Prothena (PRTA) Technical Analysis
As of 2026-09-11, PRTA last traded at 8.93 USD (-3.98% on the day) and is in a range on the daily timeframe — insufficient history for 200-DMA. Nearest levels: 8.07 USD support below, 9.82 USD resistance above. 14-day RSI is 52.8 (neutral).
Last updated 2026-09-11 · Source: FMP end-of-day prices (adjusted); indicators computed by SniperIQ
Is PRTA in an uptrend or downtrend?
Prothena is in a range — insufficient history for 200-DMA.
| Last close | 8.93 USD (-3.98%) |
|---|---|
| 20-day average | 9.082 USD |
| 50-day average | n/a |
| 200-day average | n/a |
Key support and resistance levels for PRTA
Derived from swing pivots over the last 37 sessions:
| Level | Type | Strength | Touches |
|---|---|---|---|
| 9.82 USD | Resistance | Minor | 1 |
| 10.15 USD | Resistance | Minor | 1 |
| Level | Type | Strength | Touches |
|---|---|---|---|
| 8.07 USD | Support | Minor | 1 |
| 8 USD | Support | Minor | 1 |
PRTA 52-week range, momentum and volatility
| 52-week high | 10.15 USD (12% below) |
|---|---|
| 52-week low | 7.93 USD (12.6% above) |
| 14-day RSI | 52.8 (Neutral) |
| 14-day ATR | 0.404 USD (4.52% of price, High volatility) |
Related research pages
Frequently asked questions
Is Prothena (PRTA) in an uptrend or downtrend?
As of 2026-09-11, PRTA is in a range on the daily timeframe — insufficient history for 200-DMA. Last close 8.93 USD vs 50-day average n/a and 200-day average n/a.
What are the key support and resistance levels for PRTA?
Nearest support is around 8.07 USD (minor, 1 touch). Nearest resistance is around 9.82 USD (minor). Levels are derived from swing pivots over the last ~200 sessions.
What is PRTA's 52-week high and low?
Over the last 52 weeks, PRTA traded between 7.93 USD and 10.15 USD. It is currently 12.0% below its 52-week high.
Is PRTA overbought or oversold?
The 14-day RSI is 52.8 — in a neutral 30–70 range. Momentum reads as neutral.
How volatile is PRTA?
Its 14-day Average True Range is 0.404 (4.52% of price) — high volatility relative to price.