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

COST vs RMBS

vs
1w1mo3mo6mo1y3y5y10yallcustom
Portfolio return
-9.2%
RMBS return
+1.4%
Excess return
-10.6%
Maximum drawdown
-16.7%

Performance

Returns, benchmark comparison, and relative performance.

Performance by timeframe

Returns for 6mo.

Portfolio and benchmark returns by period
PeriodPortfolioRMBSExcessAlpha
1D-0.6%+1.7%-2.3%-0.5%
7D-3.2%+3.0%-6.1%-3.0%
30D-4.0%-14.4%+10.4%-4.9%
3M-6.5%-42.8%+36.4%-8.4%
All-9.2%+1.4%-10.6%-9.0%

Cumulative growth

Daily Returns

Daily percentage return beside RMBS.

Daily Out/Under-Performance

Portfolio return minus RMBS return. Positive bars indicate outperformance.

Daily Alpha

Portfolio daily return minus β × RMBS 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 RMBS 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