207.2%+4.9%+202.3%+173.5%

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