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  • CMCSA vs Z✓SelectedUSD · ZCMCSA vs Z performance historyLatest closeAs of-6.61%09/09
Stock and ETF performance explorer

CMCSA vs Z

vs
1w1mo3mo6mo1y3y5y10yallcustom
Portfolio return
-18.3%
Z return
-64.1%
Excess return
+45.8%
Maximum drawdown
-30.8%

Performance

Returns, benchmark comparison, and relative performance.

Performance by timeframe

Returns for 1y.

Portfolio and benchmark returns by period
PeriodPortfolioZExcessAlpha
1D-6.6%-0.7%-5.9%-6.5%
7D-8.3%-7.1%-1.2%-7.6%
30D-2.4%-4.8%+2.3%-2.0%
3M+4.5%-9.3%+13.8%+4.5%
6M-18.8%-29.0%+10.2%-18.5%
YTD-8.9%-52.9%+44.0%-6.5%
1Y-18.3%-63.1%+44.8%-16.3%
All-18.3%-64.1%+45.8%-16.3%

Cumulative growth

Daily Returns

Daily percentage return beside Z.

Daily Out/Under-Performance

Portfolio return minus Z return. Positive bars indicate outperformance.

Daily Alpha

Portfolio daily return minus β × Z 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 Z 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