NRDY vs SPY: Correlation
Nerdy Inc. (NRDY) and SPDR S&P 500 ETF Trust (SPY) show a near-zero relationship: their 3-year correlation of weekly returns is 0.04.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NRDY and SPY?
On 3 years of weekly data the NRDY/SPY correlation comes out at 0.04, near zero, meaning they move largely independently. Little has changed lately, as the 1-year reading of 0.04 lands near the 3-year figure. The 5-year figure is 0.05, and annualized covariance runs at 571.6 %².
Out of 10 assets tracked against NRDY, SPY lands near the bottom at #6. The last year tells two different stories: NRDY led by 640.4 percentage points, +661.0% for NRDY against +20.6% for SPY. Note the risk asymmetry: NRDY runs 75.7 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.
NRDY vs SPY: side by side
| NRDY (Nerdy Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +661.0% | +20.6% |
| 5-year return | +3.8% | +82.4% |
| Volatility (ann.) | 1097.1% | 14.5% |
| Beta vs S&P 500 | 2.74 | 1.00 |
| Max drawdown (3Y) | -94.2% | -18.8% |
| Market cap | $0.7B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 1.01% |
| Expense ratio | – | 0.09% |
| Assets under management | – | $795.3B |
| Sector / category | US Listed | ETF · US Large Cap |
SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.
Year-by-year returns
| Year | NRDY | SPY |
|---|---|---|
| 2022 | -50.0% | -18.2% |
| 2023 | +52.4% | +26.2% |
| 2024 | -52.8% | +24.9% |
| 2025 | -35.8% | +17.7% |
| 2026 | +895.2% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NRDY and SPY good diversifiers for each other?
Yes: at 0.04, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between NRDY and SPY?
As of 2026-08-27, the correlation of weekly returns between NRDY and SPY is 0.04 over 3 years, 0.04 over 1 year and 0.05 over 5 years.
Is SPY a good diversifier for NRDY?
Yes: at 0.04, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of 0.04 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.
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Related comparisons
Hubs: NRDY correlations · SPY correlations
