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GSIT vs KALU: Correlation

How closely do GSI Technology, Inc. (GSIT) and Kaiser Aluminum Corporation (KALU) trade together? Their weekly returns over three years give a correlation of 0.45, which is moderate.

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

Correlation (3Y)
0.45
moderate
Correlation (1Y)
0.51
last 12 months
Correlation (5Y)
0.24
long-run
Ann. covariance
2266.4
%² · weekly, annualized

How correlated are GSIT and KALU?

On 3 years of weekly data the GSIT/KALU correlation comes out at 0.45, moderate. Little has changed lately, as the 1-year reading of 0.51 lands near the 3-year figure. The 5-year figure is 0.24, and annualized covariance runs at 2266.4 %².

Few assets follow GSIT as closely as KALU, which ranks #3 of 11 tracked partners. On 12-month performance KALU holds a 6.5-point edge, +97.3% against +103.8%. Note the risk asymmetry: GSIT runs 2.3 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.

GSIT vs KALU: side by side

GSIT (GSI Technology, Inc.)KALU (Kaiser Aluminum Corporation)
1-year return+97.3%+103.8%
5-year return+5.1%+51.7%
Volatility (ann.)109.2%46.6%
Beta vs S&P 5003.121.72
Max drawdown (3Y)-66.7%-48.9%
Market cap$0.2B$2.6B
P/E (trailing)11.6
Dividend yield0.00%1.98%
Sector / categoryUS ListedUS Listed
Higher yield: KALU 1.98% vs 0.00%Smaller drawdown: KALU -48.9% vs -66.7%Higher 5y return: KALU +51.7% vs +5.1%
-1%0%+239%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. GSIT · KALU

Year-by-year returns

YearGSITKALU
2022-62.6%-16.2%
2023+52.6%-2.1%
2024+14.8%+2.7%
2025+105.0%+70.1%
2026-4.3%+38.5%

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

Are GSIT and KALU good diversifiers for each other?

Reasonably. At 0.45, GSIT and KALU keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between GSIT and KALU?

The GSIT/KALU correlation stands at 0.45 on a 3-year window (1 year: 0.51, 5 years: 0.24), computed from weekly returns as of 2026-08-27.

Is KALU a good diversifier for GSIT?

Reasonably. At 0.45, GSIT and KALU keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.45 mean?

A reading of 0.45 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

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GSIT vs KALU: 3-year weekly correlation 0.45GSIT vs KALU0.45

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Hubs: GSIT correlations · KALU correlations