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The performance analysis <strong>of</strong> chart patterns 219<br />

C.2. Double top (DT)<br />

DT is characterized by a sequence <strong>of</strong> three extrema Ei (i=1 , . . , 3), such that:<br />

DT<br />

8<br />

><<br />

>:<br />

E1 > E2<br />

E1 E2<br />

Vt ðE1;E3Þ ¼ 1 E2 E2<br />

E3 E2<br />

Vt ðE1;E3Þ ¼ 1 E2 E2<br />

1 tE td 2<br />

2<br />

2<br />

ðtftdÞ 2<br />

1 tf tE2 2<br />

2<br />

ðtftdÞ 2<br />

2<br />

ðPtdPtm<strong>in</strong>Þ 3 ðVtE ðE1; E3Þ<br />

2<br />

E2Þ<br />

C.3. Double bottom (DB)<br />

DB is characterized by a sequence <strong>of</strong> three extrema Ei (i =1, . . . ,3), such that:<br />

DB<br />

8<br />

><<br />

>:<br />

E1 < E2<br />

E2 E1<br />

E2 Vt ðE1;E3Þ ¼ 1<br />

E2<br />

E2 E3<br />

E2 Vt ðE1;E3Þ ¼ 1<br />

E2<br />

1 tE td 2<br />

2<br />

2<br />

ðtftdÞ 2<br />

1 tf tE2 2<br />

2<br />

ðtftdÞ 2<br />

2<br />

ðPtmax PtdÞ<br />

3 ðE2 VtE ðE1; E3ÞÞ<br />

2<br />

C.4. Triple top (TT)<br />

TT is characterized by a sequence <strong>of</strong> five extrema Ei (i =1, . . . ,5) such that:<br />

8<br />

TT<br />

><<br />

>:<br />

E1 > E2<br />

jpE1; ð E5Þj<br />

tgð10Þ<br />

jpE2; ð E4Þj<br />

tgð10Þ<br />

h<br />

0:9 E1 Vt ðE2;E4Þ 1:1<br />

E1<br />

h<br />

0:9 E5 Vt ðE2;E4Þ 1:1<br />

E5<br />

1<br />

2<br />

1<br />

2<br />

1<br />

2<br />

tE 2 td<br />

ðtftdÞ 3<br />

tE4 tE2 ðtftdÞ 3<br />

tf tE4 ðtftdÞ 3<br />

ð Þ 2<br />

Ptd Ptm<strong>in</strong><br />

2<br />

2<br />

2<br />

3<br />

h

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