Prothena plc Stock Forecast, "PRTA" Share Price Prediction Charts

Is "Prothena Corporation plc" a Good Investment? Current price today: â–² 10.54 USD (+1.84%)

  • History
  • Forecast
  • Data
  • Market
  • Q&A

Current Price

$10.54

7 Days Forecast

â–² $11.75

1-Year Forecast *

â–² $13.35

5-Year Forecast *

â–² $10.54

Historical index on US Stock Market : B+ "Should I invest in Prothena plc stock?" "Should I trade "PRTA" stock today?" According to our live Forecast System, Prothena Corporation plc stock is a very good long-term (1-year) investment*. "PRTA" stock predictions are updated every 5 minutes with latest exchange prices by smart technical market analysis. Q&A about "PRTA" projections. See Our Other Forecasts
At Walletinvestor.com we predict future values with technical analysis for wide selection of stocks like Prothena Corporation plc (PRTA). If you are looking for stocks with good return, Prothena Corporation plc can be a profitable investment option. Prothena Corporation plc quote is equal to 10.54 USD at 2026-03-05.

Prothena Corporation plc Forecast, Short-Term PRTA Stock Price Prediction for Next Days and Weeks

Prothena Corporation plc Forecast, Long-Term Price Predictions for Next Months and Year: 2026, 2027, 2028, 2029, 2030

PRTA Target Price

Prothena Corporation plc price target in 14 days: $12.02* upside and $10.72* downside. (Highest and lowest possible predicted price in a 14 day period)

Prothena Corporation plc forecast* for tomorrow, and next weeks based on the last 30 days

PRTA forecast for the upcoming days

DatePriceMin PriceMax Price
2025-11-05 $10.72 $10.50 $10.97
2025-11-06 $10.97 $10.69 $11.50
2025-11-07 $11.22 $10.91 $11.63
2025-11-08 $11.24 $10.92 $11.46
2025-11-09 $11.49 $10.96 $11.86
2025-11-10 $11.75 $11.19 $12.22
2025-11-11 $12.02 $11.65 $12.44
2025-11-12 $11.75 $11.42 $12.09
2025-11-13 $11.51 $10.94 $11.95
2025-11-14 $11.78 $11.26 $12.31
2025-11-15 $11.75 $11.34 $12.32
2025-11-16 $11.48 $11.10 $12.00
2025-11-17 $11.74 $11.40 $12.29
2025-11-18 $12.01 $11.46 $12.49

14 Days Historical Data

DateOpening priceClosing priceMinimum priceMaximum price
2025-11-03 $10.75 $10.54 $10.47 $10.75
2025-11-03 $10.75 $10.54 $10.47 $10.75
2025-11-03 $10.75 $10.54 $10.47 $10.75
2025-11-02 $10.75 $10.75 $10.75 $10.75
2025-11-02 $10.75 $10.75 $10.75 $10.75
2025-11-02 $10.75 $10.75 $10.75 $10.75
2025-11-01 $10.75 $10.75 $10.75 $10.75
2025-11-01 $10.75 $10.75 $10.75 $10.75
2025-11-01 $10.75 $10.75 $10.75 $10.75
2025-10-31 $10.72 $10.56 $10.52 $10.72
2025-10-31 $10.72 $10.56 $10.52 $10.72
2025-10-31 $10.72 $10.56 $10.52 $10.72
2025-10-30 $10.73 $10.56 $10.51 $10.73
2025-10-30 $10.73 $10.56 $10.51 $10.73

Stock Info

General
CEO: Gene G. Kinney
Exchange: NASDAQ
Industry: Biotechnology
Sector: Healthcare
Symbol: PRTA
Type: stock
Website: https://www.prothena.com
Splits & Dividends

Pivot, Resistance and Support Levels

Calculation For Trading:
Resistance Level (R3): $10.98
Resistance Level (R2): $10.87
Resistance Level (R1): $10.70
Pivot Point: $10.59
Support Level (S1): $10.42
Support Level (S2): $10.31
Support Level (S3): $10.15

Bullish or Bearish?

Based on the last 30 days

Stock Stats

Historical data:
Market Cap (Previous Close): 447.06 M
Price in USD (Previous Close): 10.540
Share Volume (Previous Close): 590.40 K
Price in USD (Last): 10.540
52 Week Change: 418.750
Beta: 0.0
52week High: 22.41
52week Low: 4.3200
Forecast data:
52 Week High: 16.864
52 Week Low: 10.407
45-Day Moving Average: 11.287
90-Day Moving Average: 11.826

Questions & Answers about Prothena Corporation plc Projection

What is the Prothena Corporation plc price today?

The PRTA stock price is $10.54 today.

Will Prothena Corporation plc price grow / rise / go up?

Yes. The PRTA price can go up from $10.54 to $13.35 in one year.

Will PRTA stock price crash?

According to our analysis, this will not happen.

Will PRTA price hit "$100" in a year?

Not within a year. See above.

Will PRTA price hit "$200" in a year?

Not within a year. See above.

Will PRTA price hit "$500" in a year?

Not within a year. See above.

Prothena Corporation plc (PRTA) Price Prediction, Forecast for next months and years

Below you will find the price predictions for 2026, 2027.

Date Opening price Closing price Minimum price Maximum price Change
Prothena Corporation plc Forecast for 2025
November 2025$10.97$10.84$10.60$12.021.18 % â–¼
December 2025$11.09$11.94$10.41$11.947.70 % â–²
Prothena Corporation plc Forecast for 2026
January 2026$12.21$13.83$11.67$14.1513.23 % â–²
February 2026$13.52$14.08$12.70$14.304.15 % â–²
March 2026$14.40$16.09$14.40$16.8611.72 % â–²
April 2026$15.87$14.58$14.17$16.228.13 % â–¼
May 2026$14.25$13.73$12.98$14.833.67 % â–¼
June 2026$14.04$12.37$11.04$14.0411.92 % â–¼
July 2026$12.18$12.40$11.41$12.761.78 % â–²
August 2026$12.12$10.76$10.52$12.5111.21 % â–¼
September 2026$11.01$11.63$10.56$11.685.70 % â–²
October 2026$11.37$13.16$11.28$13.2215.72 % â–²
November 2026$13.00$12.25$11.76$13.355.82 % â–¼
December 2026$12.52$14.24$12.24$14.6713.70 % â–²
Prothena Corporation plc Forecast for 2027
January 2027$14.56$13.94$13.63$15.094.29 % â–¼
February 2027$13.68$13.97$13.42$14.362.11 % â–²
March 2027$14.07$13.01$12.80$14.447.57 % â–¼
April 2027$13.00$14.02$12.80$14.357.81 % â–²
May 2027$14.34$14.35$13.18$15.340.12 % â–²
June 2027$14.68$14.71$13.97$15.090.24 % â–²
July 2027$15.05$13.84$13.30$15.068.01 % â–¼
August 2027$13.57$10.82$10.82$13.5820.25 % â–¼
September 2027$10.57$10.56$9.740$11.300.16 % â–¼
October 2027$10.40$9.968$9.913$10.834.17 % â–¼
November 2027$9.778$9.619$9.619$9.8421.63 % â–¼

> Page 2: detailed data / price table <

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* Our share forecasts and predictions are made by Machine Learning & Ai, and shouldn't been used for financial decisions. We can't guarantee any profit.