$BTC formed a key upward turning point near $83,509.81. The intraday range is $82,931.32–$85,575.87, with trading volume of $1.7 million. Next, watch the effectiveness of the $85,575.87 resistance and the $82,931.32 support, as well as the flow of institutional funds. Risk: if upward momentum continues, be alert to a pullback from overbought conditions and manage positions accordingly.