MT5 · Trade return codes
MT5 10020 · Prices changed | YI GOLD
TRADE_RETCODE_PRICE_CHANGED
Official meaning
Prices changed
Possible causes · YI GOLD suggestions
Quotes have changed, are missing or use incompatible price precision.
Troubleshooting · YI GOLD suggestions
Read the latest bid/ask and quote time. Check precision and allowed deviation; stop increasing exposure with stale quotes.