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Re: [amibroker] The SHARPE ratio in the Nikkei2003 timer



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Yuki,As you see, the Sharpe Ratio is much better for the 
Long side and this is the reason for the final 
2.27 .                                 
                                    
All trades     Long trades      
Short trades Sharpe Ratio of 
trades        
2.27              
5.99                  
0.73 
K-Ratio                             
0.64              
0.76                  
0.02 
The All trades result is not a safe criterion for the 
situation.Dimitris Tsokakis


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Title: nikkeiOpt - Backtest Report



<A 
href=""><FONT 
class=SELTAB>Statistics | <A 
href="">Charts 
| <A 
href="">Trades 
| <A 
href="">Formula 
| <A 
href="">Settings 
| <A 
href="">Symbols

  
  
    Statistics

  
  
     
    All trades
    Long trades
    Short trades
  
    Initial capital
    10000.00
    10000.00
    10000.00
  
    Ending capital
    14630.83
    13971.98
    10658.85
  
    Net Profit
    4630.83
    3971.98
    658.85
  
    Net Profit %
    46.31 %
    39.72 %
    6.59 %
  
    <TH 
    title="Market exposure of the trading system calculated on bar by bar basis. Sum of bar exposures divided by number of bars. Single bar exposure is the value of open positions divided by portfolio equity.">Exposure 
      %
    18.69 %
    13.78 %
    4.91 %
  
    Net Risk Adjusted Return 
    %
    247.77 %
    288.32 %
    134.09 %
  
    Annual Return %
    9.46 %
    8.27 %
    1.53 %
  
    Risk Adjusted Return 
%
    50.64 %
    60.05 %
    31.09 %
  
    
      
    
  
    All trades
    8
    4 (50.00 %)
    4 (50.00 %)
  
    <TH 
      title="(Profit of winners + Loss of losers)/(number of trades)"> Avg. 
      Profit/Loss
    578.85
    993.00
    164.71
  
    <TH 
      title="(% Profit of winners + % Loss of losers)/(number of trades)"> Avg. 
      Profit/Loss %
    5.09 %
    8.86 %
    1.32 %
  
     Avg. Bars Held
    25.25
    36.75
    13.75
  
    
      
    
  
    Winners
    6 (75.00 %)
    4 (50.00 %)
    2 (25.00 %)
  
     Total Profit
    5384.68
    3971.98
    1412.70
  
     Avg. Profit
    897.45
    993.00
    706.35
  
     Avg. 
      Profit %
    7.99 %
    8.86 %
    6.27 %
  
     Avg. Bars Held
    31.17
    36.75
    20.00
  
     Max. Consecutive
    5
    4
    2
  
     Largest win
    1401.69
    1401.69
    1312.80
  
     # bars in largest win
    53
    53
    23
  
    
      
    
  
    Losers
    2 (25.00 %)
    0 (0.00 %)
    2 (25.00 %)
  
     Total Loss
    -753.85
    0.00
    -753.85
  
     Avg. Loss
    -376.92
    N/A
    -376.92
  
     Avg. Loss 
    %
    -3.62 %
    N/A 
    -3.62 %
  
     Avg. Bars Held
    7.50
    N/A
    7.50
  
     Max. Consecutive
    1
    0
    2
  
     Largest loss
    -394.70
    0.00
    -394.70
  
     # bars in largest loss
    6
    0
    6
  
    
      
    
  
    <TH 
    title="The largest peak to valley decline experienced in any single trade">Max. 
      trade drawdown
    -1501.88
    -811.00
    -1501.88
  
    <TH 
    title="The largest peak to valley percentage decline experienced in any single trade">Max. 
      trade % drawdown
    -11.83 %
    -7.38 %
    -11.83 %
  
    <TH 
    title="The largest peak to valley decline experienced in portfolio equity">Max. 
      system drawdown
    -929.70
    -811.00
    -893.52
  
    <TH 
    title="The largest peak to valley percentage decline experienced in portfolio equity">Max. 
      system % drawdown
    -7.72 %
    -7.00 %
    -8.94 %
  
    Recovery Factor
    4.98
    4.90
    0.74
  
    <TH 
      title="Compound Annual % Return divided by Max. system % drawdown">CAR/MaxDD
    1.23
    1.18
    0.17
  
    <TH 
      title="Risk Adjusted Return divided by Max. system % drawdown">RAR/MaxDD
    6.56
    8.58
    3.48
  
    Profit Factor
    7.14
    N/A
    1.87
  
    Payoff Ratio
    2.38
    N/A
    1.87
  
    <TH 
    title="Standard error measures chopiness of equity line. The lower the better.">Standard 
      Error
    827.59
    694.13
    235.28
  
    <TH 
    title="Measure of the relation between the risk inherent in a trading the system compared to its potential gain. Higher is better. Calculated as slope of equity line (expected annual return) divided by its standard error. ">Risk-Reward 
      Ratio
    0.53
    0.62
    0.02
  
    <TH 
    title="Square root of sum of squared drawdowns divided by number of bars">Ulcer 
      Index
    1.35
    1.04
    1.86
  
    Ulcer 
      Performance Index
    3.01
    2.77
    -2.09
  
    <TH 
    title="Measure of risk adjusted return of investment. Above 1.0 is good, more than 2.0 is excellent.">Sharpe 
      Ratio of trades
    2.27
    5.99
    0.73
  
    K-Ratio
    0.64
    0.76
    0.02