PairBook
HomeBCX › BCX vs GGN

BCX vs GGN: Correlation

How closely do BlackRock Resources (BCX) and GAMCO Global Gold, Natural Resources & Income Trust (GGN) trade together? Their weekly returns over three years give a correlation of 0.65, which is strong.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.65
strong
Correlation (1Y)
0.62
last 12 months
Correlation (5Y)
0.70
long-run
Ann. covariance
239.2
%² · weekly, annualized

How correlated are BCX and GGN?

On 3 years of weekly data the BCX/GGN correlation comes out at 0.65, strong. Little has changed lately, as the 1-year reading of 0.62 lands near the 3-year figure. The 5-year figure is 0.70, and annualized covariance runs at 239.2 %².

GGN is one of the assets that tracks BCX most closely: it ranks #3 out of the 17 assets we track against BCX. On 12-month performance BCX holds a 12.9-point edge, +41.5% against +28.6%.

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 GGN: side by side

BCX (BlackRock Resources)GGN (GAMCO Global Gold, Natural Resources & Income Trust)
1-year return+41.5%+28.6%
5-year return+98.3%+128.2%
Volatility (ann.)20.0%18.5%
Beta vs S&P 5000.560.36
Max drawdown (3Y)-18.8%-16.9%
Market cap$1.0B
P/E (trailing)4.72.8
Dividend yield0.00%6.36%
Sector / categoryUS ListedUS Listed
Lower P/E: GGN 2.8 vs 4.7Higher yield: GGN 6.36% vs 0.00%Smaller drawdown: GGN -16.9% vs -18.8%Higher 5y return: GGN +128.2% vs +98.3%
-2%0%+42%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. BCX · GGN

Year-by-year returns

YearBCXGGN
2022+12.8%+6.8%
2023-4.8%+14.1%
2024+3.2%+9.6%
2025+40.4%+48.2%
2026+24.5%+15.4%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are BCX and GGN good diversifiers for each other?

To a limited degree. At 0.65 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between BCX and GGN?

As of 2026-08-27, the correlation of weekly returns between BCX and GGN is 0.65 over 3 years, 0.62 over 1 year and 0.70 over 5 years.

Is GGN a good diversifier for BCX?

To a limited degree. At 0.65 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.65 mean?

A reading of 0.65 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/bcx-vs-ggn.json

BCX vs GGN: 3-year weekly correlation 0.65BCX vs GGN0.65

Drop this badge in a README or notebook; it updates with the data:

[![BCX vs GGN correlation](https://www.pairbook.io/api/v1/badge/bcx-vs-ggn.svg)](https://www.pairbook.io/pair/bcx-vs-ggn/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: BCX correlations · GGN correlations