附图指标， mt4指标类型：趋势指标 是否能用在mt4手机版上：否 是否含有未来函数：无 //+------------------------------------------------------------------+ //| ChannelBalance.mq4 | //| Copyright ? 2010, Shon Shampain | //| http://www.zencowsgomu.com | //| | //| Visit http://www.ZenCowsGoMu.com, an oasis of sanity | //| for currency traders. | //| | //| Original out-of-the-box thinking, ideas, indicators, | //| educational EAs and more. | //| | //| Home of the consistent T4 Forex trading signal. | //| +396 pips June 2010, +1835 pips 2010 YTD | //| Backtesting profitably since 1-1-2002. | //+------------------------------------------------------------------+ #property copyright \"Shon Shampain\" #property link \"http://www.zencowsgomu.com\" #property indicator_separate_window #property indicator_buffers 4 #property indicator_color4 Aqua extern int max_periods = 20; extern bool tenths = true; int d; double mult; double high, low; double upper ; double lower ; double middle ; double bal ; int init() { d = Digits; if (tenths) d -= 1; mult = 1.0; for (int x = 0; x < d; x++) mult *= 10.0; SetIndexBuffer(0, upper); SetIndexBuffer(1, lower); SetIndexBuffer(2, middle); SetIndexBuffer(3, bal); SetLevelValue(0, 50.0); SetLevelStyle(STYLE_DOT, 1, Silver); return(0); } int deinit() { return(0); } void get_high_low(int i, int max) { high = 0.0; low = 99999.9; for (int j = 0; j < max; j++) { if (High[i+j] > high) high = High[i+j]; if (Low[i+j] < low) low = Low[i+j]; } } double calc_channel_balance(int i, int max) { double avg_price, range, pct, total; double dmax = max; total = 0.0; for (int j = 0; j < max; j++) { avg_price = (High[i+j] + Low[i+j]) / 2.0; range = upper[i+j] - lower[i+j]; if (range == 0.0) pct = 0.0; else pct = (avg_price - lower[i+j]) / range; total += pct; } total /= dmax; return(total); } int start() { int counted_bars = IndicatorCounted(); int i = Bars - counted_bars - 1; while (i >= 0) { if (i + max_periods > Bars) { upper = EMPTY_VALUE; lower = EMPTY_VALUE; middle = EMPTY_VALUE; bal = EMPTY_VALUE; } else { get_high_low(i, max_periods); upper = high; lower = low; middle = (high + low) / 2.0; double val = calc_channel_balance(i, max_periods) * 100.0; bal = val; } i--; } return(0); }

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