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PSX vs UCAR: Correlation

Measured on weekly returns over the past three years, Phillips 66 (PSX) and U Power Limited - Class A (UCAR) carry a correlation of -0.17, a negative link.

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

Correlation (3Y)
-0.17
negative
Correlation (1Y)
-0.36
last 12 months
Correlation (5Y)
n/a
long-run
Ann. covariance
-1074.5
%² · weekly, annualized

How correlated are PSX and UCAR?

On 3 years of weekly data the PSX/UCAR correlation comes out at -0.17, negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.36 versus -0.17 over 3 years. The 5-year figure is n/a, and annualized covariance runs at -1074.5 %².

By 3-year correlation, UCAR places #25 of the 34 assets tracked against PSX. Correlation aside, the last 12 months split them widely, with PSX ahead by 183.1 points (+86.2% versus -96.9%). Note the risk asymmetry: UCAR runs 5.6 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.

PSX vs UCAR: side by side

PSX (Phillips 66)UCAR (U Power Limited - Class A)
1-year return+86.2%-96.9%
5-year return+301.8%n/a
Volatility (ann.)33.4%186.9%
Beta vs S&P 5000.582.54
Max drawdown (3Y)-44.4%-100.0%
Market cap$96.1B
P/E (trailing)13.8
Dividend yield2.04%0.00%
Sector / categoryEnergyUS Listed
Higher yield: PSX 2.04% vs 0.00%Smaller drawdown: PSX -44.4% vs -100.0%
-97%0%+90%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. PSX · UCAR

Year-by-year returns

YearPSXUCAR
2022+49.6%
2023+33.1%
2024-11.6%-64.0%
2025+17.5%-77.1%
2026+89.7%-95.8%

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

Are PSX and UCAR good diversifiers for each other?

Yes. With a correlation of -0.17, PSX and UCAR have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

FAQ

What is the correlation between PSX and UCAR?

The PSX/UCAR correlation stands at -0.17 on a 3-year window (1 year: -0.36, 5 years: n/a), computed from weekly returns as of 2026-08-27.

Is UCAR a good diversifier for PSX?

Yes. With a correlation of -0.17, PSX and UCAR have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

What does a correlation of -0.17 mean?

A reading of -0.17 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/psx-vs-ucar.json

PSX vs UCAR: 3-year weekly correlation -0.17PSX vs UCAR-0.17

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Hubs: PSX correlations · UCAR correlations