AKBA vs HAPN: Correlation
How closely do Akebia Therapeutics, Inc. (AKBA) and Happen, Inc. (HAPN) trade together? Their weekly returns over three years give a correlation of 0.38, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AKBA and HAPN?
Over the past 3 years, AKBA and HAPN moved with a correlation of 0.38, which is moderate. Lately the two have drifted apart, with the 1-year correlation at 0.18 versus 0.38 over 3 years. Over 5 years the correlation is 0.25, and the annualized covariance of weekly returns is 1460.8 %².
Among the 12 assets we track against AKBA, HAPN ranks #5 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months HAPN outperformed by 78.5 percentage points (-68.8% for AKBA against +9.7% for HAPN).
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.
AKBA vs HAPN: side by side
| AKBA (Akebia Therapeutics, Inc.) | HAPN (Happen, Inc.) | |
|---|---|---|
| 1-year return | -68.8% | +9.7% |
| 5-year return | -66.7% | -35.2% |
| Volatility (ann.) | 75.3% | 51.5% |
| Beta vs S&P 500 | 1.02 | 1.56 |
| Max drawdown (3Y) | -79.0% | -52.2% |
| Market cap | $0.3B | $2.1B |
| P/E (trailing) | – | 11.0 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AKBA | HAPN |
|---|---|---|
| 2022 | -74.5% | -63.6% |
| 2023 | +114.9% | -0.7% |
| 2024 | +53.2% | +85.2% |
| 2025 | -15.3% | +17.0% |
| 2026 | -41.6% | -2.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AKBA and HAPN good diversifiers for each other?
Reasonably. At 0.38, AKBA and HAPN keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between AKBA and HAPN?
The AKBA/HAPN correlation stands at 0.38 on a 3-year window (1 year: 0.18, 5 years: 0.25), computed from weekly returns as of 2026-08-27.
Is HAPN a good diversifier for AKBA?
Reasonably. At 0.38, AKBA and HAPN keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.38 mean?
A reading of 0.38 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: AKBA correlations · HAPN correlations
