Protagenic Therapeutics, Inc.（PTIXW）价格

On the latest trading day Jan 22, 2026, the stock price of PTIXW rose by 50.00%, climbing from $0.02 to $0.03. During the session, the stock saw a volatility of Infinity%, with prices oscillating between a daily low of $0.00 and a high of $0.05. Notably, trading volume dropped by 13.5K shares on the last day despite the price increase, which may signal a potential uptick in risk in the near term. A total of 16.5K shares were traded, equating to a market value of approximately --.