NRSN vs SPY: Correlation
Measured on weekly returns over the past three years, NeuroSense Therapeutics Ltd. (NRSN) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.20, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NRSN and SPY?
Across a 3-year window, the weekly returns of NRSN and SPY correlate at 0.20, weak. Little has changed lately, as the 1-year reading of 0.27 lands near the 3-year figure. Stretching to 5 years gives 0.14, with an annualized covariance of 351.5 %².
Out of 10 assets tracked against NRSN, SPY lands near the bottom at #7. Correlation aside, the last 12 months split them widely, with SPY ahead by 81.4 points (-60.8% versus +20.6%). Risk is not evenly split, since NRSN carries 8.2 times the volatility of the other side.
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.
NRSN vs SPY: side by side
| NRSN (NeuroSense Therapeutics Ltd.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | -60.8% | +20.6% |
| 5-year return | -89.1% | +82.4% |
| Volatility (ann.) | 118.6% | 14.5% |
| Beta vs S&P 500 | 1.68 | 1.00 |
| Max drawdown (3Y) | -85.9% | -18.8% |
| Market cap | – | – |
| 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 | NRSN | SPY |
|---|---|---|
| 2022 | -50.4% | -18.2% |
| 2023 | -35.7% | +26.2% |
| 2024 | +52.9% | +24.9% |
| 2025 | -35.9% | +17.7% |
| 2026 | -42.9% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NRSN and SPY good diversifiers for each other?
Reasonably. At 0.20, NRSN and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between NRSN and SPY?
Using weekly returns as of 2026-08-27: 0.20 over 3 years, with 0.27 over the last year and 0.14 over 5 years.
Is SPY a good diversifier for NRSN?
Reasonably. At 0.20, NRSN and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.20 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: NRSN correlations · SPY correlations
