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Re[2]: Risk of Ruin



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Hello  Kent,

KR> I think the texts that recommend risking 2% per trade are recommending that
KR> as a guideline for discretionary trading and for beginning discretionary
KR> trading at that.  After you've survived as a discretionary trader for a
KR> while, you should have a better idea of how much you can comfortably risk.

This  discussion  interested me so I went back and and figured out what
my  risk per trade is vs. margin set aside per model.  It comes out to
about  6  percent  per  position.   I  am certainly considered a gun
slinger  trader  meaning  high  risk by some in the industry. So these
other  higher  numbers  just  reinforce what I have been thinking all
along  -  that  exemplifies inexperience.   That's what these traders
are  doing  -  babbling out loud and beating their chest.  20% percent
per  trade  or  more, yea right.   A hardy har har from on top looking
arrogantly down.       mb



KR> Since Guy has a system which a couple of years of data, he can compute an
KR> expected return (with a certain amount of error) and he has a good idea of
KR> how successful any given trade will be.  With this information, he can
KR> compute his "risk of ruin" (with a certain amount of error) and size his
KR> bets so that he maximizes gain with a "risk of ruin" that he is comfortable
KR> with.

KR> Kent





--
Best regards,
  Mark Brown   mailto:markbrown@xxxxxxxxxxxxx
  Y = Offset + Amplitude * sin(Frequency * X)