the basic of Chart - Average moving curve

Basic curve for chart:

Average moving curve :
10 / 20 / 30 => the spring bed 彈弓床
4 18 40 250
4 18 40 250 => 250 the main curce , 18 cross 40 => signal of buy/sell

MACD :
43 , 86 , 43
12 , 26 , 9
volumn +