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You could try this
SellSig = Cross(C,Profitline);
Sell = sum(Sellsig, barssince(buy))==2;
Cheers,
Graham
http://e-wire.net.au/~eb_kavan/
-----Original Message-----
From: kris45mar [mailto:kris45mar@xxxxxxxxx]
Sent: Sunday, December 12, 2004 10:42 AM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] [AFL help] How to sell at the second signal?
Hi All...
What function can I use if I want to sell the *second
time* an event occurs?
// buy and sell criteria here //
Profitline = EMA (H, (13)) + 2 * ATR (10);
EntryLine = LLV (L, 20) + (2.5 * ATR (10));
Buy = Cross(C,Entryline);
Sell = Cross(C,Profitline);
This gives me a sell signal the *first time* the close
crosses the Profitline.
How do I code for a sell signal the *second time* (or
third time for that matter) the close crosses the
profitline?
I thought I might be able to use
Sell = Ref(cross(c,Profitline),2); as a sort
lookforward function, but this does not work.
or do I use the Sum or Cum functions somehow?
TIA
ChrisB
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