FIVN vs LUNG: Correlation
How closely do Five9, Inc. (FIVN) and Pulmonx Corporation (LUNG) trade together? Their weekly returns over three years give a correlation of 0.49, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FIVN and LUNG?
On 3 years of weekly data the FIVN/LUNG correlation comes out at 0.49, moderate. Recent behaviour matches the longer record: 0.50 over 1 year against 0.49 over 3. The 5-year figure is 0.49, and annualized covariance runs at 2423.5 %².
By 3-year correlation, LUNG places #13 of the 23 assets tracked against FIVN. Twelve-month performance is nearly a tie, at +28.0% for FIVN and +30.1% for LUNG. Note the risk asymmetry: LUNG runs 1.6 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
FIVN vs LUNG: side by side
| FIVN (Five9, Inc.) | LUNG (Pulmonx Corporation) | |
|---|---|---|
| 1-year return | +28.0% | +30.1% |
| 5-year return | -81.3% | -93.8% |
| Volatility (ann.) | 55.7% | 88.5% |
| Beta vs S&P 500 | 1.84 | 1.56 |
| Max drawdown (3Y) | -84.1% | -92.0% |
| Market cap | $2.6B | $0.1B |
| P/E (trailing) | 46.7 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | FIVN | LUNG |
|---|---|---|
| 2022 | -50.6% | -73.7% |
| 2023 | +16.0% | +51.2% |
| 2024 | -48.4% | -46.7% |
| 2025 | -50.7% | -67.5% |
| 2026 | +72.4% | +9.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FIVN and LUNG good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.49 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between FIVN and LUNG?
As of 2026-08-27, the correlation of weekly returns between FIVN and LUNG is 0.49 over 3 years, 0.50 over 1 year and 0.49 over 5 years.
Is LUNG a good diversifier for FIVN?
Yes, to a useful degree: a correlation of 0.49 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.49 mean?
A reading of 0.49 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: FIVN correlations · LUNG correlations
