When sending TradingView alerts to Binance, you may encounter the BadSymbol binancecoinm does not have market symbol error. This normally happens when trying to place an order in the Coin-m futures market.
To solve this error, simply add a forward slash (/) in between the asset name. For example, instead of BTCUSD, use BTC/USD, instead of ETHUSD, use ETH/USD, and so on…