AMPL vs LUNG: Correlation
Measured on weekly returns over the past three years, Amplitude, Inc. (AMPL) and Pulmonx Corporation (LUNG) carry a correlation of 0.45, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AMPL and LUNG?
Over the past 3 years, AMPL and LUNG moved with a correlation of 0.45, which is moderate. Recent behaviour matches the longer record: 0.51 over 1 year against 0.45 over 3. Over 5 years the correlation is 0.47, and the annualized covariance of weekly returns is 2223.5 %².
Among the 29 assets we track against AMPL, LUNG ranks #21 by 3-year correlation. The trailing year gives LUNG the advantage: +24.7% versus +30.1%, a 5.4-point spread. One caveat on sizing: LUNG is 1.6 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.
AMPL vs LUNG: side by side
| AMPL (Amplitude, Inc.) | LUNG (Pulmonx Corporation) | |
|---|---|---|
| 1-year return | +24.7% | +30.1% |
| 5-year return | -73.9% | -93.8% |
| Volatility (ann.) | 56.0% | 88.5% |
| Beta vs S&P 500 | 1.42 | 1.56 |
| Max drawdown (3Y) | -61.1% | -92.0% |
| Market cap | $1.9B | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AMPL | LUNG |
|---|---|---|
| 2022 | -77.2% | -73.7% |
| 2023 | +5.3% | +51.2% |
| 2024 | -17.1% | -46.7% |
| 2025 | +9.8% | -67.5% |
| 2026 | +23.3% | +9.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AMPL and LUNG good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.45 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between AMPL and LUNG?
As of 2026-08-27, the correlation of weekly returns between AMPL and LUNG is 0.45 over 3 years, 0.51 over 1 year and 0.47 over 5 years.
Is LUNG a good diversifier for AMPL?
Yes, to a useful degree: a correlation of 0.45 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.45 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: AMPL correlations · LUNG correlations
