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  • KOSS vs SPY✓SelectedUSD · SPYKOSS vs SPY performance historyLatest closeAs of+1.85%11/11
Stock and ETF performance explorer

KOSS vs SPY

vs
1w1mo3mo6mo1y3y5y10yallcustom
Portfolio return
+24.0%
SPY return
+79.4%
Excess return
-55.4%
Maximum drawdown
-77.3%

Performance

Returns, benchmark comparison, and relative performance.

Performance by timeframe

Returns for 3y.

Portfolio and benchmark returns by period
PeriodPortfolioSPYExcessAlpha
1D+1.8%+1.3%+0.5%0.0%
7D+0.9%-0.9%+1.8%+2.4%
30D-13.8%-2.4%-11.5%-10.7%
3M-11.5%-1.2%-10.3%-10.1%
6M-15.1%+3.3%-18.4%-19.4%
YTD-20.0%+12.3%-32.3%-32.7%
1Y-33.9%+12.4%-46.4%-44.5%
All+24.0%+79.4%-55.4%-31.7%

Cumulative growth

Daily Returns

Daily percentage return beside SPY.

Daily Out/Under-Performance

Portfolio return minus SPY return. Positive bars indicate outperformance.

Daily Alpha

Portfolio daily return minus β × SPY 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 SPY 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