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  • COST vs MAGS✓SelectedUSD · MAGSCOST vs MAGS performance historyLatest closeAs of-0.61%09/08
Stock and ETF performance explorer

COST vs MAGS

vs
1w1mo3mo6mo1y3y5y10yallcustom
Portfolio return
-6.5%
MAGS return
+3.3%
Excess return
-9.7%
Maximum drawdown
-7.6%

Performance

Returns, benchmark comparison, and relative performance.

Performance by timeframe

Returns for 3mo.

Portfolio and benchmark returns by period
PeriodPortfolioMAGSExcessAlpha
1D-0.6%-0.5%-0.1%-0.7%
7D-3.2%+1.2%-4.4%-3.0%
30D-4.0%-0.1%-3.9%-4.0%
3M-6.5%+3.8%-10.3%-5.8%
All-6.5%+3.3%-9.7%-5.8%

Cumulative growth

Daily Returns

Daily percentage return beside MAGS.

Daily Out/Under-Performance

Portfolio return minus MAGS return. Positive bars indicate outperformance.

Daily Alpha

Portfolio daily return minus β × MAGS 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 3mo: compounded portfolio wealth divided by compounded MAGS 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…

3mo analysis · Full analysis span regression · Available span rolling