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MetaTrader error codes / MT5 trade return codes

MT5 error 10021: No quotes to process the request (TRADE_RETCODE_PRICE_OFF)

The server had no valid price to fill the request at, often called off quotes. Nothing was executed; wait for a fresh tick and retry.

10021TRADE_RETCODE_PRICE_OFF
Yes, after a waitSafe to retry?
NoCould it have executed?

What it means

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

The trade server could not find a current price for the symbol when it processed your request. Without a price it can't fill a market order.

This often appears for a moment when a market opens, during a feed gap, or when the broker pulls prices during big news.

Common causes

  • The first seconds after a market opens.
  • A pause in the broker's price feed.
  • A symbol that is rarely quoted.
  • Prices withdrawn during a major event.

How to fix it

  • Wait for a new tick and try again with that price.
  • Check that the symbol is in Market Watch and that its last tick is recent.
  • Avoid sending orders in the first seconds of a session if you see this often.

Example in Python:

import time
import MetaTrader5 as mt5

def wait_for_tick(symbol, newer_than, timeout=5.0):
    end = time.time() + timeout
    while time.time() < end:
        t = mt5.symbol_info_tick(symbol)
        if t and t.time_msc > newer_than:
            return t
        time.sleep(0.2)
    return None

last = mt5.symbol_info_tick("EURUSD").time_msc
tick = wait_for_tick("EURUSD", last)   # then send again with tick.ask or tick.bid

Is it safe to retry?

Yes, after a fresh quote arrives.

Could the order have executed?

No. Nothing could be filled without a price.

How Tickwire handles it

Tickwire refuses an order before sending if the terminal has no quote for the symbol. If the broker answers 10021 to a market order, Tickwire retries with a fresh price, up to 2 more times.

MT4 error 136 comes back as 10021.

Related MT5 Python functions

All MetaTrader error codes

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