TradingView提供によるXCUUSDチャート new TradingView.widget( { "width": 640, "height": 400, "symbol": "OANDA:XCUUSD", "interval": "D", "timezone": "Etc/UTC", "theme": "Light", "style": "1", "locale": "ja", "toolbar_bg": "#f1f3f6", "enable_p…