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  • COST vs BA✓SelectedUSD · BACOST vs BA performance historyLatest closeAs of+1.28%11/13
Stock and ETF performance explorer

COST vs BA

vs
1w1mo3mo6mo1y3y5y10yallcustom
Portfolio return
+99.0%
BA return
-15.7%
Excess return
+114.7%
Maximum drawdown
-20.7%

Performance

Returns, benchmark comparison, and relative performance.

Performance by timeframe

Returns for 3y.

Portfolio and benchmark returns by period
PeriodPortfolioBAExcessAlpha
1D+1.3%0.0%+1.3%+1.3%
7D+5.0%-1.1%+6.1%+5.1%
30D+12.8%-7.1%+19.9%+13.6%
3M+15.2%-25.5%+40.7%+18.9%
6M+7.4%-28.7%+36.1%+11.3%
YTD+29.0%-21.0%+50.0%+31.7%
1Y+20.3%-11.9%+32.1%+20.7%
3Y+99.0%-16.2%+115.1%+92.8%
All+99.0%-15.7%+114.7%+92.8%

Cumulative growth

Daily Returns

Daily percentage return beside BA.

Daily Out/Under-Performance

Portfolio return minus BA return. Positive bars indicate outperformance.

Daily Alpha

Portfolio daily return minus β × BA 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 3y: compounded portfolio wealth divided by compounded BA 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…

3y analysis · Full analysis span regression · 6 months rolling