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IAF vs WPRT: Correlation

Measured on weekly returns over the past three years, abrdn Australia Equity Fund, Inc. (IAF) and Westport Fuel Systems Inc (WPRT) carry a correlation of 0.44, a moderate link.

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

Correlation (3Y)
0.44
moderate
Correlation (1Y)
0.29
last 12 months
Correlation (5Y)
0.37
long-run
Ann. covariance
428.3
%² · weekly, annualized

How correlated are IAF and WPRT?

Across a 3-year window, the weekly returns of IAF and WPRT correlate at 0.44, moderate. The past 12 months show a weaker link (0.29) than the 3-year average (0.44). Stretching to 5 years gives 0.37, with an annualized covariance of 428.3 %².

WPRT is close to the least connected end of IAF's tracked universe, ranking #11 of 14. Correlation aside, the last 12 months split them widely, with IAF ahead by 44.5 points (+9.0% versus -35.5%). Risk is not evenly split, since WPRT carries 2.8 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.

IAF vs WPRT: side by side

IAF (abrdn Australia Equity Fund, Inc.)WPRT (Westport Fuel Systems Inc)
1-year return+9.0%-35.5%
5-year return+23.6%-95.2%
Volatility (ann.)18.6%51.7%
Beta vs S&P 5000.881.44
Max drawdown (3Y)-23.6%-80.0%
Market cap$0.1B
P/E (trailing)7.7
Dividend yield10.76%0.00%
Sector / categoryUS ListedUS Listed
Higher yield: IAF 10.76% vs 0.00%Smaller drawdown: IAF -23.6% vs -80.0%Higher 5y return: IAF +23.6% vs -95.2%
-37%0%+10%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. IAF · WPRT

Year-by-year returns

YearIAFWPRT
2022-19.4%-67.5%
2023+10.4%-14.0%
2024+8.2%-45.9%
2025+14.9%-56.1%
2026+12.6%+17.8%

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

Are IAF and WPRT good diversifiers for each other?

A fair diversifier. At 0.44, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between IAF and WPRT?

As of 2026-08-27, the correlation of weekly returns between IAF and WPRT is 0.44 over 3 years, 0.29 over 1 year and 0.37 over 5 years.

Is WPRT a good diversifier for IAF?

A fair diversifier. At 0.44, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.44 mean?

A reading of 0.44 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/iaf-vs-wprt.json

IAF vs WPRT: 3-year weekly correlation 0.44IAF vs WPRT0.44

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Related comparisons

Hubs: IAF correlations · WPRT correlations