Prothena Corp. Plc (PRTA)
9.29
-0.13
(-1.38%)
USD |
NASDAQ |
Aug 26, 15:24
Prothena Price : 9.29 for Aug. 26, 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 25, 2026 | 9.51 | 9.82 | 9.42 | 9.42 | 363714.0 |
| Aug 24, 2026 | 9.46 | 9.49 | 9.19 | 9.39 | 248124.0 |
| Aug 21, 2026 | 9.11 | 9.52 | 9.09 | 9.45 | 376045.0 |
| Aug 20, 2026 | 9.13 | 9.145 | 8.71 | 9.03 | 345968.0 |
| Aug 19, 2026 | 8.91 | 9.34 | 8.91 | 9.29 | 385539.0 |
| Aug 18, 2026 | 8.88 | 9.00 | 8.58 | 8.71 | 248561.0 |
| Aug 17, 2026 | 8.84 | 9.075 | 8.729 | 8.88 | 365922.0 |
| Aug 14, 2026 | 9.04 | 9.15 | 8.839 | 8.86 | 312601.0 |
| Aug 13, 2026 | 9.30 | 9.365 | 9.04 | 9.08 | 343057.0 |
| Aug 12, 2026 | 9.22 | 9.31 | 9.09 | 9.26 | 274927.0 |
| Aug 11, 2026 | 9.12 | 9.285 | 8.862 | 9.22 | 475252.0 |
| Aug 10, 2026 | 8.76 | 9.17 | 8.53 | 9.12 | 713688.0 |
| Aug 07, 2026 | 8.54 | 8.85 | 8.04 | 8.76 | 481885.0 |
| Aug 06, 2026 | 8.50 | 8.766 | 8.33 | 8.58 | 418686.0 |
| 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 |
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 | 49.13 |
| Amarin Corp. Plc | 14.35 |
| Agenus, Inc. | 8.24 |
| Amgen, Inc. | 440.78 |
| Anika Therapeutics, Inc. | 21.71 |
Price Related Metrics
| PS Ratio | 9.111 |
| Price to Book Value | 1.676 |
| Earnings Yield | -8.95% |
| Market Cap | 480.70M |