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HDSN vs VXX: Correlation

Measured on weekly returns over the past three years, Hudson Technologies, Inc. (HDSN) and iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) carry a correlation of -0.30, a negative link.

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

Correlation (3Y)
-0.30
negative
Correlation (1Y)
-0.43
last 12 months
Correlation (5Y)
-0.26
long-run
Ann. covariance
-763.8
%² · weekly, annualized

How correlated are HDSN and VXX?

On 3 years of weekly data the HDSN/VXX correlation comes out at -0.30, negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.43) than the 3-year average (-0.30). The 5-year figure is -0.26, and annualized covariance runs at -763.8 %².

Among the 12 assets we track against HDSN, VXX sits near the bottom by co-movement, at rank #12. Neither side won the trailing year by much: -46.5% against -49.7%.

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.

HDSN vs VXX: side by side

HDSN (Hudson Technologies, Inc.)VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN)
1-year return-46.5%-49.7%
5-year return+68.6%-95.6%
Volatility (ann.)41.6%60.9%
Beta vs S&P 5000.74-3.31
Max drawdown (3Y)-67.6%-83.3%
Market cap$0.2B
P/E (trailing)24.9
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: HDSN -67.6% vs -83.3%Higher 5y return: HDSN +68.6% vs -95.6%
-52%0%+11%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. HDSN · VXX

Year-by-year returns

YearHDSNVXX
2022+127.9%-23.8%
2023+33.3%-72.5%
2024-58.6%-26.2%
2025+22.8%-42.2%
2026-20.0%-31.6%

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

Are HDSN and VXX good diversifiers for each other?

Yes: at -0.30, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between HDSN and VXX?

The HDSN/VXX correlation stands at -0.30 on a 3-year window (1 year: -0.43, 5 years: -0.26), computed from weekly returns as of 2026-08-27.

Is VXX a good diversifier for HDSN?

Yes: at -0.30, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.30 mean?

A reading of -0.30 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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HDSN vs VXX: 3-year weekly correlation -0.30HDSN vs VXX-0.30

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Hubs: HDSN correlations · VXX correlations