QNBC vs SERV: Correlation
Measured on weekly returns over the past three years, QNB Corp. (QNBC) and Serve Robotics Inc. (SERV) carry a correlation of 0.43, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QNBC and SERV?
On 3 years of weekly data the QNBC/SERV correlation comes out at 0.43, moderate. The link has loosened recently: the 1-year correlation (-0.01) runs below the 3-year figure (0.43). The 5-year figure is n/a, and annualized covariance runs at 1254.2 %².
SERV is one of the assets that tracks QNBC most closely: it ranks #2 out of the 19 assets we track against QNBC. Their recent paths diverged sharply: over the last 12 months QNBC outperformed by 89.3 percentage points (+31.3% for QNBC against -58.0% for SERV). Risk is not evenly split, since SERV carries 10.9 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.
QNBC vs SERV: side by side
| QNBC (QNB Corp.) | SERV (Serve Robotics Inc.) | |
|---|---|---|
| 1-year return | +31.3% | -58.0% |
| 5-year return | +50.2% | n/a |
| Volatility (ann.) | 17.1% | 186.9% |
| Beta vs S&P 500 | -0.03 | 1.18 |
| Max drawdown (3Y) | -12.1% | -92.4% |
| Market cap | $0.3B | $0.4B |
| P/E (trailing) | 13.4 | – |
| Dividend yield | 3.43% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | QNBC | SERV |
|---|---|---|
| 2022 | -23.3% | – |
| 2023 | +4.7% | – |
| 2024 | +37.9% | – |
| 2025 | +7.7% | -23.1% |
| 2026 | +31.2% | -53.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QNBC and SERV good diversifiers for each other?
A fair diversifier. At 0.43, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between QNBC and SERV?
Using weekly returns as of 2026-08-27: 0.43 over 3 years, with -0.01 over the last year and n/a over 5 years.
Is SERV a good diversifier for QNBC?
A fair diversifier. At 0.43, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.43 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: QNBC correlations · SERV correlations
