ACADACADIA Pharmaceuticals Inc.
What is the market doing?
No clear lean: rangebound and insiders net selling (often routine).
Rangebound, no clear trend. Oversold (RSI 6). Price is −19% vs its 200-day average.
Insiders were net sellers over the 90 days ending Oct 8, 2026; selling is often routine (taxes, diversification).
Moderately shorted, 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 ACAD is trading
ACADIA Pharmaceuticals Inc. is −19% over the past year while the S&P 500 is +18%: 37 points behind the market.
1-year return · S&P 500 +18%
- vs 200-day average
- −19%
vs 200-day average · a clear downtrend
- RSI (14)
- 6
RSI (14) · oversold, sold harder than it has been bought
- Below its 52-week high
- 35%
Below its 52-week high
Details›
- Last close2026-10-09
- $19.78
- 1 monthS&P 500 +2.7%
- −29%
- 1 yearS&P 500 +18%
- −19%
- 5 yearsS&P 500 +88%
- +25%
- vs 50-day average$26.26
- −25%
- 52-week high
- $30.57
- 52-week low
- $19.57
- Annualised volatility
- 45%
- Insider buying, net, 6 monthsForms 3/4/5 to 2026-10-08
- −$652K
| Year | Return |
|---|---|
| 2026 (year to date) | −26% |
| 2025 | +46% |
| 2024 | −41% |
| 2023 | +97% |
| 2022 | −32% |
| 2021 | −56% |
| 2020 | +25% |
| 2019 | +165% |
| 2018 | −46% |
| 2017 | +4.4% |
| Month | Years | Positive | Average |
|---|---|---|---|
| Jan | 10 | 4 of 10 | +3.8% |
| Feb | 10 | 7 of 10 | +3.3% |
| Mar | 10 | 1 of 10 | −13% |
| Apr | 10 | 3 of 10 | −7.8% |
| May | 10 | 5 of 10 | +3.3% |
| Jun | 10 | 6 of 10 | +1.7% |
| Jul | 11 | 7 of 11 | +4.5% |
| Aug | 11 | 5 of 11 | +0.08% |
| Sep | 11 | 4 of 11 | +0.11% |
| Oct | 11 | 5 of 11 | +0.35% |
| Nov | 10 | 6 of 10 | +5.4% |
| Dec | 10 | 6 of 10 | +6.3% |
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.