DYNDyne Therapeutics, Inc.
What is the market doing?
No clear lean: nothing decisive, though heavily shorted (+14% of shares).
Rangebound, no clear trend. Price is −14% vs its 200-day average.
Insiders were net sellers over the 90 days ending Oct 8, 2026; selling is often routine (taxes, diversification).
Heavily shorted, settled Sep 15, 2026, about a week of normal trading to cover. Up 12% since the previous count, up from 13.8% of shares outstanding three months ago.
Against the whole market›
Percentile against every name Ryufin tracks. Higher is better; the tick marks the middle of the market. Context, not one of the checks above.
Where this answer is blind. Insider selling is often routine (taxes, diversification); only cluster buying is a strong tell.
How DYN is trading
Dyne Therapeutics, Inc. is +27% over the past year while the S&P 500 is +18%: 8.5 points ahead of the market.
1-year return · S&P 500 +18%
- vs 200-day average
- −14%
vs 200-day average · a clear downtrend
- RSI (14)
- 45
RSI (14) · neutral
- Below its 52-week high
- 38%
Below its 52-week high
Details›
- Last close2026-10-09
- $16.65
- 1 monthS&P 500 +2.7%
- −9.5%
- 1 yearS&P 500 +18%
- +27%
- 5 yearsS&P 500 +88%
- +6.7%
- vs 50-day average$21.59
- −23%
- 52-week high
- $26.80
- 52-week low
- $12.37
- Annualised volatility
- 81%
- Insider buying, net, 6 monthsForms 3/4/5 to 2026-10-08
- $149K
| Year | Return |
|---|---|
| 2026 (year to date) | −15% |
| 2025 | −17% |
| 2024 | +77% |
| 2023 | +15% |
| 2022 | −2.5% |
| 2021 | −43% |
| Month | Years | Positive | Average |
|---|---|---|---|
| Jan | 6 | 2 of 6 | −1.1% |
| Feb | 6 | 2 of 6 | +1.3% |
| Mar | 6 | 3 of 6 | −2.6% |
| Apr | 6 | 2 of 6 | −0.32% |
| May | 6 | 4 of 6 | +3.4% |
| Jun | 6 | 4 of 6 | +6.0% |
| Jul | 6 | 5 of 6 | +16% |
| Aug | 6 | 2 of 6 | +3.9% |
| Sep | 6 | 1 of 6 | −10% |
| Oct | 7 | 3 of 7 | +3.2% |
| Nov | 6 | 3 of 6 | +9.7% |
| Dec | 6 | 2 of 6 | −4.5% |
End-of-day closes from IEX; the S&P 500 comparison uses SPY over the same window. Prices are a reference point, not a basis for trading decisions.