https://www.wenhua.com.cn/new_guide/Wh7/view3-4.html
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LC := REF(CLOSE,1);
RSI1:SMA(MAX(CLOSE-LC,0),5,1)/SMA(ABS(CLOSE-LC),5,1)*100;
RSI2:=SMA(MAX(CLOSE-LC,0),12,1)/SMA(ABS(CLOSE-LC),12,1)*100;
REFLINE:20,50,80;
20,RGB(255,128,192),DOT;
50,RGB(128,255,128),DOT;
80,RGB(255,128,192),DOT;
DRAWTEXT(CROSS(RSI1,80),RSI1,'空'),COLORGREEN;
DRAWTEXT(CROSSDOWN(RSI1,20),RSI1,'多'),COLORRED;
CROSS(RSI1,80),SOUND('A');
CROSSDOWN(RSI1,20),SOUND('A');
RSI1:SMA(MAX(CLOSE-LC,0),5,1)/SMA(ABS(CLOSE-LC),5,1)*100;
RSI2:SMA(MAX(CLOSE-LC,0),12,1)/SMA(ABS(CLOSE-LC),12,1)*100;
REFLINE:20,50,80;
20,RGB(255,128,192),DOT;
50,RGB(128,255,128),DOT;
80,RGB(255,128,192),DOT;
DRAWTEXT(CROSS(RSI1,80),RSI1,'空'),COLORGREEN;
DRAWTEXT(CROSSDOWN(RSI1,20),RSI1,'多'),COLORRED;
CROSS(RSI1,80),SOUND('A');
CROSSDOWN(RSI1,20),SOUND('A');