RYTMRhythm Pharmaceuticals, Inc.
What is the market doing?
No clear lean: nothing decisive, though a crowded short (+15% of shares).
Rangebound, no clear trend. Oversold (RSI 22). Price is −8% vs its 200-day average.
Insiders were net sellers over the 90 days ending Oct 8, 2026; selling is often routine (taxes, diversification).
A crowded short, settled Sep 15, 2026, more than a week of normal trading to cover, a crowded exit.
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 RYTM is trading
Rhythm Pharmaceuticals, Inc. is −5.4% over the past year while the S&P 500 is +18%: 24 points behind the market.
1-year return · S&P 500 +18%
- vs 200-day average
- −7.6%
vs 200-day average · below trend, but not far
- RSI (14)
- 22
RSI (14) · oversold, sold harder than it has been bought
- Below its 52-week high
- 23%
Below its 52-week high
Details›
- Last close2026-10-09
- $90.85
- 1 monthS&P 500 +2.7%
- −11%
- 1 yearS&P 500 +18%
- −5.4%
- 5 yearsS&P 500 +88%
- +639%
- vs 50-day average$103.91
- −13%
- 52-week high
- $117.62
- 52-week low
- $75.82
- Annualised volatility
- 53%
- Insider buying, net, 6 monthsForms 3/4/5 to 2026-10-08
- −$428K
| Year | Return |
|---|---|
| 2026 (year to date) | −15% |
| 2025 | +91% |
| 2024 | +22% |
| 2023 | +58% |
| 2022 | +192% |
| 2021 | −66% |
| 2020 | +29% |
| 2019 | −15% |
| 2018 | −7.5% |
| Month | Years | Positive | Average |
|---|---|---|---|
| Jan | 9 | 3 of 9 | −5.2% |
| Feb | 9 | 3 of 9 | −4.9% |
| Mar | 9 | 1 of 9 | −5.7% |
| Apr | 9 | 5 of 9 | +1.4% |
| May | 9 | 3 of 9 | −4.6% |
| Jun | 9 | 5 of 9 | +6.6% |
| Jul | 9 | 4 of 9 | +25% |
| Aug | 9 | 6 of 9 | +21% |
| Sep | 9 | 3 of 9 | −4.7% |
| Oct | 9 | 3 of 9 | −1.9% |
| Nov | 9 | 7 of 9 | +14% |
| Dec | 9 | 5 of 9 | +4.1% |
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.