No penny stocks currently meet the criteria of forming a bullish hammer pattern with a probability of successful reversal greater than 90%. The query for closing prices below $5 that formed a bullish hammer pattern with a reversal probability greater than 90% returned zero results.
Investing in penny stocks is generally considered high-risk, and while the bullish hammer pattern can be a strong signal for reversal, it is not infallible. It is important for investors to consider other factors and indicators, and to not rely solely on candlestick patterns for investment decisions.