CLPT vs SPY: Correlation
How closely do ClearPoint Neuro Inc. (CLPT) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.28, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CLPT and SPY?
On 3 years of weekly data the CLPT/SPY correlation comes out at 0.28, weak. Recent behaviour matches the longer record: 0.23 over 1 year against 0.28 over 3. The 5-year figure is 0.36, and annualized covariance runs at 368.7 %².
Among the 19 assets we track against CLPT, SPY sits near the bottom by co-movement, at rank #16. The last year tells two different stories: CLPT led by 29.2 percentage points, +49.8% for CLPT against +20.6% for SPY. One caveat on sizing: CLPT is 6.3 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
CLPT vs SPY: side by side
| CLPT (ClearPoint Neuro Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +49.8% | +20.6% |
| 5-year return | -12.5% | +82.4% |
| Volatility (ann.) | 91.6% | 14.5% |
| Beta vs S&P 500 | 1.76 | 1.00 |
| Max drawdown (3Y) | -70.7% | -18.8% |
| Market cap | $0.5B | – |
| 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 | CLPT | SPY |
|---|---|---|
| 2022 | -24.5% | -18.2% |
| 2023 | -19.8% | +26.2% |
| 2024 | +126.5% | +24.9% |
| 2025 | -11.1% | +17.7% |
| 2026 | +16.5% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CLPT and SPY good diversifiers for each other?
A fair diversifier. At 0.28, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between CLPT and SPY?
As of 2026-08-27, the correlation of weekly returns between CLPT and SPY is 0.28 over 3 years, 0.23 over 1 year and 0.36 over 5 years.
Is SPY a good diversifier for CLPT?
A fair diversifier. At 0.28, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.28 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
$ curl https://www.pairbook.io/api/v1/pairs/clpt-vs-spy.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/clpt-vs-spy/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: CLPT correlations · SPY correlations
