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

COST vs ATI

vs
1w1mo3mo6mo1y3y5y10yallcustom
Portfolio return
+7.4%
ATI return
+13.5%
Excess return
-6.1%
Maximum drawdown
-18.2%

Performance

Returns, benchmark comparison, and relative performance.

Performance by timeframe

Returns for 6mo.

Portfolio and benchmark returns by period
PeriodPortfolioATIExcessAlpha
1D+1.3%-3.7%+5.0%+0.7%
7D+5.0%+4.2%+0.8%+5.7%
30D+12.8%-2.5%+15.3%+12.1%
3M+15.2%-19.4%+34.6%+10.1%
6M+7.4%+11.1%-3.7%+13.6%
All+7.4%+13.5%-6.1%+13.6%

Cumulative growth

Daily Returns

Daily percentage return beside ATI.

Daily Out/Under-Performance

Portfolio return minus ATI return. Positive bars indicate outperformance.

Daily Alpha

Portfolio daily return minus β × ATI 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 6mo: compounded portfolio wealth divided by compounded ATI 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…

6mo analysis · Full analysis span regression · 6 months rolling