RAPP vs TLPH: Correlation
How closely do Rapport Therapeutics, Inc. (RAPP) and Talphera, Inc. (TLPH) trade together? Their weekly returns over three years give a correlation of 0.45, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RAPP and TLPH?
Over the past 3 years, RAPP and TLPH moved with a correlation of 0.45, which is moderate. Little has changed lately, as the 1-year reading of 0.54 lands near the 3-year figure. Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is 3460.4 %².
Among the 20 assets we track against RAPP, TLPH ranks #9 by 3-year correlation. The last year tells two different stories: RAPP led by 111.7 percentage points, +239.5% for RAPP against +127.8% for TLPH.
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.
RAPP vs TLPH: side by side
| RAPP (Rapport Therapeutics, Inc.) | TLPH (Talphera, Inc.) | |
|---|---|---|
| 1-year return | +239.5% | +127.8% |
| 5-year return | n/a | -94.6% |
| Volatility (ann.) | 89.6% | 88.9% |
| Beta vs S&P 500 | 1.91 | 1.27 |
| Max drawdown (3Y) | -75.5% | -73.5% |
| Market cap | $2.4B | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | RAPP | TLPH |
|---|---|---|
| 2022 | – | -79.8% |
| 2023 | – | -67.3% |
| 2024 | – | -29.7% |
| 2025 | +71.0% | +119.2% |
| 2026 | +67.5% | +7.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RAPP and TLPH good diversifiers for each other?
A fair diversifier. At 0.45, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between RAPP and TLPH?
As of 2026-08-27, the correlation of weekly returns between RAPP and TLPH is 0.45 over 3 years, 0.54 over 1 year and n/a over 5 years.
Is TLPH a good diversifier for RAPP?
A fair diversifier. At 0.45, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/rapp-vs-tlph.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/rapp-vs-tlph/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: RAPP correlations · TLPH correlations
