The 15 bullish analyst ratings indicate a positive outlook for Arcellx's stock price. The average 12-month price target of $47.07, which has increased by 15.37% over the past month, suggests that analysts expect the stock to perform well in the short term. This information is important for investors as it provides insight into the potential growth of the stock, and the high relevance and confidence scores reflect the direct impact of the news on Arcellx.