CTXR vs PULM: Correlation
How closely do Citius Pharmaceuticals, Inc. (CTXR) and Pulmatrix, Inc. (PULM) trade together? Their weekly returns over three years give a correlation of -0.25, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CTXR and PULM?
Across a 3-year window, the weekly returns of CTXR and PULM correlate at -0.25, negative, meaning they tend to move in opposite directions. Lately the two have moved closer together, with the 1-year correlation at -0.01 versus -0.25 over 3 years. Stretching to 5 years gives -0.18, with an annualized covariance of -3640.6 %².
Among the 10 assets we track against CTXR, PULM sits near the bottom by co-movement, at rank #8. The trailing year gives CTXR the advantage: -54.1% versus -68.7%, a 14.6-point spread.
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.
CTXR vs PULM: side by side
| CTXR (Citius Pharmaceuticals, Inc.) | PULM (Pulmatrix, Inc.) | |
|---|---|---|
| 1-year return | -54.1% | -68.7% |
| 5-year return | -98.9% | -90.6% |
| Volatility (ann.) | 101.2% | 144.8% |
| Beta vs S&P 500 | 2.04 | -0.18 |
| Max drawdown (3Y) | -98.1% | -88.1% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CTXR | PULM |
|---|---|---|
| 2022 | -48.7% | -55.7% |
| 2023 | -4.2% | -52.1% |
| 2024 | -78.9% | +275.3% |
| 2025 | -80.6% | -68.1% |
| 2026 | -19.0% | -31.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CTXR and PULM good diversifiers for each other?
Yes: at -0.25, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between CTXR and PULM?
The CTXR/PULM correlation stands at -0.25 on a 3-year window (1 year: -0.01, 5 years: -0.18), computed from weekly returns as of 2026-08-27.
Is PULM a good diversifier for CTXR?
Yes: at -0.25, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.25 mean?
A reading of -0.25 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
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[](https://www.pairbook.io/pair/ctxr-vs-pulm/)
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Related comparisons
Hubs: CTXR correlations · PULM correlations
