SION - NASDAQ
Weekly Report for Sionna Therapeutics, Inc.
Entity & Brand
?Signals Snapshot
8-week window
?
Threshold Breach (Sell)
Mon, 18 Aug 2025
Source:
market_cycle
Signal close
?:
24.39
At the signal (week of Mon, 18 Aug 2025)
- Week change: +16.48%
- Closed near the weekly high (strong finish).
- Close sits at/above the short-term trend.
- Above the intermediate trend backdrop.
- Participation improving (volume trend rising).
- Since signal (perf): +5.13% over 4w; MFE +6.40% (1w), MAE -0.94% (3w).
Since the signal (to present)
MFE
?
MAE
?
Elapsed
4w
Current return
-5.13%
MFE
0.94%
(1w)
MAE
-6.40%
(3w)
ST: Below
MT: Above
Summary
At the threshold breach (sell) week
(Mon, 18 Aug 2025) you saw the bullet points above.
Since then,
price is
-5.13%
over 4 weeks.
Peak move [MFE]:
0.94%
(1w);
worst dip [MAE]:
-6.40%
(3w).
Current situation since SELL
Elapsed: 4w
Close then → now:
24.39 → 23.14
Δ:
-1.25
(-5.13%)
Now vs trend:
ST Below,
MT Above
Weekly snapshots
| Date | Close | % from Signal | ST | MT | Wk % |
|---|---|---|---|---|---|
| Mon, 18 Aug 2025 | 24.39 | 0.00% | Above | Above | 16.48% |
| Mon, 25 Aug 2025 | 24.62 | 0.94% | Above | Above | 1.32% |
| Mon, 1 Sep 2025 | 24.0 | -1.60% | Below | Above | -1.96% |
| Mon, 8 Sep 2025 | 22.83 | -6.40% | Below | Above | -8.64% |
| Mon, 15 Sep 2025 | 23.14 | -5.13% | Below | Above | 1.27% |
How to read this section
Left column describes the week the signal was generated (historical context).
Right column shows performance and posture since that signal to the present.
MFE
?
and MAE
?
quantify upside capture vs downside risk after the signal.
Price Overview
Tiles| Metric | Signal | Value | Notes | |
|---|---|---|---|---|
| Price Window | Positive | 36.76% over 8w | Endpoint return across the selected window. | |
| Return Volatility | Negative | 8.60% | Std dev of weekly returns — low is steadier, high is whipsaw-prone. | |
| Volume Trend | Positive | Rising | Slope of weekly volume across the window. | |
| Vs 8w High | Negative | -6.01% | Distance to the prior-window high (latest week excluded). |
Trend Overview
| Metric | Signal | Value | Notes | |
|---|---|---|---|---|
| Gauge Reading | Neutral | 77.2/100 | ||
| Direction | Positive | Rising | ||
| Acceleration | Positive | accelerating | ||
| Gauge Volatility | Neutral | High | ||
| Trend State | Positive | Strong Uptrend |
Trend State:
Strong Uptrend — gauge 77.2/100 — 8w slope 6.46; ST slope 6.68 pts/wk — vol high
Weekly Price Action
8 weeks| Week ending | Open | High | Low | Close | Change % | Volume (MA) Trend |
|---|---|---|---|---|---|---|
| Mon, 15 Sep 2025 | 22.85 | 24.77 | 21.74 | 23.14 | 1.27% | |
| Mon, 8 Sep 2025 | 24.99 | 26.47 | 20.60 | 22.83 | -8.64% | |
| Mon, 1 Sep 2025 | 24.48 | 26.48 | 21.70 | 24.00 | -1.96% | |
| Mon, 25 Aug 2025 | 24.30 | 26.50 | 23.67 | 24.62 | 1.32% | |
| Mon, 18 Aug 2025 | 20.94 | 25.00 | 20.50 | 24.39 | 16.48% | |
| Mon, 11 Aug 2025 | 18.61 | 21.70 | 17.12 | 20.82 | 11.88% | |
| Mon, 4 Aug 2025 | 17.02 | 18.22 | 16.48 | 17.67 | 3.82% | |
| Mon, 28 Jul 2025 | 18.87 | 20.55 | 16.38 | 16.92 | -10.33% | — |
Price Narrative
| Stands Out | No highlights available. |
|---|---|
| What to Watch | No watch items available. |
Trend Narrative
| Stands Out | Trend focus for week ending Mon, 15 Sep 2025. Gauge: 77.2/100; slope 6.46 pts/wk; short-term 6.68 pts/wk; accelerating. Gauge volatility: high. Momentum drawdown from 8w peak: 0.0 pts. Recovery attempt (crossed up to ≥60). |
|---|---|
| What to Watch | How to read this — High gauge and rising momentum — buyers in control. |
All Price Analysis
Complete dump ofmonthly_analysis.series & monthly_analysis.diagnostics
| Series | |
|---|---|
| Close Price | Change Pct: 36.761229314420795, Slope: 0.9417857142857139 |
| Change Percent | Vol: 8.601812309042787, Slope: -0.4497619047619049 |
| Volume | Slope: 169868.47619047618, Z Last: 1.228444721668634 |
| Deviation From Baseline | Last: 0.3694, Z Last: 0.15511244623135595, Slope: 0.040533095238095236 |
| Diagnostics | |
| Volume Trend | rising |
| Close Vs Recent High Pct | -6.011372867587329 |
| Conv Div | convergence |
| Momentum Trend | improving |
| Last Trend Label | Bullish |
| Close Vs Recent Low Pct | 36.761229314420795 |
| Ma Stack | mixed |
| Cross 4 8 | none |
| Price Vs Ma | mixed |
| Baseline Deviation | 0.3694 |
| Baseline Dir | widening |
What does it mean?
- 8-week price move: 36.76%. Weekly return volatility: 8.60%. Close is 6.01% below the prior-window 8-week high. and 36.76% above the prior-window 8-week low. Volume trend: rising. Latest week’s volume is 1.23σ from its 8-week average. Price/volume correlation (returns vs volume): 0.07. Price/volume correlation (returns vs volume change): -0.09. 26-week move: 194.03%. 52-week move: 194.03%. Price sits 0.37% above its medium-term baseline, and the distance is widening.
- How to read this — Price slope is upward, indicating persistent buying over the window. Elevated weekly volatility increases whipsaw risk. Volume and price are moving in the same direction — a constructive confirmation.
- Up-slope supports buying interest; pullbacks may be contained if activity stays firm.
All Trend Analysis
Complete dump oftrend_analysis.series & trend_analysis.diagnostics
| Series | |
|---|---|
| Trend Pos | Avg: 54.915625, Med: 55.7755, Rng: (36.532, 77.226), Vol: 15.086627679318365, Slope: 6.464607142857143, Last: 77.226 |
| Diagnostics | |
| Last Pos | 77.226 |
| Vol Band | high |
| Acceleration Label | Accelerating |
| Last Label | Bullish |
| State Label | Strong Uptrend |
| Slope 8W | 6.464607142857143 |
| Slope Short | 6.676899999999999 |
| Accel Value | 0.5609642857142847 |
| Drawdown From Peak Pts | 0.0 |
| Time In Bull | 3 |
| Time In Bear | 3 |
| Time In Mid | 2 |
| High Breakdown Recent | False |
| Midline Failure Recent | False |
| Bear Control Recent | False |
| Recovery Mid Recent | False |
| Recovery Bull Recent | True |
| Acc Upticks | 0 |
| Acc Opportunities | 0 |
| Acc Rate | None |
| Acc Longest Streak | 0 |
| Dist Downticks | 0 |
| Dist Opportunities | 0 |
| Dist Rate | None |
| Dist Longest Streak | 0 |
| Low Regime Bias | Mixed/None |
| High Regime Bias | Mixed/None |
What does it mean?
- Trend focus for week ending Mon, 15 Sep 2025. Gauge: 77.2/100; slope 6.46 pts/wk; short-term 6.68 pts/wk; accelerating. Gauge volatility: high. Momentum drawdown from 8w peak: 0.0 pts. Recovery attempt (crossed up to ≥60).
- How to read this — High gauge and rising momentum — buyers in control.
- Bias remains higher; pullbacks could be buyable if participation holds.
Final Conclusion
| Verdict | Neutral |
|---|---|
| Stars | ★★★☆☆ |
| Summary | Price window: 36. Trend: Strong Uptrend; gauge 77. In combination, liquidity confirms the move. |
| Strengths |
|
| Watch-outs |
|
Disclaimer. This report is provided for educational and informational purposes only and does not constitute investment advice, an offer, or a solicitation to buy or sell any security. Past performance is not indicative of future results. Markets involve risk, including possible loss of principal. Always perform your own research and consider consulting a qualified financial professional before making investment decisions.