Amibroker AFL code for Auto Analysis Key Reversal:
Script:
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// Formula Name: Auto Analysis Key Reversal
// For more scripts, visit: www.marketsecrets.in
//
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buy=O<ref(C,-1) AND L<ref(L,-1) AND C>ref(H,-1);
sell=O>ref(C,-1) AND H>ref(H,-1) AND C<ref(L,-1);