The RealReal's 15-minute chart shows RSI Oversold and KDJ Golden Cross.

Based on the technical indicators on The RealReal's 15-minute chart, there are several key developments to note. Firstly, the Relative Strength Index (RSI) has reached oversold levels, indicating that the stock price has dropped rapidly and is currently below its fundamental support level. Furthermore, the KDJ indicator has crossed into a golden cross formation, which suggests that the momentum of the stock price is shifting towards the upside and has the potential to increase further.