Prothena Corp. Plc (PRTA)
8.35
-0.14
(-1.65%)
USD |
NASDAQ |
Aug 06, 12:36
Prothena Price : 8.35 for Aug. 6, 2026
Price Chart
Sep '18
Jan '19
May '19
285.00
270.00
255.00
240.00
Historical Price Data
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Aug 05, 2026 | 8.49 | 8.735 | 8.405 | 8.49 | 489491.0 |
| Aug 04, 2026 | 8.33 | 8.58 | 8.33 | 8.49 | 329914.0 |
| Aug 03, 2026 | 8.17 | 8.38 | 8.04 | 8.33 | 566001.0 |
| Jul 31, 2026 | 8.41 | 8.51 | 8.00 | 8.12 | 545491.0 |
| Jul 30, 2026 | 8.50 | 8.555 | 8.255 | 8.41 | 502234.0 |
| Jul 29, 2026 | 8.45 | 8.68 | 8.39 | 8.56 | 641215.0 |
| Jul 28, 2026 | 8.70 | 8.78 | 8.36 | 8.56 | 802256.0 |
| Jul 27, 2026 | 8.88 | 9.13 | 8.66 | 8.70 | 704707.0 |
| Jul 24, 2026 | 8.54 | 8.825 | 8.35 | 8.75 | 576837.0 |
| Jul 23, 2026 | 8.27 | 8.625 | 8.23 | 8.53 | 532213.0 |
| Jul 22, 2026 | 8.69 | 8.79 | 8.43 | 8.44 | 542549.0 |
| Jul 21, 2026 | 8.72 | 8.81 | 8.51 | 8.75 | 647645.0 |
| Jul 20, 2026 | 8.66 | 8.85 | 8.545 | 8.67 | 549625.0 |
| Jul 17, 2026 | 8.40 | 8.799 | 8.275 | 8.66 | 408386.0 |
| Jul 16, 2026 | 8.40 | 8.66 | 8.075 | 8.47 | 659663.0 |
| Jul 15, 2026 | 8.58 | 8.63 | 8.42 | 8.43 | 504691.0 |
| Jul 14, 2026 | 8.77 | 8.88 | 8.61 | 8.64 | 530318.0 |
| Jul 13, 2026 | 9.17 | 9.19 | 8.76 | 8.83 | 781732.0 |
| Jul 10, 2026 | 9.64 | 9.82 | 9.03 | 9.24 | 505131.0 |
| Jul 09, 2026 | 9.83 | 10.02 | 9.55 | 9.64 | 482230.0 |
| Jul 08, 2026 | 9.66 | 9.86 | 9.56 | 9.85 | 444246.0 |
| Jul 07, 2026 | 9.62 | 9.78 | 9.33 | 9.68 | 520543.0 |
| Jul 06, 2026 | 9.65 | 9.84 | 9.465 | 9.50 | 403738.0 |
| Jul 02, 2026 | 9.61 | 10.15 | 9.57 | 9.69 | 462875.0 |
| Jul 01, 2026 | 9.74 | 10.00 | 9.47 | 9.58 | 436692.0 |
Price Definition
The price of a security measures the cost to purchase 1 share of a security. For a company, price can be multiplied by shares outstanding to find the market capitalization (value of the company).
Price Range, Past 5 Years
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Median
Price Benchmarks
| Alkermes Plc | 48.79 |
| Amarin Corp. Plc | 14.33 |
| Agenus, Inc. | 7.48 |
| Amgen, Inc. | 402.94 |
| Anika Therapeutics, Inc. | 20.06 |
Price Related Metrics
| PS Ratio | 7.768 |
| PEG Ratio | -0.0840 |
| Price to Book Value | 1.418 |
| Earnings Yield | -33.67% |
| Market Cap | 443.19M |
| PEGY Ratio | -0.0840 |