EAの設計：マーケットとアカウント情報確認

取引の前に、特に自分の口座はどんな状況なのかを確認したほうが良いです。

また、場合によって、途中で金利の差が変動になったり、レバレッジの倍数が変わったりすることで、売買戦略を調整することも考えられます。

次にMarketInfoとAccount関数を使って、ご利用の口座情報などを確認できます。

//+------------------------------------------------------------------+
// Show market information.
//+------------------------------------------------------------------+
void ShowMarketInfo()
{
    Print("Symbol:",                symbol);
    Print("Ask:",                   MarketInfo(symbol, MODE_ASK));                  // 110.431
    Print("Bid:",                   MarketInfo(symbol, MODE_BID));                  // 110.410
    Print("Point:",                 MarketInfo(symbol, MODE_POINT));                // 0.001
    Print("Digits:",                MarketInfo(symbol, MODE_DIGITS));               // 3
    Print("Spread:",                MarketInfo(symbol, MODE_SPREAD));               // 21 NOTE: NOT 0.021 !!!
    Print("Stop level:",            MarketInfo(symbol, MODE_STOPLEVEL));            // 40
    Print("Lot size:",              MarketInfo(symbol, MODE_LOTSIZE));              // 10_0000(USD)
    Print("Tick value:",            MarketInfo(symbol, MODE_TICKVALUE));            // 100
    Print("Tick size:",             MarketInfo(symbol, MODE_TICKSIZE));             // 0.001
    Print("Swap long:",             MarketInfo(symbol, MODE_SWAPLONG));             // -0.83
    Print("Swap short:",            MarketInfo(symbol, MODE_SWAPSHORT));            // -5.15
    Print("Min lot:",               MarketInfo(symbol, MODE_MINLOT));               // 0.01
    Print("Lot step:",              MarketInfo(symbol, MODE_LOTSTEP));              // 0.1  *** It is different between different account ***
    Print("Max lot:",               MarketInfo(symbol, MODE_MAXLOT));               // 1000 *** It is different between different account ***
    Print("Margin init:",           MarketInfo(symbol, MODE_MARGININIT));           // 0
    Print("Margin maintenance:",    MarketInfo(symbol, MODE_MARGINMAINTENANCE));    // 0
    Print("Margin hedged:",         MarketInfo(symbol, MODE_MARGINHEDGED));         // 0
    Print("Margin required:",       MarketInfo(symbol, MODE_MARGINREQUIRED));       // 333.33(USD) <- LOTSIZE / LEVERAGE;   36807(JPY) <- ASK * LOTSIZE / LEVERAGE
    Print("Freeze level:",          MarketInfo(symbol, MODE_FREEZELEVEL));          // 0
}

//+------------------------------------------------------------------+
// Show starting acount information.
//+------------------------------------------------------------------+
void ShowAccountInfo()
{
    Print("Balance:",               DoubleToStr(AccountBalance(), 0));
    Print("Credit:",                DoubleToStr(AccountCredit(),  0));
    Print("Company:",               AccountCompany());
    Print("Currency:",              AccountCurrency());
    Print("Equity:",                DoubleToStr(AccountEquity(),   0));
    Print("Free margin:",           AccountFreeMargin());
    Print("Free margin check:",     AccountFreeMarginCheck(symbol, OP_BUY, MarketInfo(symbol, MODE_MINLOT))); // 499631.93 <- Free Margin - ASK * LOTSIZE * orderLotSize / LEVERAGE
    Print("Free margin mode:",      AccountFreeMarginMode());
    Print("Ask:",                   DoubleToStr(Ask, Digits));
    Print("Leverage:",              AccountLeverage());
    Print("Margin:",                AccountMargin());
    Print("Name:",                  AccountName());
    Print("Number:",                AccountNumber());
    Print("Profit:",                AccountProfit());
    Print("Server:",                AccountServer());
    Print("Stop out level:",        AccountStopoutLevel());
    Print("Stop out mode:",         AccountStopoutMode());
}

そして出力の一例は次です。太字部分は注意すべきところです。

FX

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