Prothena Corp. beats Q4 estimates

Technical Analysis (Indicators)

Bullish Trend Analysis

The Stochastic Oscillator suggests the stock price trend may be in a reversal from a downward trend to an upward trend. 52 of 75 cases where PRTA's Stochastic Oscillator exited the oversold zone resulted in an increase in price. Tickeron's analysis proposes that the odds of a continued upward trend are 69%.

The Moving Average Convergence Divergence (MACD) for PRTA just turned positive on November 10, 2026. Looking at past instances where PRTA's MACD turned positive, the stock continued to rise in 31 of 46 cases over the following month. The odds of a continued upward trend are 67%.

Bearish Trend Analysis

The Momentum Indicator moved below the 0 level on November 10, 2026. You may want to consider selling the stock, shorting the stock, or exploring put options on PRTA as a result. In 80 of 93 cases where the Momentum Indicator fell below 0, the stock fell further within the subsequent month. The odds of a continued downward trend are 86%.

PRTA moved below its 50-day moving average on November 10, 2026 date and that indicates a change from an upward trend to a downward trend.

Following a 3-day decline, the stock is projected to fall further. Considering past instances where PRTA declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 86%.

PRTA broke above its upper Bollinger Band on October 28, 2026. This could be a sign that the stock is set to drop as the stock moves back below the upper band and toward the middle band. You may want to consider selling the stock or exploring put options.

The Aroon Indicator for PRTA entered a downward trend on October 14, 2026. This could indicate a strong downward move is ahead for the stock. Traders may want to consider selling the stock or buying put options.

Fundamental Analysis (Ratings)

The Tickeron Valuation Rating of 15 (best 1 - 100 worst) indicates that the company is slightly undervalued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: P/B Ratio (1.426) is normal, around the industry mean (3.498). P/E Ratio (-9.840) is within average values for comparable stocks, (-1.193). Projected Growth (PEG Ratio) (0.000) is also within normal values, averaging (9.059). Dividend Yield (0.000) settles around the average of (130.981) among similar stocks. P/S Ratio (8.104) is also within normal values, averaging (440.869).

The Tickeron PE Growth Rating for this company is 34 (best 1 - 100 worst), pointing to consistent earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.

The Tickeron Price Growth Rating for this company is 69 (best 1 - 100 worst), indicating slightly worse than average price growth. PRTA’s price grows at a lower rate over the last 12 months as compared to S&P 500 index constituents.

The Tickeron SMR rating for this company is 94 (best 1 - 100 worst), indicating weak sales and an unprofitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.

The Tickeron Profit vs. Risk Rating rating for this company is 100 (best 1 - 100 worst), indicating that the returns do not compensate for the risks. PRTA’s unstable profits reported over time resulted in significant Drawdowns within these last five years. A stable profit reduces stock drawdown and volatility. The average Profit vs. Risk Rating rating for the industry is 93, placing this stock worse than average.