PairBook
HomeNNE › NNE vs SMMT

NNE vs SMMT: Correlation

How closely do Nano Nuclear Energy Inc. (NNE) and Summit Therapeutics Inc. (SMMT) trade together? Their weekly returns over three years give a correlation of 0.59, which is moderate.

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

Correlation (3Y)
0.59
moderate
Correlation (1Y)
0.34
last 12 months
Correlation (5Y)
n/a
long-run
Ann. covariance
15286.7
%² · weekly, annualized

How correlated are NNE and SMMT?

On 3 years of weekly data the NNE/SMMT correlation comes out at 0.59, moderate. The link has loosened recently: the 1-year correlation (0.34) runs below the 3-year figure (0.59). The 5-year figure is n/a, and annualized covariance runs at 15286.7 %².

Few assets follow NNE as closely as SMMT, which ranks #2 of 18 tracked partners. Twelve-month performance is nearly a tie, at -41.5% for NNE and -42.2% for SMMT.

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.

NNE vs SMMT: side by side

NNE (Nano Nuclear Energy Inc.)SMMT (Summit Therapeutics Inc.)
1-year return-41.5%-42.2%
5-year returnn/a+78.5%
Volatility (ann.)155.1%150.4%
Beta vs S&P 5004.182.43
Max drawdown (3Y)-77.7%-66.1%
Market cap$1.0B$11.4B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: SMMT -66.1% vs -77.7%
-51%0%+51%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. NNE · SMMT

Year-by-year returns

YearNNESMMT
2022+58.0%
2023-38.6%
2024+583.7%
2025-3.6%-2.0%
2026-19.9%-18.1%

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

Are NNE and SMMT good diversifiers for each other?

To a limited degree. At 0.59 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 NNE and SMMT?

The NNE/SMMT correlation stands at 0.59 on a 3-year window (1 year: 0.34, 5 years: n/a), computed from weekly returns as of 2026-08-27.

Is SMMT a good diversifier for NNE?

To a limited degree. At 0.59 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 0.59 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/nne-vs-smmt.json

NNE vs SMMT: 3-year weekly correlation 0.59NNE vs SMMT0.59

Embed this badge (it refreshes with the data), with attribution:

[![NNE vs SMMT correlation](https://www.pairbook.io/api/v1/badge/nne-vs-smmt.svg)](https://www.pairbook.io/pair/nne-vs-smmt/)

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

Related comparisons

Hubs: NNE correlations · SMMT correlations