AC
ACAD
ACADIA Pharmaceuticals Inc. $27.83 1M -5.5% 3M +30.1% YTD +5.9% as of 2026-09-11↑↓ next ticker · ⌘+↑↓ or scroll to zoom · ←→ pan · 0 reset
▲ buy ▼ sell · size ≈ trade size · earnings ● beat ● miss · ring ◯ before open ◯ after close · ─ moving averages · click the buttons above to hide them
Model view — historical tendencies for the days ahead, not a forecast
Next 1 day
+0.2%
Next 1 week
-1.0%
Next 1 month
-1.0%
Seasonality
Weak window historically
Next 30 days (to Oct 14): -7.1% median,
33% of the last 21 years finished up.
20-year seasonality chart →
Mean reversion
Neutral — RSI(2) at 63
RSI(2) under 15 is oversold (this name has historically bounced); over 85 is overbought.
Its dip-buy edge in history is -0.16%/day.
Mean-reversion stats →
1-month breakdown —
Market · β 0.85 -0.1% · Seasonal tilt -0.8%
$40M/day volume
38% volatility
+17% 1-year
-53% from ATH
52-week range · 72% of the way up · -10% from the high
$19.69$30.96
Congressional trades in ACAD Full tracker →
2 members · 0 buys / 3 sells · $3K–$45K disclosed · latest filing Jul 28, 2022.
| SELL | $1K–$15K | |
| SELL | $1K–$15K | |
| SELL | $1K–$15K |
Earnings Full history →
Next report 2026-11-04 (Wednesday, after close, in 51 days) · EPS est. 0.19.
1-day std dev
7.9%
Finished up
42%
Biggest pop
+16.7%
Biggest drop
-20.0%
Standard deviation of the close-to-close move over the last 60 reports. History, not a forecast.
Data from the U.S. House Clerk and FINRA, plus end-of-day prices. Not investment advice.