T3 TRADING. for Amibroker (AFL)

_SECTION_BEGIN("T+3 trading system ");
/* T+3 trading system */
a = 0.7;
n = 2;

alpha = 2/(n + 1);
e1 =  EMA(Close, n);
e2 = EMA (e1, n);
e3 = EMA (e2, n);
e4 = EMA (e3,  n);
e5 = EMA (e4, n);
e6 = EMA (e5, n);

T3 = -a^3 * e6 + (3 * a^2 +3 * a^3) * e5 + (-6 * a^2 - 3 *
 a - 3 * a^3) * e4 + (1 + 3 * a + a^3 + 3 * a^2) * e3;

Graph0 = Close;
Graph1 = T3;

Sell = Cross ( Close, T3 );
Buy = Cross (T3, Close );
Short = Cross ( Close, T3);
Cover = Cross (T3, Close );

Title =Name()+" hê thông luot song T+3 - Tu-indicator";

_SECTION_END();