$BTC forms a key bullish turning point around $84,438.40. The intraday range is $82,893.18–$84,894.76, with trading volume of $858.3k. Next, watch the effectiveness of the $84,894.76 resistance and the $82,893.18 support, as well as the flow of institutional funds. Risk: if upward momentum continues, be alert to an overbought pullback and position management.