NASDAQ:PRTA Technical Analysis

Prothena Corp Public Ltd Co — Technical Analysis & Chart Patterns

14 formations appear in PRTA's daily price history. A hurst vtl upward break completed with an upward breakout on August 10, 2026; a donchian breakout, bullish completed with an upward breakout on August 11, 2026; a hurst fld upward cross completed with an upward breakout on August 14, 2026; a p&f bullish signal reversed completed with a downward breakout on September 10, 2026; a hurst fld downward cross completed with a downward breakout on September 14, 2026; a donchian breakout, bearish completed with a downward breakout on September 15, 2026; a hurst vtl downward break completed with a downward breakout on September 16, 2026; a spinning top, white printed a bullish signal on September 17, 2026; a long day, white printed a bullish signal on September 18, 2026; a complex head-and-shoulders top is currently forming and has not yet triggered; a Wyckoff markdown phase has been under way since April 28, 2026; a three falling peaks is currently forming and has not yet triggered; a triple bottom is currently forming and has not yet triggered; a three rising valleys is currently forming and has not yet triggered.

Signal balance Conflicted — signals cancel 4 bullish (5) · 4 bearish (7)
Live signals only, weighted by each pattern's measured edge (proven counts double promising, which counts double unproven; confirmed breakouts count full, forming setups, phases and candles half). Trades that already resolved don't vote. 4 signals from negative-edge patterns excluded.

Patterns

last close, adjusted
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FORMING
Complex Head-and-Shoulders Top — Feb 20, 2026 to Sep 21, 2026
BREAKOUT DOWN
Wyckoff Markdown Phase — Apr 28, 2026 to Sep 21, 2026
FORMING
Three Falling Peaks — May 8, 2026 to Sep 21, 2026
FORMING
Triple Bottom — Jun 11, 2026 to Sep 21, 2026
FORMING
Three Rising Valleys — Jun 11, 2026 to Sep 21, 2026
BREAKOUT UP
Long Day, White — Sep 18, 2026 to Sep 18, 2026 · broke out on Sep 18, 2026
BREAKOUT UP
Spinning Top, White — Sep 17, 2026 to Sep 17, 2026 · broke out on Sep 17, 2026
BREAKOUT DOWN
Hurst VTL Downward Break — Jun 11, 2026 to Sep 15, 2026 · broke out on Sep 16, 2026
BREAKOUT DOWN
Donchian Breakout, Bearish — Aug 17, 2026 to Sep 14, 2026 · broke out on Sep 15, 2026
BREAKOUT DOWN
Hurst FLD Downward Cross — Jul 28, 2026 to Sep 11, 2026 · broke out on Sep 14, 2026
BREAKOUT DOWN
P&F Bullish Signal Reversed — Jul 10, 2026 to Sep 9, 2026 · broke out on Sep 10, 2026
BREAKOUT UP
Hurst FLD Upward Cross — Jul 2, 2026 to Aug 13, 2026 · broke out on Aug 14, 2026
BREAKOUT UP
Donchian Breakout, Bullish — Jul 14, 2026 to Aug 10, 2026 · broke out on Aug 11, 2026
BREAKOUT UP
Hurst VTL Upward Break — May 8, 2026 to Aug 7, 2026 · broke out on Aug 10, 2026
Detected on this chart: Complex Head-and-Shoulders Top (forming now), Wyckoff Markdown Phase, Three Falling Peaks (forming now), Triple Bottom (forming now), Three Rising Valleys (forming now), Long Day, White, Spinning Top, White, Hurst VTL Downward Break, Donchian Breakout, Bearish, Hurst FLD Downward Cross, P&F Bullish Signal Reversed, Hurst FLD Upward Cross, Donchian Breakout, Bullish, Hurst VTL Upward Break. Subscribe to Pro to see each one drawn on the chart with its trigger price, measure-rule target, stop and simulated trade result.

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