ISPR vs ULCC: Correlation
Measured on weekly returns over the past three years, Ispire Technology Inc. (ISPR) and Frontier Group Holdings, Inc. (ULCC) carry a correlation of 0.29, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ISPR and ULCC?
On 3 years of weekly data the ISPR/ULCC correlation comes out at 0.29, weak. Lately the two have drifted apart, with the 1-year correlation at 0.16 versus 0.29 over 3 years. The 5-year figure is n/a, and annualized covariance runs at 1982.9 %².
By 3-year correlation, ULCC places #5 of the 10 assets tracked against ISPR. The last year tells two different stories: ULCC led by 77.9 percentage points, -54.5% for ISPR against +23.4% for ULCC.
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.
ISPR vs ULCC: side by side
| ISPR (Ispire Technology Inc.) | ULCC (Frontier Group Holdings, Inc.) | |
|---|---|---|
| 1-year return | -54.5% | +23.4% |
| 5-year return | n/a | -61.9% |
| Volatility (ann.) | 85.1% | 81.0% |
| Beta vs S&P 500 | 1.12 | 2.06 |
| Max drawdown (3Y) | -93.3% | -70.4% |
| Market cap | $0.1B | $1.4B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ISPR | ULCC |
|---|---|---|
| 2022 | – | -24.3% |
| 2023 | – | -46.8% |
| 2024 | -58.5% | +30.2% |
| 2025 | -44.3% | -33.8% |
| 2026 | -49.3% | +25.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ISPR and ULCC good diversifiers for each other?
A fair diversifier. At 0.29, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between ISPR and ULCC?
As of 2026-08-27, the correlation of weekly returns between ISPR and ULCC is 0.29 over 3 years, 0.16 over 1 year and n/a over 5 years.
Is ULCC a good diversifier for ISPR?
A fair diversifier. At 0.29, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.29 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/ispr-vs-ulcc.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ispr-vs-ulcc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ISPR correlations · ULCC correlations
