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ABTC vs XLK: Correlation

How closely do American Bitcoin Corp. (ABTC) and Technology Select Sector SPDR Fund (XLK) trade together? Their weekly returns over three years give a correlation of 0.40, which is moderate.

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

Correlation (3Y)
0.40
moderate
Correlation (1Y)
0.42
last 12 months
Correlation (5Y)
0.34
long-run
Ann. covariance
1561.6
%² · weekly, annualized

How correlated are ABTC and XLK?

On 3 years of weekly data the ABTC/XLK correlation comes out at 0.40, moderate. Little has changed lately, as the 1-year reading of 0.42 lands near the 3-year figure. The 5-year figure is 0.34, and annualized covariance runs at 1561.6 %².

XLK is one of the assets that tracks ABTC most closely: it ranks #3 out of the 13 assets we track against ABTC. Correlation aside, the last 12 months split them widely, with XLK ahead by 133.7 points (-90.3% versus +43.4%). Note the risk asymmetry: ABTC runs 6.8 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.

ABTC vs XLK: side by side

ABTC (American Bitcoin Corp.)XLK (Technology Select Sector SPDR Fund)
1-year return-90.3%+43.4%
5-year return-100.0%+145.2%
Volatility (ann.)163.6%24.0%
Beta vs S&P 5004.241.50
Max drawdown (3Y)-99.3%-25.7%
Market cap$1.1B
P/E (trailing)
Dividend yield0.00%0.45%
Expense ratio0.08%
Assets under management$115.4B
Sector / categoryUS ListedSector ETF
Higher yield: XLK 0.45% vs 0.00%Smaller drawdown: XLK -25.7% vs -99.3%Higher 5y return: XLK +145.2% vs -100.0%

On the fund side, XLK sits in the Technology category at State Street Investment Management, with $115.4B under management, 73 holdings, a 0.08% expense ratio, a 0.45% trailing dividend yield.

-95%0%+46%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). ABTC · XLK

Year-by-year returns

YearABTCXLK
2022-98.0%-27.7%
2023-37.0%+56.0%
2024-95.4%+21.6%
2025-15.2%+24.6%
2026-65.6%+31.3%

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

Are ABTC and XLK good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.40 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between ABTC and XLK?

Using weekly returns as of 2026-08-27: 0.40 over 3 years, with 0.42 over the last year and 0.34 over 5 years.

Is XLK a good diversifier for ABTC?

Yes, to a useful degree: a correlation of 0.40 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.40 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

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ABTC vs XLK: 3-year weekly correlation 0.40ABTC vs XLK0.40

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Hubs: ABTC correlations · XLK correlations