PairBook
HomeALT › ALT vs EYPT

ALT vs EYPT: Correlation

How closely do Altimmune, Inc. (ALT) and EyePoint, Inc. (EYPT) trade together? Their weekly returns over three years give a correlation of 0.50, which is moderate.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.50
moderate
Correlation (1Y)
0.09
last 12 months
Correlation (5Y)
0.40
long-run
Ann. covariance
6705.3
%² · weekly, annualized

How correlated are ALT and EYPT?

On 3 years of weekly data the ALT/EYPT correlation comes out at 0.50, moderate. The past 12 months show a weaker link (0.09) than the 3-year average (0.50). The 5-year figure is 0.40, and annualized covariance runs at 6705.3 %².

In ALT's tracked universe of 13 assets, EYPT sits right near the top at #2. Correlation aside, the last 12 months split them widely, with ALT ahead by 49.2 points (-11.7% versus -60.9%).

How is this computed?

Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.

ALT vs EYPT: side by side

ALT (Altimmune, Inc.)EYPT (EyePoint, Inc.)
1-year return-11.7%-60.9%
5-year return-77.0%-54.3%
Volatility (ann.)94.4%141.5%
Beta vs S&P 5001.912.40
Max drawdown (3Y)-81.2%-86.1%
Market cap$0.6B$0.4B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: ALT -81.2% vs -86.1%Higher 5y return: EYPT -54.3% vs -77.0%
-67%0%+48%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). ALT · EYPT

Year-by-year returns

YearALTEYPT
2022+79.6%-71.4%
2023-31.6%+560.3%
2024-35.9%-67.8%
2025-49.9%+145.2%
2026-10.2%-74.7%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are ALT and EYPT good diversifiers for each other?

Only partially. A correlation of 0.50 means ALT and EYPT share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

FAQ

What is the correlation between ALT and EYPT?

The ALT/EYPT correlation stands at 0.50 on a 3-year window (1 year: 0.09, 5 years: 0.40), computed from weekly returns as of 2026-08-27.

Is EYPT a good diversifier for ALT?

Only partially. A correlation of 0.50 means ALT and EYPT share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.50 mean?

On the −1 to +1 scale, 0.50 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/alt-vs-eypt.json

ALT vs EYPT: 3-year weekly correlation 0.50ALT vs EYPT0.50

Drop this badge in a README or notebook; it updates with the data:

[![ALT vs EYPT correlation](https://www.pairbook.io/api/v1/badge/alt-vs-eypt.svg)](https://www.pairbook.io/pair/alt-vs-eypt/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: ALT correlations · EYPT correlations