INTS vs SPOK: Correlation
How closely do Intensity Therapeutics, Inc. (INTS) and Spok Holdings, Inc. (SPOK) trade together? Their weekly returns over three years give a correlation of -0.27, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are INTS and SPOK?
Over the past 3 years, INTS and SPOK moved with a correlation of -0.27, which is negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.46) runs below the 3-year figure (-0.27). Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -1247.4 %².
Within INTS's tracked universe of 28 assets, SPOK comes in at #22 by 3-year correlation. Over the last 12 months SPOK came out ahead by 8.5 percentage points (-43.4% against -34.9%). One caveat on sizing: INTS is 6.4 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
INTS vs SPOK: side by side
| INTS (Intensity Therapeutics, Inc.) | SPOK (Spok Holdings, Inc.) | |
|---|---|---|
| 1-year return | -43.4% | -34.9% |
| 5-year return | n/a | +119.7% |
| Volatility (ann.) | 173.1% | 26.9% |
| Beta vs S&P 500 | 0.52 | 0.60 |
| Max drawdown (3Y) | -98.5% | -39.9% |
| Market cap | – | $0.2B |
| P/E (trailing) | – | 18.2 |
| Dividend yield | 0.00% | 12.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | INTS | SPOK |
|---|---|---|
| 2022 | – | +2.9% |
| 2023 | – | +108.0% |
| 2024 | -79.5% | +12.1% |
| 2025 | -76.7% | -10.9% |
| 2026 | -58.3% | -14.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are INTS and SPOK good diversifiers for each other?
Yes: at -0.27, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between INTS and SPOK?
The INTS/SPOK correlation stands at -0.27 on a 3-year window (1 year: -0.46, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is SPOK a good diversifier for INTS?
Yes: at -0.27, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.27 mean?
A reading of -0.27 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ints-vs-spok.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ints-vs-spok/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: INTS correlations · SPOK correlations
