Sionna Therapeutics' 15-min chart shows Bollinger Bands narrowing, KDJ death cross, bearish Marubozu.

Sionna Therapeutics's 15-minute chart has recently exhibited Bollinger Bands Narrowing, KDJ Death Cross, and a Bearish Marubozu pattern on December 4th, 2025, at 13:00. This suggests a decrease in the magnitude of stock price fluctuations, a shift in momentum towards the downside, and a potential continuation of downward momentum. Sellers appear to be in control of the market, and bearish momentum is likely to persist.