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Using a random entry, it is possible to isolate the effects of the exit from the entry.
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// Entry a position at the close of a random bar.
// A random entry for use as a benchmark.
// Expect this entry to mirror the buy and hold.
// It cannot be profitable taking long positions in
// a declining market, or taking short positions
// in a rising market.
// This code just waits a fixed number of bars to exit.
// It can be used to test any of the exit systems.
// For market orders, enter and exit Market On Close
// with no delay
BuyPrice = C;
SellPrice = C;
// Frequency is the number of entries per year.
Frequency = Param("Entries per Year",12,1,100,1);
// Repeatable is a switch.
// True (1): the sequence of random numbers will be repeated.
// False (0): each sequence is random.
Repeatable = Param("Repeatable",0,0,1,1);
// Seed is the number used to start the random sequence // when repeatable sequences are desired.
Seed = Param("Seed", 13331,1,99999,1);
// Generate a fraction, uniformly distributed // between 0.00000 AND 0.99999.
NextRandom = IIf (Repeatable,Random(Seed),Random());
Buy = IIf (NextRandom<Frequency/252,1,0);
// The code for the exit being tested starts here.
// HoldBars is the number of bars to wait for exit.
HoldBars = Param("HoldBars", 3,1,100,1);
Sell = BarsSince(Buy)>=HoldBars;
// The code for the exit being tested ends here.
// Remove extra Buy and Sell signals.
Buy = ExRem(Buy, Sell);
Sell = ExRem(Sell,Buy);
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