MT4里利用iBands()可以获取上中下轨指定柱线的指标值,但MT5里的iBands()没有了上中下轨的参数,请教如何获取MT5布林线上中下轨的指定柱线指标值,比如获取当前或最近第二个柱线对应的指标值,希望有人帮着解答,谢谢!
用copybuffer():
0 - BASE_LINE, 1 - UPPER_BAND, 2 - LOWER_BAND
参见:https://www.mql5.com/en/docs/indicators/ibands
Documentation on MQL5: Technical Indicators / iBands
- www.mql5.com
Technical Indicators / iBands - Reference on algorithmic/automated trading language for MetaTrader 5
供参考:
//+------------------------------------------------------------------+ //| test_iBands.mq5 | //| Copyright 2021,fxMeter | //| https://www.mql5.com/zh/users/fxmeters | //+------------------------------------------------------------------+ #property copyright "Copyright 2021,fxMeter" #property link "https://www.mql5.com/zh/users/fxmeters" #property version "1.00" input int bands_period = 20; // period for average line calculation input double deviation = 2.0; // number of standard deviations input ENUM_APPLIED_PRICE applied_price = PRICE_CLOSE; // type of price int handle = -1; //+------------------------------------------------------------------+ //| Expert initialization function | //+------------------------------------------------------------------+ int OnInit() { //--- handle = iBands(Symbol(),PERIOD_CURRENT,bands_period,0,deviation,applied_price); if(handle == -1) { return(INIT_FAILED); } //--- return(INIT_SUCCEEDED); } //+------------------------------------------------------------------+ //| Expert deinitialization function | //+------------------------------------------------------------------+ void OnDeinit(const int reason) { //--- } //+------------------------------------------------------------------+ //| Expert tick function | //+------------------------------------------------------------------+ void OnTick() { //--- //1.获取最近3个K线的布林线上轨 double upper[]; ArraySetAsSeries(upper,true); if(CopyBuffer(handle,UPPER_BAND,0,3,upper) == 3) { } //2.获取最近3个K线的布林线下轨 double lower[]; ArraySetAsSeries(lower,true); if(CopyBuffer(handle,LOWER_BAND,0,3,lower) == 3) { } } //+------------------------------------------------------------------+