ALDX vs VLT: Correlation
Aldeyra Therapeutics, Inc. (ALDX) and Invesco High Income Trust II (VLT) show a moderate relationship: their 3-year correlation of weekly returns is 0.53.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ALDX and VLT?
Over the past 3 years, ALDX and VLT moved with a correlation of 0.53, which is moderate. The link has loosened recently: the 1-year correlation (0.42) runs below the 3-year figure (0.53). Over 5 years the correlation is 0.34, and the annualized covariance of weekly returns is 564.7 %².
Few assets follow ALDX as closely as VLT, which ranks #3 of 13 tracked partners. Correlation aside, the last 12 months split them widely, with VLT ahead by 72.4 points (-73.7% versus -1.3%). Note the risk asymmetry: ALDX runs 10.7 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
ALDX vs VLT: side by side
| ALDX (Aldeyra Therapeutics, Inc.) | VLT (Invesco High Income Trust II) | |
|---|---|---|
| 1-year return | -73.7% | -1.3% |
| 5-year return | -83.1% | +12.4% |
| Volatility (ann.) | 107.4% | 10.0% |
| Beta vs S&P 500 | 3.13 | 0.47 |
| Max drawdown (3Y) | -83.8% | -13.4% |
| Market cap | $0.1B | – |
| P/E (trailing) | – | 13.9 |
| Dividend yield | 0.00% | 11.52% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ALDX | VLT |
|---|---|---|
| 2022 | +74.0% | -20.9% |
| 2023 | -49.6% | +13.1% |
| 2024 | +42.2% | +17.3% |
| 2025 | +3.8% | +13.2% |
| 2026 | -70.3% | -4.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ALDX and VLT good diversifiers for each other?
To a limited degree. At 0.53 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between ALDX and VLT?
The ALDX/VLT correlation stands at 0.53 on a 3-year window (1 year: 0.42, 5 years: 0.34), computed from weekly returns as of 2026-08-27.
Is VLT a good diversifier for ALDX?
To a limited degree. At 0.53 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.53 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/aldx-vs-vlt.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/aldx-vs-vlt/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ALDX correlations · VLT correlations
