Sionna Therapeutics, Inc. (SION) Stock Analysis
Healthcare · Biotechnology
Sell if holding. Engine safety override at $35.92: Quality below floor (1.2 < 4.0) triggers a hard block regardless of the otherwise-positive setup — overall score 4.5/10 and A.R:R 1.7:1 is above the 1.5:1 BUY gate. Specifically: High short interest: 17%; Elevated put/call ratio: 2.00; Below-average business quality.
Sionna Therapeutics is a clinical-stage CF biopharma developing NBD1 stabilizers for cystic fibrosis: SION-719 in Phase 2a as add-on to standard of care (topline data expected mid-2026) and SION-451 in Phase 1 dual-combination trials. The company has no approved products and is... Read more
Sell if holding. Engine safety override at $35.92: Quality below floor (1.2 < 4.0) triggers a hard block regardless of the otherwise-positive setup — overall score 4.5/10 and A.R:R 1.7:1 is above the 1.5:1 BUY gate. Specifically: High short interest: 17%; Elevated put/call ratio: 2.00; Below-average business quality. Chart setup: No clear chart pattern; technical signals are mixed. Score 4.5/10, moderate confidence.
Passes 7/8 gates (favorable risk/reward ratio, clean insider activity, no SEC red flags, news events none recent, earnings proximity 57d clear, semi cycle peak clear, materials cycle peak clear). Fails on weak momentum. Suitability: aggressive.
Recent developments
updated 2026-06-14Recent Developments — Sionna Therapeutics, Inc.
Latest news
- NEWS Citizens Reiterates Market Outperform on Sionna Therapeutics, Maintains $63 Price Target — benzinga May 26, 2026 positive
- NEWS Stifel Maintains Buy on Sionna Therapeutics, Raises Price Target to $55 — benzinga May 18, 2026 positive
- NEWS BTIG Reiterates Buy on Sionna Therapeutics, Maintains $58 Price Target — benzinga May 13, 2026 positive
- NEWS Earnings Scheduled For May 12, 2026 — benzinga May 12, 2026 neutral
- NEWS This UFP Industries Analyst Turns Bullish; Here Are Top 4 Upgrades For Tuesday — benzinga May 5, 2026 positive
Generated 2026-06-15T18:11:47Z.
Upcoming dated catalysts
Thesis
Key Metrics
Quality Signals
Options Flow
Concentration Risks(10-K Item 1A)
- HIGHpipelineNBD1 stabilizers SION-719 and SION-45110-K Item 1A: 'We are substantially dependent on the success of at least one of our NBD1 stabilizer product candidates, SION-719 and SION-451'
Model-generated analysis — not investment advice. Not a registered investment advisor. Past performance does not guarantee future results.
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Rating Breakdown
3 floor-breakers
Volatile — 7.5% daily ATR makes tight stops impractical. Position-size conservatively.static
Quality below the gate floor. Component breakdown shows what dragged the score down.static
Price action weak — below key moving averages, no momentum carry. Needs a base before trend-continuation setups apply.static
Price Targets
Position Sizing
Risk Alerts
Earnings
Verdict History
Frequently Asked Questions
Sell if holding. Engine safety override at $35.92: Quality below floor (1.2 < 4.0) triggers a hard block regardless of the otherwise-positive setup — overall score 4.5/10 and A.R:R 1.7:1 is above the 1.5:1 BUY gate. Specifically: High short interest: 17%; Elevated put/call ratio: 2.00; Below-average business quality. Chart setup: No clear chart pattern; technical signals are mixed. Prior stop was $33.41. Score 4.5/10, moderate confidence.
Take-profit target: $44.89 (+25.0% upside). Prior stop was $33.41. Stop-loss: $33.41.
Concentration risk — Pipeline: NBD1 stabilizers SION-719 and SION-451; Quality below floor (1.2 < 4.0).
Sionna Therapeutics, Inc. trades at a P/E of N/A (forward -12.8). TrendMatrix value score: 7.5/10. Verdict: Sell.
17 analysts cover SION with a consensus score of 4.2/5. Average price target: $52.
What does Sionna Therapeutics, Inc. do?Sionna Therapeutics is a clinical-stage CF biopharma developing NBD1 stabilizers for cystic fibrosis: SION-719 in Phase...
Sionna Therapeutics is a clinical-stage CF biopharma developing NBD1 stabilizers for cystic fibrosis: SION-719 in Phase 2a as add-on to standard of care (topline data expected mid-2026) and SION-451 in Phase 1 dual-combination trials. The company has no approved products and is entirely dependent on the success of its NBD1 stabilizer pipeline.