Lowest取不到值

1. ? ? ? ? If(CrossUp)
   
2. ? ? ? ? {
   
3. ? ? ? ? PreDownLen1 = CountCrossDown1;
   
4. ? ? ? ? PreDownLen2 = CountCrossDown2 - CountCrossUp2;
   
5. ? ? ? ? Commentary("上一死叉周期數: "+Text(PreDownLen1));
   
6. ? ? ? ? Commentary("上兩死叉周期數: "+Text(PreDownLen2));
   
7. ? ? ? ? LastPriceL1 = Lowest(Close, PreDownLen1); //上個死叉周期最低收盤價
   
8. ? ? ? ? LastPriceL2 = Lowest(Close[CountCrossDown2], PreDownLen2); //上上個死叉周期最低收盤價
   
9. ? ? ? ? Commentary("上一死叉周期數最低收盤價: "+Text(LastPriceL1));
   
10. ? ? ? ? Commentary("上兩死叉周期數最低收盤價: "+Text(LastPriceL2));
    
11. ? ? ? ? }

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?來源:CXH99.COM