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Thank
you Hermand and Dave, but I dont think that would give me
drawdown.
Max
drawdown is defined by the largest peak to valley decline experienced in any
single trade.
But
Herman your code has inspired me to try the following:
<SPAN
class=836523104-18012004>------------------------------------------------------
<FONT
color=#0000ff>Filter=Buy OR
Sell;
<FONT
size=2>eq=Equity(<SPAN
class=836523104-18012004>0);<FONT
size=1>
<SPAN
class=836523104-18012004>heq=HighestSince(Buy,eq);<FONT
size=1>
<SPAN
class=836523104-18012004>leq=LowestSince(Buy,<SPAN
class=836523104-18012004>eq);
<FONT face=Arial color=#0000ff
size=2>dr=heq-leq;
<FONT face=Arial
color=#0000ff
size=2>--------------------------------------------------------<FONT
size=1>
<TABLE cellSpacing=0
cellPadding=0 width=547 border=0 x:str>
<COL
width=99>
<COL
span=2 width=0>
<TD
width=64 height=17>Ticker
<TD
width=99>Date/Time
<TD
width=64>Buy
<TD
width=64>Sell
<TD
width=64>equity
<TD
width=64>heq
<TD
width=64>leq
<TD
width=64>Dr
<TD
height=17>ALL
<TD class=xl22
align=right x:num="36587">2/03/2000
<TD
align=right x:num>0
<TD
align=right x:num>1
<TD
align=right x:num="148048.23">148048.2
<TD
align=right x:num="174174.17">174174.2
<TD
align=right x:num="148048.23">148048.2
<TD
align=right x:num>26125.94
<TD class=xl23
height=17>ALL
<TD class=xl24
align=right x:num="36592">7/03/2000
<TD class=xl23
align=right x:num>0
<TD class=xl23
align=right x:num>1
<TD class=xl23
align=right x:num="143956.66">143956.7
<TD class=xl23
align=right x:num="174174.17">174174.2
<TD class=xl23
align=right x:num="143956.66">143956.7
<TD class=xl23
align=right x:num="30217.52">30217.52
<TD
height=17>ALL
<TD class=xl22
align=right x:num="36598">13/03/2000
<TD
align=right x:num>0
<TD
align=right x:num>1
<TD
align=right x:num="143956.66">143956.7
<TD
align=right x:num="174174.17">174174.2
<TD
align=right x:num="143956.66">143956.7
<TD
align=right x:num="30217.52">30217.52
<TD
height=17>ALL
<TD class=xl22
align=right x:num="36612">27/03/2000
<TD
align=right x:num>0
<TD
align=right x:num>1
<TD
align=right x:num="143956.66">143956.7
<TD
align=right x:num="174174.17">174174.2
<TD
align=right x:num="143956.66">143956.7
<TD
align=right x:num="30217.52">30217.52
<TD
height=17>ALL
<TD class=xl22
align=right x:num="36650">4/05/2000
<TD
align=right x:num>0
<TD
align=right x:num>1
<TD
align=right x:num="143956.66">143956.7
<TD
align=right x:num="174174.17">174174.2
<TD
align=right x:num="143956.66">143956.7
<TD
align=right x:num="30217.52">30217.52
<TD
height=17>ALL
<TD class=xl22
align=right x:num="36679">2/06/2000
<TD
align=right x:num>0
<TD
align=right x:num>1
<TD
align=right x:num="143956.66">143956.7
<TD
align=right x:num="174174.17">174174.2
<TD
align=right x:num="143956.66">143956.7
<TD
align=right x:num="30217.52">30217.52
<TD
height=17>ALL
<TD class=xl22
align=right x:num="36699">22/06/2000
<TD
align=right x:num>1
<TD
align=right x:num>0
<TD
align=right x:num="143956.66">143956.7
<TD
align=right x:num="143956.66">143956.7
<TD
align=right x:num="143956.66">143956.7
<TD
align=right x:num>0
<TD
height=17>ALL
<TD class=xl22
align=right x:num="36710">3/07/2000
<TD
align=right x:num>1
<TD
align=right x:num>0
<TD
align=right x:num="144272.95">144273
<TD
align=right x:num="144272.95">144273
<TD
align=right x:num="144272.95">144273
<TD
align=right x:num><FONT face=Arial
size=2>0
<FONT face=Arial color=#0000ff
size=2>
The
lowest drawdown in the trade list is indeed 30127.52. However, you all
know that backtester takes the first sell signal and ignore the rest.
the
correct max drawdown backtester should report should be identical if we instead
you the following
<SPAN
class=836523104-18012004>------------------------------------------------------
<SPAN
class=836523104-18012004>
<FONT
color=#0000ff>Filter=Buy OR
Sell;
<FONT
size=2>eq=Equity(<SPAN
class=836523104-18012004>1);<SPAN
class=836523104-18012004> //this change should reflect
backtester
<SPAN
class=836523104-18012004>heq=HighestSince(Buy,eq);<FONT
size=1>
<SPAN
class=836523104-18012004>leq=LowestSince(Buy,<SPAN
class=836523104-18012004>eq);
<FONT face=Arial color=#0000ff
size=2>dr=heq-leq;
<FONT face=Arial
color=#0000ff
size=2>--------------------------------------------------------
<FONT face=Arial color=#0000ff
size=2>
<TABLE cellSpacing=0
cellPadding=0 width=547 border=0 x:str>
<COL
width=99>
<COL
span=2 width=0>
<TD
width=64 height=17>Ticker
<TD
width=99>Date/Time
<TD
width=64>Buy
<TD
width=64>Sell
<TD
width=64>equity
<TD
width=64>heq
<TD
width=64>leq
<TD
width=64>Dr
<TD class=xl25
height=17>ALL
<TD class=xl26
align=right x:num="36587">2/03/2000
<TD class=xl25
align=right x:num>0
<TD class=xl25
align=right x:num>1
<TD class=xl25
align=right x:num="148048.23">148048.2
<TD class=xl25
align=right x:num="174174.17">174174.2
<TD class=xl25
align=right x:num="148048.23">148048.2
<TD class=xl25
align=right x:num><FONT
size=2>26125.94<SPAN
class=836523104-18012004><FONT face=Arial color=#0000ff
size=2>
<FONT
size=1>
<SPAN
class=836523104-18012004><FONT
face=Tahoma><FONT face=Arial
color=#0000ff>As far as I know, the max draw down should be 26,125.94
instead of 30,217.52 as the backtester should have sold at the
first sell signal.
<FONT
face=Arial color=#0000ff>Am I correct or I have missed something?
Can somebody shed some light on this?
<SPAN
class=836523104-18012004>
<SPAN
class=836523104-18012004>Paul.
<SPAN
class=836523104-18012004><FONT
size=2>
<SPAN
class=836523104-18012004>
<SPAN
class=836523104-18012004>
<SPAN
class=836523104-18012004>
<SPAN
class=836523104-18012004>
<SPAN
class=836523104-18012004> -----Original Message-----From:
Herman vandenBergen [mailto:psytek@xxxxxxxx] Sent: Sunday, 18 January
2004 1:19 PMTo: amibroker@xxxxxxxxxxxxxxxSubject: RE:
[amibroker] Max Trade drawdown
<FONT face=Arial color=#0000ff
size=2>You could have a look at your trade profits, I like to plot
with something like this (not verified):
<FONT face=Arial color=#0000ff
size=2>
<FONT
color=#ff0000>Buy=<FONT
color=#0000ff>Cross( <FONT
color=#0000ff>MACD(), <FONT
color=#0000ff>Signal<FONT
color=#000000>() ); Sell<FONT
color=#000000> = Cross(
Signal(), <FONT
color=#0000ff>MACD<FONT
color=#000000>() ); Short<FONT
color=#000000> = <FONT
color=#ff0000>Sell<FONT
face=Arial>; <FONT
color=#ff0000>Cover = <FONT
color=#ff0000>Buy<FONT
face=Arial>; E=<FONT
color=#0000ff>Equity(<FONT
color=#ff00ff>0<FONT
color=#000000>); LongProfit = IIf<FONT
color=#000000>(Ref<FONT
color=#000000>(Sell<FONT
color=#000000>,-1),E -
ValueWhen(<FONT
color=#0000ff>Ref(<FONT
color=#ff0000>Buy,-<FONT
color=#ff00ff>1),E),<FONT
color=#ff00ff>0)/<FONT
color=#0000ff>ValueWhen(<FONT
color=#0000ff>Ref(<FONT
color=#ff0000>Buy,-<FONT
color=#ff00ff>1),E)*<FONT
color=#ff00ff>100<FONT
color=#000000>; ShortProfit = IIf<FONT
color=#000000>(Ref<FONT
color=#000000>(Cover<FONT
color=#000000>,-1<FONT
color=#000000>),E-ValueWhen<FONT
color=#000000>(Ref<FONT
color=#000000>(Short<FONT
color=#000000>,-1<FONT
color=#000000>),E),0<FONT
color=#000000>)/ValueWhen<FONT
color=#000000>(Ref<FONT
color=#000000>(Short<FONT
color=#000000>,-1<FONT
color=#000000>),E)*100<FONT
size=2>; LowestLongProfit =
LastValue(<FONT
color=#0000ff>Lowest<FONT
color=#000000>(LongProfit)); LowestShortProfit = <FONT
color=#0000ff>LastValue(<FONT
color=#0000ff>Lowest<FONT
color=#000000>(ShortProfit)); Plot<FONT
color=#000000>(LongProfit,"LongProfit"<FONT
color=#000000>,5<FONT
color=#000000>,<FONT
color=#ff0000>styleArea<FONT
face=Arial>); <FONT
color=#0000ff>PlotShapes<FONT
color=#000000>((LowestLongProfit==LongProfit)*<FONT
color=#ff0000>shapeUpArrow,<FONT
color=#ff0000>colorGreen<FONT
face=Arial>); <FONT
color=#0000ff>Plot(ShortProfit,<FONT
color=#ff00ff>"ShortProfit",<FONT
color=#ff00ff>4,<FONT
color=#ff0000>styleArea<FONT
face=Arial>); <FONT
color=#0000ff>PlotShapes<FONT
color=#000000>((LowestShortProfit==ShortProfit)*<FONT
color=#ff0000>shapeDownArrow,<FONT
color=#ff0000>colorRed<FONT
face=Arial>); <FONT
color=#ff0000>GraphXSpace = <FONT
color=#ff00ff>5
<FONT face=Arial color=#ff00ff
size=2>
<FONT face=Arial color=#0000ff
size=2>Good luck,
<FONT face=Arial color=#0000ff
size=2>herman
<FONT face=Arial
size=2>-----Original Message-----From: Paul Ho
[mailto:paultsho@xxxxxxxxxxxx]Sent: January 18, 2004 9:23
AMTo: amibroker@xxxxxxxxxxxxxxxSubject: [amibroker]
Max Trade drawdown
<SPAN
class=292511801-18012004>Hi,
I have a very
simple question which i dont seem to be able to find answers
for
How do I
identify the trade that cause the max trade drawdown in the backtesting
report (portfolio test). I tried using the
the MFE &
the MAE e.g
<SPAN
class=292511801-18012004>Drawdown=IF(loser, (MFE-MAE)*position); but
none of the trade matches.
Thanks in
advance.
<SPAN
class=292511801-18012004>Paul.<FONT
face=Arial size=2>Send BUG REPORTS to bugs@xxxxxxxxxxxxxSend SUGGESTIONS
to
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