Hi - I think B&H is just a common benchmark that you can compare your system to, if it can't beat B&H then its back to the drawing board, or some might choose to just B&H over trading. It buys on the first bar in the test and sells on the last bar in the test. You can right-click on the indicator and select Edit to see TJ's code, you could also make a copy and tweak it if you want.
Steve ----- Original Message ----- From: "ozzyapeman" <[email protected]> To: <[email protected]> Sent: Wednesday, January 14, 2009 9:33 PM Subject: [amibroker] Re: Getting Portfolio and Single Symbol Equity to match > Another question, this one on the individual equity plot one gets by > choosing that from the equity button drop down. I never actually > bothered plotting this before, always just went off of raw numbers in > the report. > > But what exactly is the "Buy & Hold" plot? The reference manual makes > several reference to Buy & Hold strategy but I could not find anywhere > where it was actually defined. > > If, for example, I backtest from 1/1/2006 to 1/1/2007, my equity curve > fluctuates from $100,000 to an end result of $99,142 (testing on Forex > EURUSD). During that same period, the Buy & Hold plot goes from > $100,000 to $643,426! Ok. I want summa that! > > When is it buying, and for how long is it holding? Where is this > strategy defined, and what is the purpose of plotting it relative the > trading system equity curve? > > > --- In [email protected], "ozzyapeman" <zoopf...@...> wrote: >> >> In my AA portfolio settings, I have all boxes unchecked. When running a >> backtest against a single symbol, shouldn't single symbol equity be >> identical to portfolio equity? When I plot both charts, the equity >> curves are off by $1-12 or so, fluctuating. While that difference is >> obviously not huge, it worries me that they are not absolutely >> identical, as larger differences could just as easily pop up. >> >> Any idea why this might be? >> >> >> >> // >> ----------------------------------------------------------------------- >> // SIMPLE TRADING SYSTEM >> // >> ----------------------------------------------------------------------- >> >> fast = Optimize( "fast", 3, 5, 10, 1 ); >> slow = Optimize( "slow", 6, 10, 15, 1 ); >> >> Buy = Cross( MACD( fast, slow ), Signal( fast, slow ) ); >> Sell = Cross( Signal( fast, slow ), MACD( fast, slow ) ); >> >> Short = Sell; >> Cover = Buy; >> >> e = Equity(); >> Plot(e, "equity", colorGreen, styleLine|styleOwnScale); >> > > > > ------------------------------------ > > **** IMPORTANT **** > This group is for the discussion between users only. > This is *NOT* technical support channel. > > ********************* > TO GET TECHNICAL SUPPORT from AmiBroker please send an e-mail directly to > SUPPORT {at} amibroker.com > ********************* > > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG: > http://www.amibroker.com/devlog/ > > For other support material please check also: > http://www.amibroker.com/support.html > > ********************************* > Yahoo! Groups Links > > > >
