树人均线区间

高:(XMA(XMA(H,13),13)-XMA(XMA(L,13),13))+XMA(XMA(H,13),13)COLORRED;

低:XMA(XMA(L,13),13)-(XMA(XMA(H,13),13)-XMA(XMA(L,13),13))COLORGREEN;
中:(高+低)/2 COLORYELLOW;