ASMBAssembly Biosciences, Inc.
What is the market doing?
The market is leaning against it: in a downtrend (−28% vs 200-day) and heavily shorted (+14% of shares).
In a downtrend, below its 50- and 200-day averages. Price is −28% vs its 200-day average.
Heavily shorted, settled Sep 30, 2026, about a week of normal trading to cover.
Where this answer is blind. Insider selling is often routine (taxes, diversification); only cluster buying is a strong tell.
How ASMB is trading
Assembly Biosciences, Inc. is −30% over the past year while the S&P 500 is +16%: 46 points behind the market.
1-year return · S&P 500 +16%
- vs 200-day average
- −28%
vs 200-day average · a clear downtrend
- RSI (14)
- 33
RSI (14) · neutral
- Below its 52-week high
- 49%
Below its 52-week high
Details›
- Last close2026-10-23
- $19.78
- 1 monthS&P 500 −0.94%
- −16%
- 1 yearS&P 500 +16%
- −30%
- 5 yearsS&P 500 +86%
- −49%
- vs 50-day average$27.35
- −28%
- 52-week high
- $38.50
- 52-week low
- $19.78
- Annualised volatility
- 62%
- Insider selling, net, 6 monthsForms 3/4/5 to 2026-10-22
- $674
| Year | Return |
|---|---|
| 2026 (year to date) | −42% |
| 2025 | +116% |
| 2024 | +60% |
| 2023 | −37% |
| 2022 | −44% |
| 2021 | −61% |
| 2020 | −70% |
| 2019 | −9.5% |
| 2018 | −50% |
| 2017 | +272% |
| Month | Years | Positive | Average |
|---|---|---|---|
| Jan | 10 | 5 of 10 | +2.9% |
| Feb | 10 | 5 of 10 | +0.33% |
| Mar | 10 | 3 of 10 | −6.1% |
| Apr | 10 | 3 of 10 | −0.83% |
| May | 10 | 6 of 10 | +4.7% |
| Jun | 10 | 4 of 10 | +3.6% |
| Jul | 11 | 4 of 11 | −0.86% |
| Aug | 11 | 6 of 11 | +7.4% |
| Sep | 11 | 3 of 11 | −5.6% |
| Oct | 11 | 4 of 11 | +9.6% |
| Nov | 10 | 4 of 10 | −3.4% |
| Dec | 10 | 4 of 10 | +0.42% |
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.
Where the price stands
Its trend against the 50-day and 200-day averages, and the levels it keeps coming back to.
What it has returned
With dividends, year by year, month by month, and by calendar month on average.