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  • XLK vs CMCSA✓SelectedUSD · CMCSAXLK vs CMCSA performance historyLatest closeAs of+0.70%09/04
Stock and ETF performance explorer

XLK vs CMCSA

vs
1w1mo3mo6mo1y3y5y10yallcustom
Portfolio return
+43.4%
CMCSA return
-12.9%
Excess return
+56.3%
Maximum drawdown
-15.9%

Performance

Returns, benchmark comparison, and relative performance.

Performance by timeframe

Returns for 1y.

Portfolio and benchmark returns by period
PeriodPortfolioCMCSAExcessAlpha
1D+0.7%-0.6%+1.3%+0.6%
7D+0.9%-2.1%+3.0%+0.5%
30D+0.7%+7.0%-6.3%+1.8%
3M-2.9%+15.1%-18.0%-0.6%
6M+34.3%-15.4%+49.6%+32.5%
YTD+30.4%-1.9%+32.3%+30.9%
1Y+43.4%-12.7%+56.1%+40.6%
All+43.4%-12.9%+56.3%+40.6%

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 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