10.1 货币对信息函数-浮点型函数

保证金占用公式: 当前报价 * 合约大小 * 手数 * 每点价值 * 杠杆比例

ENUM_SYMBOL_INFO_DOUBLE

void OnStart()
  {
    // int symbol = Symbol();
    string symbol = _Symbol;
    printf("当前货币对: %s",symbol);
    // 获得货币对的小数点位数
    int digits = _Digits; // 获得当前图标的小数点位数
    // int digits = SymbolInfoInteger(symbol,SYMBOL_DIGITS); // 获取指定图表的小数点位数
    // 当前做多价格
    double ask = SymbolInfoDouble(symbol,SYMBOL_ASK);
    double ask_high = SymbolInfoDouble(symbol,SYMBOL_ASKHIGH);
    double ask_low = SymbolInfoDouble(symbol,SYMBOL_ASKLOW);
    
    printf("当前做多价格: %.5f,当天最高做多价: %.5f, 当天最低做多价: %.5f",
        ask,ask_high,ask_low);
    // 当前做空价格
    double bid = SymbolInfoDouble(symbol,SYMBOL_BID);
    double bid_high = SymbolInfoDouble(symbol,SYMBOL_BIDHIGH);
    double bid_low = SymbolInfoDouble(symbol,SYMBOL_BIDLOW);
    printf("当前做空价格: %.5f,当天最高做空价: %.5f, 当天最低做空价: %.5f",
        bid,bid_high,bid_low);
        
    // 最后订单信息    
    double last = SymbolInfoDouble(symbol,SYMBOL_LAST);
    double last_high = SymbolInfoDouble(symbol,SYMBOL_LASTHIGH);
    double last_low = SymbolInfoDouble(symbol,SYMBOL_LASTLOW);
    printf("最后订单收盘价格: %.5f,最后订单最高价: %.5f, 最后订单最低价: %.5f",
        last,last_high,last_low);
        
    // 最后订单成交量信息
    double volume = SymbolInfoDouble(symbol,SYMBOL_VOLUME_REAL);
    double volume_high = SymbolInfoDouble(symbol,SYMBOL_VOLUMEHIGH_REAL);
    double volume_low = SymbolInfoDouble(symbol,SYMBOL_VOLUMELOW_REAL);
    printf("最后订单成交量: %.5f,最后订单最高成交量: %.5f, 最后订单最低成交量: %.5f",
        volume,volume_high,volume_low);
        
    // 最小报价单位
    double point = SymbolInfoDouble(symbol, SYMBOL_POINT);
    double tick_value = SymbolInfoDouble(symbol,SYMBOL_TRADE_TICK_VALUE);
    double tick_value_profit = SymbolInfoDouble(symbol,SYMBOL_TRADE_TICK_VALUE_PROFIT);
    double tick_value_loss = SymbolInfoDouble(symbol,SYMBOL_TRADE_TICK_VALUE_LOSS);
    printf("最小报价单位: %.5f, 每点价值: %.5f, 盈利方向每点价值: %.5f , 亏损方向每点价值: %.5f",
        point,tick_value,tick_value_profit, tick_value_loss);
        
    // 最小报价大小
    double tick_size = SymbolInfoDouble(symbol,SYMBOL_TRADE_TICK_SIZE);
    double contract_size = SymbolInfoDouble(symbol,SYMBOL_TRADE_CONTRACT_SIZE);
    printf("最小报价大小: %.5f, 货币兑1手合约大小: %.5f, 盈利方向每点价值: %.5f , 亏损方向每点价值: %.5f",
        tick_size,contract_size,tick_value_profit, tick_value_loss);
        
    // 做多手续费 和 做空手续费
    double buy_swap = SymbolInfoDouble(symbol,SYMBOL_SWAP_LONG);
    double sell_swap = SymbolInfoDouble(symbol,SYMBOL_SWAP_SHORT);   
    printf("做多手续费: %+.2f, 做空手续费: %.f",
        buy_swap,sell_swap); 
        
    // 股票 期货 相关的数据
    double session_volume = SymbolInfoDouble(symbol,SYMBOL_SESSION_VOLUME);
    double session_turnover = SymbolInfoDouble(symbol,SYMBOL_SESSION_TURNOVER);
    double session_interest = SymbolInfoDouble(symbol,SYMBOL_SESSION_INTEREST);
    double session_buy_orders_volume = SymbolInfoDouble(symbol,SYMBOL_SESSION_BUY_ORDERS_VOLUME);
    double session_sell_orders_volume = SymbolInfoDouble(symbol,SYMBOL_SESSION_SELL_ORDERS_VOLUME);
    double session_open = SymbolInfoDouble(symbol,SYMBOL_SESSION_OPEN);
    double session_close = SymbolInfoDouble(symbol,SYMBOL_SESSION_CLOSE);
    double session_aw = SymbolInfoDouble(symbol,SYMBOL_SESSION_AW);
    double session_price_settlement = SymbolInfoDouble(symbol,SYMBOL_SESSION_PRICE_SETTLEMENT);
    double session_price_limit_max = SymbolInfoDouble(symbol,SYMBOL_SESSION_PRICE_LIMIT_MAX);
    double session_price_limit_min = SymbolInfoDouble(symbol,SYMBOL_SESSION_PRICE_LIMIT_MIN);
    double margin_hedged = SymbolInfoDouble(symbol,SYMBOL_MARGIN_HEDGED);
    double price_change = SymbolInfoDouble(symbol,SYMBOL_PRICE_CHANGE);
    double price_volatility = SymbolInfoDouble(symbol,SYMBOL_PRICE_VOLATILITY);
    printf("当前品种总交易量: %.5f, 当前品种的总流通量: %.5f, 总持仓利息: %.5f",
      session_volume,
      session_turnover,
      session_interest
      );
  }