LSBK vs SPY: Correlation
Measured on weekly returns over the past three years, Lake Shore Bancorp, Inc. (LSBK) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.23, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LSBK and SPY?
On 3 years of weekly data the LSBK/SPY correlation comes out at 0.23, weak. Little has changed lately, as the 1-year reading of 0.14 lands near the 3-year figure. The 5-year figure is 0.24, and annualized covariance runs at 76.3 %².
SPY is close to the least connected end of LSBK's tracked universe, ranking #7 of 11. The trailing year gives LSBK the advantage: +33.3% versus +20.6%, a 12.7-point spread. Risk is not evenly split, since LSBK carries 1.6 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.
LSBK vs SPY: side by side
| LSBK (Lake Shore Bancorp, Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +33.3% | +20.6% |
| 5-year return | +80.0% | +82.4% |
| Volatility (ann.) | 22.5% | 14.5% |
| Beta vs S&P 500 | 0.37 | 1.00 |
| Max drawdown (3Y) | -15.8% | -18.8% |
| Market cap | $0.1B | – |
| P/E (trailing) | 15.1 | – |
| Dividend yield | 2.09% | 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 | LSBK | SPY |
|---|---|---|
| 2022 | -15.0% | -18.2% |
| 2023 | -3.0% | +26.2% |
| 2024 | +22.4% | +24.9% |
| 2025 | +48.2% | +17.7% |
| 2026 | +19.1% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LSBK and SPY good diversifiers for each other?
Reasonably. At 0.23, LSBK and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between LSBK and SPY?
Using weekly returns as of 2026-08-27: 0.23 over 3 years, with 0.14 over the last year and 0.24 over 5 years.
Is SPY a good diversifier for LSBK?
Reasonably. At 0.23, LSBK and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.23 mean?
On the −1 to +1 scale, 0.23 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.
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Hubs: LSBK correlations · SPY correlations
