PairBook
HomeMTD › MTD vs NNI

MTD vs NNI: Correlation

Measured on weekly returns over the past three years, Mettler Toledo (MTD) and Nelnet, Inc. (NNI) carry a correlation of 0.55, a moderate link.

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

Correlation (3Y)
0.55
moderate
Correlation (1Y)
0.50
last 12 months
Correlation (5Y)
0.49
long-run
Ann. covariance
379.6
%² · weekly, annualized

How correlated are MTD and NNI?

On 3 years of weekly data the MTD/NNI correlation comes out at 0.55, moderate. The relationship has been stable: the 1-year correlation (0.50) sits close to the 3-year figure. The 5-year figure is 0.49, and annualized covariance runs at 379.6 %².

Among the 38 assets we track against MTD, NNI ranks #13 by 3-year correlation. The trailing year gives MTD the advantage: +9.5% versus -0.2%, a 9.7-point spread.

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.

MTD vs NNI: side by side

MTD (Mettler Toledo)NNI (Nelnet, Inc.)
1-year return+9.5%-0.2%
5-year return-11.4%+67.8%
Volatility (ann.)31.4%22.0%
Beta vs S&P 5001.000.59
Max drawdown (3Y)-36.6%-18.5%
Market cap$28.2B$4.6B
P/E (trailing)31.715.3
Dividend yield0.00%1.01%
Sector / categoryHealth CareUS Listed
Lower P/E: NNI 15.3 vs 31.7Higher yield: NNI 1.01% vs 0.00%Smaller drawdown: NNI -18.5% vs -36.6%Higher 5y return: NNI +67.8% vs -11.4%
-21%0%+14%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). MTD · NNI

Year-by-year returns

YearMTDNNI
2022-14.8%-6.0%
2023-16.1%-1.6%
2024+0.9%+22.4%
2025+13.9%+25.7%
2026+0.9%-3.7%

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

Are MTD and NNI good diversifiers for each other?

Only partially. A correlation of 0.55 means MTD and NNI 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 MTD and NNI?

Using weekly returns as of 2026-08-27: 0.55 over 3 years, with 0.50 over the last year and 0.49 over 5 years.

Is NNI a good diversifier for MTD?

Only partially. A correlation of 0.55 means MTD and NNI share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.55 mean?

A reading of 0.55 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

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

MTD vs NNI: 3-year weekly correlation 0.55MTD vs NNI0.55

Markdown for the live badge, attribution link included:

[![MTD vs NNI correlation](https://www.pairbook.io/api/v1/badge/mtd-vs-nni.svg)](https://www.pairbook.io/pair/mtd-vs-nni/)

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

Related comparisons

Hubs: MTD correlations · NNI correlations