// Scalping strategy for algotrading
// Define variables for strategy
double stop_loss = 0.5; // stop loss in percentage
double take_profit = 2; // take profit in percentage
// On every tick
void OnTick()
{
// Get the current bid and ask prices
double bid = Bid;
double ask = Ask;
// Get the previous bid and ask prices
double prev_bid = iBars(Symbol(), PERIOD_M1, 0);
double prev_ask = iBars(Symbol(), PERIOD_M1, 0);
// Check if the current bid price is higher than the previous ask price
if (bid > prev_ask)
{
// Open a long position with a stop loss and take profit
double lot_size = NormalizeDouble(AccountFreeMargin() * 0.01 / MarketInfo(Symbol(), MODE_STOPLEVEL), 2);
OrderSend(Symbol(), OP_BUY, lot_size, ask, 3, bid * (1 - stop_loss/100), bid * (1 + take_profit/100));
}
// Check if the current ask price is lower than the previous bid price
else if (ask < prev_bid)
{
// Open a short position with a stop loss and take profit
double lot_size = NormalizeDouble(AccountFreeMargin() * 0.01 / MarketInfo(Symbol(), MODE_STOPLEVEL), 2);
OrderSend(Symbol(), OP_SELL, lot_size, bid, 3, ask * (1 + stop_loss/100), ask * (1 - take_profit/100));
}
}