Prothena (PRTA) Technical Analysis

As of 2026-10-26, PRTA last traded at 8.4 USD (+2.44% on the day) and is in a range on the daily timeframe — insufficient history for 200-DMA. Nearest levels: 8.175 USD support below, 8.99 USD resistance above. 14-day RSI is 57.1 (bullish).

Last updated 2026-10-26 · Source: 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 close8.4 USD (+2.44%)
20-day average8.408 USD
50-day average8.716 USD
200-day averagen/a

Key support and resistance levels for PRTA

Derived from swing pivots over the last 69 sessions:

LevelTypeStrengthTouches
8.99 USDResistanceMinor1
9.095 USDResistanceMinor1
9.31 USDResistanceMinor1
LevelTypeStrengthTouches
8.175 USDSupportModerate2
8.07 USDSupportModerate2
8 USDSupportMinor1

PRTA 52-week range, momentum and volatility

52-week high10.15 USD (17.2% below)
52-week low7.8 USD (7.7% above)
14-day RSI57.1 (Bullish)
14-day ATR0.415 USD (4.94% of price, High volatility)

Related research pages

More on PRTA

Frequently asked questions

Is Prothena (PRTA) in an uptrend or downtrend?

As of 2026-10-26, PRTA is in a range on the daily timeframe — insufficient history for 200-DMA. Last close 8.4 USD vs 50-day average 8.716 USD and 200-day average n/a.

What are the key support and resistance levels for PRTA?

Nearest support is around 8.175 USD (moderate, 2 touches). Nearest resistance is around 8.99 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 7.8 USD and 10.15 USD. It is currently 17.2% below its 52-week high.

Is PRTA overbought or oversold?

The 14-day RSI is 57.1 — in a neutral 30–70 range. Momentum reads as bullish.

How volatile is PRTA?

Its 14-day Average True Range is 0.415 (4.94% of price) — high volatility relative to price.