GUTS vs VXX: Correlation
How closely do Fractyl Health, Inc. (GUTS) and iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) trade together? Their weekly returns over three years give a correlation of -0.25, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GUTS and VXX?
Across a 3-year window, the weekly returns of GUTS and VXX correlate at -0.25, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.22) sits close to the 3-year figure. Stretching to 5 years gives n/a, with an annualized covariance of -1739.8 %².
Among the 10 assets we track against GUTS, VXX sits near the bottom by co-movement, at rank #8. Correlation aside, the last 12 months split them widely, with GUTS ahead by 24.6 points (-25.1% versus -49.7%). Risk is not evenly split, since GUTS carries 1.8 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.
GUTS vs VXX: side by side
| GUTS (Fractyl Health, Inc.) | VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN) | |
|---|---|---|
| 1-year return | -25.1% | -49.7% |
| 5-year return | n/a | -95.6% |
| Volatility (ann.) | 108.3% | 60.9% |
| Beta vs S&P 500 | 1.43 | -3.31 |
| Max drawdown (3Y) | -96.9% | -83.3% |
| Market cap | $0.1B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | GUTS | VXX |
|---|---|---|
| 2022 | – | -23.8% |
| 2023 | – | -72.5% |
| 2024 | – | -26.2% |
| 2025 | +6.8% | -42.2% |
| 2026 | -66.3% | -31.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GUTS and VXX good diversifiers for each other?
Yes: at -0.25, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between GUTS and VXX?
As of 2026-08-27, the correlation of weekly returns between GUTS and VXX is -0.25 over 3 years, -0.22 over 1 year and n/a over 5 years.
Is VXX a good diversifier for GUTS?
Yes: at -0.25, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.25 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/guts-vs-vxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/guts-vs-vxx/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: GUTS correlations · VXX correlations
