BCX vs PHIO: Correlation
Measured on weekly returns over the past three years, BlackRock Resources (BCX) and Phio Pharmaceuticals Corp. (PHIO) carry a correlation of 0.36, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BCX and PHIO?
Across a 3-year window, the weekly returns of BCX and PHIO correlate at 0.36, moderate. Recent behaviour matches the longer record: 0.33 over 1 year against 0.36 over 3. Stretching to 5 years gives 0.15, with an annualized covariance of 820.9 %².
By 3-year correlation, PHIO places #12 of the 17 assets tracked against BCX. Correlation aside, the last 12 months split them widely, with BCX ahead by 86.3 points (+41.5% versus -44.8%). Risk is not evenly split, since PHIO carries 5.7 times the volatility of the other side.
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.
BCX vs PHIO: side by side
| BCX (BlackRock Resources) | PHIO (Phio Pharmaceuticals Corp.) | |
|---|---|---|
| 1-year return | +41.5% | -44.8% |
| 5-year return | +98.3% | -99.5% |
| Volatility (ann.) | 20.0% | 113.9% |
| Beta vs S&P 500 | 0.56 | 1.91 |
| Max drawdown (3Y) | -18.8% | -96.3% |
| Market cap | $1.0B | – |
| P/E (trailing) | 4.7 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BCX | PHIO |
|---|---|---|
| 2022 | +12.8% | -62.8% |
| 2023 | -4.8% | -83.0% |
| 2024 | +3.2% | -73.7% |
| 2025 | +40.4% | -41.7% |
| 2026 | +24.5% | +6.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BCX and PHIO good diversifiers for each other?
Reasonably. At 0.36, BCX and PHIO keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between BCX and PHIO?
The BCX/PHIO correlation stands at 0.36 on a 3-year window (1 year: 0.33, 5 years: 0.15), computed from weekly returns as of 2026-08-27.
Is PHIO a good diversifier for BCX?
Reasonably. At 0.36, BCX and PHIO keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.36 mean?
A reading of 0.36 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
$ curl https://www.pairbook.io/api/v1/pairs/bcx-vs-phio.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/bcx-vs-phio/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BCX correlations · PHIO correlations
