Prothena Statistics
NASDAQ: PRTAHealth CareBiotechnology: Pharmaceutical PreparationsUSD
8.59+0.11 (+1.30%)
Market open · Delayed 15 min · as of Oct 8, 1:13 PM ET
Prothena by the numbers
Prothena has a market capitalization of $441.0 million based on 51.34M shares outstanding. With trailing EPS of $-0.82, Prothena is unprofitable on a 12-month basis, so earnings-based valuation ratios do not apply. The stock trades 3.0% below its 50-day average and 7.7% below its 200-day average.
Average daily trading volume is 482.01K shares, or about $4.1 million in dollar volume.
Summary generated from market data by MetaCap's automated system. Methodology
PRTA valuation vs. peer median
| Metric | PRTA | Peer median | Difference |
|---|---|---|---|
| Market cap | $440.98M | $446.85M | -1% |
| Avg. volume | 482.01K | 890.93K | -46% |
Peer median across 8 companies: RZLT, KMDA, SPRY, DMAC, AVIR, OVID, ASMB, CAPR.
Valuation
- Market cap
- $440.98M
- EPS (TTM)
- $-0.82
- Shares outstanding
- 51.34M
Price and trading
- Previous close
- 8.48
- Open
- 8.43
- Day range
- 8.36 – 8.62
- 52-week range
- 7.73 – 11.80
- 52-week change
- -16.62%
- Beta
- —
- Volume
- 208.11K
- Average volume
- 482.01K
Dividends and events
- Annual dividend
- None
- Next earnings date
- Nov 5, 2026
Additional statistics
- Market Cap
- 440.98M
- Forward Pe
- -5.65
- Eps
- -0.82
- Dividend Yield
- 0.00%
- Dividend Rate
- 0.00
- Week52 High
- 11.80
- Week52 Low
- 7.73
- Avg Volume
- 482.01K
- Shares Outstanding
- 51.34M
- Ma50
- 8.86
- Ma200
- 9.30
- Earnings Date
- Nov 5, 2026
- Pct From52w High
- -27.20%
- Pct From52w Low
- 11.13%