Prothena (PRTA, $8.83) Moving Average Convergence Divergence (MACD) Histogram turned negative on July 13, 2026

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PRTA - Prothena Corp
MACD signal
Bearish Trend
87%
Odds of DOWN Trend
Price: $8.83
Daily change: -$0.41 (-4.44%)
Daily volume: 456.6K
Capitalization: $462.3M
Industry: Biotechnology

This is a Bearish indicator signaling PRTA's price could decline from here. Traders may explore shorting the stock or put options. A.I. dvisor identified 47 similar cases where PRTA's MACD histogram became negative, and 41 of them led to successful outcomes. Odds of Success: 87%.