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Prothena Corporation plc Ordinary Shares · Healthcare · Pharmaceutical Products
As of 2026-06-26, Prothena Corporation plc Ordinary Shares (PRTA) has a 3-month relative strength percentile of 51 within the TickerStance CS+ADRC universe (~5,000 tickers). Its Power rating (absolute 1–99) is 55. The current market Stance is 47 (Neutral). Sector: Healthcare. Average daily range 6.3%, relative volume 3.39×. TickerStance reports observed regime conditions across the full CS+ADRC universe; band assignment reflects current breadth, momentum, and macro inputs computed at the daily close. Percentile ranks run from 1 (weakest) to 99 (strongest) relative to all universe members on the same date.
Diluted EPS, last 8 quarters. Positive EPS uses YoY change.
Relative strength across horizons plus the leadership score.
Accumulation rating, relative volume, U/D ratio, breakout-day proof.
51 is not yet a leadership-grade RS read, Market Stance is 47
YoY sales growth, last 8 quarters. Sales must back the earnings story.
TTM operating margin. Expansion = real operating leverage.
YoY common shares outstanding. Down = buyback tailwind. Up > 2% = dilution flag.
Reported figures from SEC filings. No analyst estimates or forward guidance.
Daily range, ATR, beta, and the math for a 1-ADR stop.
PRTA is in a stage 1 base, week 2. Currently in a 41-day base; basing ADR 5.8% (broad 4.8%). VCP detected: no. RS line below base-start high. Distance from 50d / 200d: 2.5% / 3.7%.
No attention data for this ticker yet — it joins the daily scan once a baseline builds.
PRTA appears in 1 ETF as of Mar 2026: VXF at 0.01% weight, $5M notional.
Top 1 by value, from SEC N-PORT-P filings dated Mar 2026.
| ETF | Weight | Value |
|---|---|---|
| VXFVanguard Extended Market ETF | 0.01% | $5M |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | PRTA Jan avg: -8.26% median: -6.94% win: 25% σ: 10.19% n: 4 2022-04-12 → 2026-05-29 | PRTA Feb avg: 1.32% median: -1.49% win: 25% σ: 6.55% n: 4 2022-04-12 → 2026-05-29 | PRTA Mar avg: -8.23% median: -11.65% win: 25% σ: 14.41% n: 4 2022-04-12 → 2026-05-29 | PRTA Apr avg: -7.31% median: -15.33% win: 40% σ: 17.39% n: 5 2022-04-12 → 2026-05-29 | PRTA May avg: -7.23% median: -6.62% win: 40% σ: 27.62% n: 5 2022-04-12 → 2026-05-29 | PRTA Jun avg: 8.48% median: 1.25% win: 50% σ: 15.92% n: 4 2022-04-12 → 2026-05-29 (current) | PRTA Jul avg: 10.31% median: 12.98% win: 100% σ: 6.33% n: 4 2022-04-12 → 2026-05-29 | PRTA Aug avg: -4.88% median: -7.79% win: 25% σ: 17.96% n: 4 2022-04-12 → 2026-05-29 | PRTA Sep avg: 26.35% median: 5.19% win: 50% σ: 64.95% n: 4 2022-04-12 → 2026-05-29 | PRTA Oct avg: -2.83% median: 1.47% win: 75% σ: 14.97% n: 4 2022-04-12 → 2026-05-29 | PRTA Nov avg: -3.39% median: -2.32% win: 25% σ: 5.54% n: 4 2022-04-12 → 2026-05-29 | PRTA Dec avg: -4.45% median: -7.39% win: 25% σ: 11.60% n: 4 2022-04-12 → 2026-05-29 |