AMCI vs VTGN: Correlation
Measured on weekly returns over the past three years, AMC Robotics Corporation (AMCI) and Vistagen Therapeutics, Inc. (VTGN) carry a correlation of -0.50, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AMCI and VTGN?
Across a 3-year window, the weekly returns of AMCI and VTGN correlate at -0.50, negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.65 versus -0.50 over 3 years. Stretching to 5 years gives n/a, with an annualized covariance of -7606.5 %².
Out of 20 assets tracked against AMCI, VTGN lands near the bottom at #20. Correlation aside, the last 12 months split them widely, with AMCI ahead by 25.7 points (-66.2% versus -91.9%). Note the risk asymmetry: AMCI runs 1.9 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.
AMCI vs VTGN: side by side
| AMCI (AMC Robotics Corporation) | VTGN (Vistagen Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | -66.2% | -91.9% |
| 5-year return | n/a | -99.7% |
| Volatility (ann.) | 168.1% | 90.2% |
| Beta vs S&P 500 | 0.40 | 0.98 |
| Max drawdown (3Y) | -87.8% | -96.6% |
| Market cap | $0.1B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AMCI | VTGN |
|---|---|---|
| 2022 | – | -94.9% |
| 2023 | – | +71.3% |
| 2024 | +6.4% | -42.6% |
| 2025 | -30.6% | -77.6% |
| 2026 | -48.8% | -61.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AMCI and VTGN good diversifiers for each other?
Yes: at -0.50, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between AMCI and VTGN?
As of 2026-08-27, the correlation of weekly returns between AMCI and VTGN is -0.50 over 3 years, -0.65 over 1 year and n/a over 5 years.
Is VTGN a good diversifier for AMCI?
Yes: at -0.50, the two have gone their own ways historically, which is what genuine diversification looks like.
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
$ curl https://www.pairbook.io/api/v1/pairs/amci-vs-vtgn.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/amci-vs-vtgn/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: AMCI correlations · VTGN correlations
