ATEC vs NRDS: Correlation
How closely do Alphatec Holdings, Inc. (ATEC) and NerdWallet, Inc. (NRDS) trade together? Their weekly returns over three years give a correlation of 0.40, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ATEC and NRDS?
On 3 years of weekly data the ATEC/NRDS correlation comes out at 0.40, moderate. Recent behaviour matches the longer record: 0.46 over 1 year against 0.40 over 3. The 5-year figure is 0.30, and annualized covariance runs at 1574.0 %².
In ATEC's tracked universe of 11 assets, NRDS sits right near the top at #3. Correlation aside, the last 12 months split them widely, with NRDS ahead by 33.5 points (-40.9% versus -7.4%).
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.
ATEC vs NRDS: side by side
| ATEC (Alphatec Holdings, Inc.) | NRDS (NerdWallet, Inc.) | |
|---|---|---|
| 1-year return | -40.9% | -7.4% |
| 5-year return | -29.0% | -65.7% |
| Volatility (ann.) | 71.5% | 55.3% |
| Beta vs S&P 500 | 0.88 | 1.08 |
| Max drawdown (3Y) | -70.3% | -55.4% |
| Market cap | $1.5B | $0.6B |
| P/E (trailing) | – | 10.9 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ATEC | NRDS |
|---|---|---|
| 2022 | +8.0% | -38.3% |
| 2023 | +22.3% | +53.3% |
| 2024 | -39.2% | -9.6% |
| 2025 | +129.2% | +1.9% |
| 2026 | -54.5% | -28.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ATEC and NRDS good diversifiers for each other?
A fair diversifier. At 0.40, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between ATEC and NRDS?
The ATEC/NRDS correlation stands at 0.40 on a 3-year window (1 year: 0.46, 5 years: 0.30), computed from weekly returns as of 2026-08-27.
Is NRDS a good diversifier for ATEC?
A fair diversifier. At 0.40, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.40 mean?
On the −1 to +1 scale, 0.40 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/atec-vs-nrds.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/atec-vs-nrds/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ATEC correlations · NRDS correlations
