PairBook
HomeNA › NA vs TOVX

NA vs TOVX: Correlation

Measured on weekly returns over the past three years, Nano Labs Ltd - Class A (NA) and Theriva Biologics, Inc. (TOVX) carry a correlation of -0.27, a negative link.

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

Correlation (3Y)
-0.27
negative
Correlation (1Y)
-0.22
last 12 months
Correlation (5Y)
-0.21
long-run
Ann. covariance
-5351.7
%² · weekly, annualized

How correlated are NA and TOVX?

Over the past 3 years, NA and TOVX moved with a correlation of -0.27, which is negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.22 lands near the 3-year figure. Over 5 years the correlation is -0.21, and the annualized covariance of weekly returns is -5351.7 %².

TOVX is close to the least connected end of NA's tracked universe, ranking #16 of 17. Correlation aside, the last 12 months split them widely, with TOVX ahead by 25.4 points (-65.3% versus -39.9%). Note the risk asymmetry: NA runs 1.7 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.

NA vs TOVX: side by side

NA (Nano Labs Ltd - Class A)TOVX (Theriva Biologics, Inc.)
1-year return-65.3%-39.9%
5-year return-98.2%-99.8%
Volatility (ann.)181.1%108.1%
Beta vs S&P 5000.361.15
Max drawdown (3Y)-92.7%-98.8%
Market cap
P/E (trailing)2.10.2
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Lower P/E: TOVX 0.2 vs 2.1Smaller drawdown: NA -92.7% vs -98.8%Higher 5y return: NA -98.2% vs -99.8%
-66%0%+15%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. NA · TOVX

Year-by-year returns

YearNATOVX
2022-83.3%
2023+57.4%-4.4%
2024-50.5%-83.7%
2025-64.8%-88.0%
2026-32.7%+20.2%

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

Are NA and TOVX good diversifiers for each other?

Yes: at -0.27, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between NA and TOVX?

As of 2026-08-27, the correlation of weekly returns between NA and TOVX is -0.27 over 3 years, -0.22 over 1 year and -0.21 over 5 years.

Is TOVX a good diversifier for NA?

Yes: at -0.27, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.27 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

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

NA vs TOVX: 3-year weekly correlation -0.27NA vs TOVX-0.27

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

[![NA vs TOVX correlation](https://www.pairbook.io/api/v1/badge/na-vs-tovx.svg)](https://www.pairbook.io/pair/na-vs-tovx/)

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

Related comparisons

Hubs: NA correlations · TOVX correlations