ASK about mql code

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please help me make ea which only sell orders without any indicators,very simple I've done it but the error he did sell orders many times, where did i go wrong?
Documentation on MQL5: Constants, Enumerations and Structures / Trade Constants / Trade Orders in DOM
Documentation on MQL5: Constants, Enumerations and Structures / Trade Constants / Trade Orders in DOM
  • www.mql5.com
Trade Orders in DOM - Trade Constants - Constants, Enumerations and Structures - MQL5 Reference - Reference on algorithmic/automated trading language for MetaTrader 5
Files:
sell_saja.mq4  2 kb
  
void OnTick(){
  {OrderSend(Symbol(),OP_SELL,Lots,Bid,3,Bid+SL*Point, Bid-TP*Point, …
  1. Each tick you call OrderSend. Why does it surprise you that it opened many orders?

  2. You buy at the Ask and sell at the Bid. Pending Buy Stop orders become market orders when hit and open at the Ask.

    1. Your buy order's TP/SL (or Sell Stop's/Sell Limit's entry) are triggered when the Bid / OrderClosePrice reaches it. Using Ask±n, makes your SL shorter and your TP longer, by the spread. Don't you want the specified amount used in either direction?

    2. Your sell order's TP/SL (or Buy Stop's/Buy Limit's entry) will be triggered when the Ask / OrderClosePrice reaches it. To trigger close to a specific Bid price, add the average spread.
                MODE_SPREAD (Paul) - MQL4 programming forum - Page 3 #25

    3. The charts show Bid prices only. Turn on the Ask line to see how big the spread is (Tools → Options (control+O) → charts → Show ask line.)
      Most brokers with variable spreads widen considerably at end of day (5 PM ET) ± 30 minutes. My GBPJPY (OANDA) shows average spread = 26 points, but average maximum spread = 134 (your broker will be similar).

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