MT5 error 10004: Requote (TRADE_RETCODE_REQUOTE)

What it means

You see this code in the retcode of a trade result, from OrderSend() in MQL5 or order_send() in Python.

A requote means the price in your request was no longer available when the broker processed it, so the server answered with a fresh price instead of a fill.

It shows up on symbols that use instant or request execution, where the request carries a price and a maximum deviation. If the market moves further than that deviation, you get 10004.

Common causes

• A fast market, such as a news release or the session open.
• A deviation of 0 or a few points on a volatile symbol.
• A price taken from an old tick, for example one read before a slow calculation.
• Network delay between your code and the terminal.

How to fix it

• Read a fresh tick right before each send and use its Ask for a buy or its Bid for a sell.
• Allow a realistic deviation in points for the symbol.
• Retry a small number of times, then stop and report, so a moving market can't keep you in a loop.

Example in Python:

import MetaTrader5 as mt5

def buy_market(symbol, volume, attempts=3):
    for _ in range(attempts):
        tick = mt5.symbol_info_tick(symbol)
        r = mt5.order_send({
            "action": mt5.TRADE_ACTION_DEAL, "symbol": symbol,
            "volume": volume, "type": mt5.ORDER_TYPE_BUY,
            "price": tick.ask, "deviation": 20,
        })
        if r is None:
            raise RuntimeError(mt5.last_error())
        if r.retcode not in (mt5.TRADE_RETCODE_REQUOTE, mt5.TRADE_RETCODE_PRICE_CHANGED):
            return r
    return r  # still requoted: give up and report

Is it safe to retry?

Yes, with a fresh price. The first request was not filled, so a new one can't double your position. Cap the number of tries.

Could the order have executed?

How Tickwire handles it

For a market order, Tickwire reads a fresh price and sends again, up to 2 more times. If the last answer is still a requote, you get 10004 with outcome rejected.

MT4 error 138 comes back as 10004 too. See trade results.

Related codes

• MT5 error 10020: Prices changed (TRADE_RETCODE_PRICE_CHANGED)
• MT5 error 10021: No quotes to process the request (TRADE_RETCODE_PRICE_OFF)
• MT4 error 138: Requote (ERR_REQUOTE)
• MT4 error 135: Price changed (ERR_PRICE_CHANGED)

Related MT5 Python functions

• mt5.order_send() in MetaTrader5 Python: place, change or close a trade

All MetaTrader error codes