PairBook
HomeNNI › NNI vs VXX

NNI vs VXX: Correlation

Measured on weekly returns over the past three years, Nelnet, Inc. (NNI) and iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) carry a correlation of -0.39, a negative link.

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

Correlation (3Y)
-0.39
negative
Correlation (1Y)
-0.16
last 12 months
Correlation (5Y)
-0.37
long-run
Ann. covariance
-515.7
%² · weekly, annualized

How correlated are NNI and VXX?

On 3 years of weekly data the NNI/VXX correlation comes out at -0.39, negative, meaning they tend to move in opposite directions. Lately the two have moved closer together, with the 1-year correlation at -0.16 versus -0.39 over 3 years. The 5-year figure is -0.37, and annualized covariance runs at -515.7 %².

Among the 17 assets we track against NNI, VXX sits near the bottom by co-movement, at rank #16. The last year tells two different stories: NNI led by 49.5 percentage points, -0.2% for NNI against -49.7% for VXX. Note the risk asymmetry: VXX runs 2.8 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.

NNI vs VXX: side by side

NNI (Nelnet, Inc.)VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN)
1-year return-0.2%-49.7%
5-year return+67.8%-95.6%
Volatility (ann.)22.0%60.9%
Beta vs S&P 5000.59-3.31
Max drawdown (3Y)-18.5%-83.3%
Market cap$4.6B
P/E (trailing)15.3
Dividend yield1.01%0.00%
Sector / categoryUS ListedUS Listed
Higher yield: NNI 1.01% vs 0.00%Smaller drawdown: NNI -18.5% vs -83.3%Higher 5y return: NNI +67.8% vs -95.6%
-49%0%+11%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. NNI · VXX

Year-by-year returns

YearNNIVXX
2022-6.0%-23.8%
2023-1.6%-72.5%
2024+22.4%-26.2%
2025+25.7%-42.2%
2026-3.7%-31.6%

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

Are NNI and VXX good diversifiers for each other?

Yes: at -0.39, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between NNI and VXX?

As of 2026-08-27, the correlation of weekly returns between NNI and VXX is -0.39 over 3 years, -0.16 over 1 year and -0.37 over 5 years.

Is VXX a good diversifier for NNI?

Yes: at -0.39, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.39 mean?

On the −1 to +1 scale, -0.39 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/nni-vs-vxx.json

NNI vs VXX: 3-year weekly correlation -0.39NNI vs VXX-0.39

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

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

Free with attribution; caching and terms are described in the API documentation.

Related comparisons

Hubs: NNI correlations · VXX correlations