STLN vs XTNT: Correlation
How closely do Starling Oncology, Inc. (STLN) and Xtant Medical Holdings, Inc. (XTNT) trade together? Their weekly returns over three years give a correlation of 0.33, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are STLN and XTNT?
On 3 years of weekly data the STLN/XTNT correlation comes out at 0.33, moderate. Little has changed lately, as the 1-year reading of 0.27 lands near the 3-year figure. The 5-year figure is 0.21, and annualized covariance runs at 2405.5 %².
By 3-year correlation, XTNT places #6 of the 12 assets tracked against STLN. Correlation aside, the last 12 months split them widely, with STLN ahead by 129.1 points (+83.2% versus -45.9%). Note the risk asymmetry: STLN runs 1.9 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.
STLN vs XTNT: side by side
| STLN (Starling Oncology, Inc.) | XTNT (Xtant Medical Holdings, Inc.) | |
|---|---|---|
| 1-year return | +83.2% | -45.9% |
| 5-year return | -36.1% | -73.6% |
| Volatility (ann.) | 116.5% | 62.9% |
| Beta vs S&P 500 | 1.39 | 0.93 |
| Max drawdown (3Y) | -94.8% | -77.7% |
| Market cap | $0.6B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | STLN | XTNT |
|---|---|---|
| 2022 | -83.1% | +17.9% |
| 2023 | +23.6% | +71.2% |
| 2024 | -84.9% | -61.1% |
| 2025 | +1052.1% | +77.3% |
| 2026 | +78.1% | -57.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are STLN and XTNT good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.33 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between STLN and XTNT?
As of 2026-08-27, the correlation of weekly returns between STLN and XTNT is 0.33 over 3 years, 0.27 over 1 year and 0.21 over 5 years.
Is XTNT a good diversifier for STLN?
Yes, to a useful degree: a correlation of 0.33 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.33 mean?
A reading of 0.33 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/stln-vs-xtnt.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/stln-vs-xtnt/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: STLN correlations · XTNT correlations