MPA vs VIVS: Correlation
How closely do Blackrock MuniYield Pennsylvania Quality Fund (MPA) and VivoSim Labs, Inc. (VIVS) trade together? Their weekly returns over three years give a correlation of 0.42, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MPA and VIVS?
Over the past 3 years, MPA and VIVS moved with a correlation of 0.42, which is moderate. Lately the two have moved closer together, with the 1-year correlation at 0.54 versus 0.42 over 3 years. Over 5 years the correlation is 0.34, and the annualized covariance of weekly returns is 525.5 %².
By 3-year correlation, VIVS places #8 of the 14 assets tracked against MPA. The last year tells two different stories: MPA led by 92.7 percentage points, +8.6% for MPA against -84.1% for VIVS. Note the risk asymmetry: VIVS runs 9.5 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.
MPA vs VIVS: side by side
| MPA (Blackrock MuniYield Pennsylvania Quality Fund) | VIVS (VivoSim Labs, Inc.) | |
|---|---|---|
| 1-year return | +8.6% | -84.1% |
| 5-year return | -10.2% | -99.7% |
| Volatility (ann.) | 11.5% | 109.4% |
| Beta vs S&P 500 | 0.27 | 1.58 |
| Max drawdown (3Y) | -14.7% | -98.7% |
| Market cap | $0.1B | – |
| P/E (trailing) | 33.5 | – |
| Dividend yield | 6.84% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | MPA | VIVS |
|---|---|---|
| 2022 | -31.0% | -61.2% |
| 2023 | +9.7% | -21.3% |
| 2024 | +6.3% | -58.6% |
| 2025 | +1.8% | -67.2% |
| 2026 | +3.2% | -83.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MPA and VIVS good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between MPA and VIVS?
The MPA/VIVS correlation stands at 0.42 on a 3-year window (1 year: 0.54, 5 years: 0.34), computed from weekly returns as of 2026-08-27.
Is VIVS a good diversifier for MPA?
Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.42 mean?
On the −1 to +1 scale, 0.42 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/mpa-vs-vivs.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/mpa-vs-vivs/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: MPA correlations · VIVS correlations
