ALTAltimmune, Inc.

$2.11-46% 1Y
Latest close: a new 52-week lowOct 23, 2026what changed →

What is the market doing?

Watch

The market is leaning against it: in a downtrend (−37% vs 200-day) and a crowded short (+24% of shares).

2 to watch, 1 without data
TrendDowntrendderived · Oct 23, 2026

In a downtrend, below its 50- and 200-day averages. Oversold (RSI 20). Price is −37% vs its 200-day average.

Short interest24% of sharesFINRA · Sep 30, 2026

A crowded short, settled Sep 30, 2026, more than a week of normal trading to cover, a crowded exit.

Where this answer is blind. Insider selling is often routine (taxes, diversification); only cluster buying is a strong tell.

How ALT is trading

Altimmune, Inc. is −46% over the past year while the S&P 500 is +16%: 62 points behind the market.

−46%

1-year return · S&P 500 +16%

vs 200-day average
−37%

vs 200-day average · a clear downtrend

RSI (14)
20

RSI (14) · oversold, sold harder than it has been bought

Below its 52-week high
66%

Below its 52-week high

Oct 21, 2024$2.11 – $9.85 · dashed line: 200-day averageOct 23, 2026
Details›
Last close2026-10-23
$2.11
1 monthS&P 500 −0.94%
−31%
1 yearS&P 500 +16%
−46%
5 yearsS&P 500 +86%
−82%
vs 50-day average$2.92
−28%
52-week high
$6.18
52-week low
$2.11
Annualised volatility
82%
Calendar-year price return
YearReturn
2026 (year to date)−42%
2025−50%
2024−36%
2023−32%
2022+80%
2021−19%
2020+497%
2019−8.3%
2018−97%
Average return by calendar month, 2017–2026
MonthYearsPositiveAverage
Jan93 of 9+7.3%
Feb94 of 9+9.8%
Mar91 of 9−22%
Apr93 of 9−10%
May95 of 9+21%
Jun102 of 10+1.7%
Jul103 of 10+7.6%
Aug105 of 10+9.1%
Sep101 of 10−17%
Oct103 of 10−4.8%
Nov94 of 9+4.0%
Dec94 of 9+25%

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.