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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

Correlation (3Y)
0.33
moderate
Correlation (1Y)
0.27
last 12 months
Correlation (5Y)
0.21
long-run
Ann. covariance
2405.5
%² · weekly, annualized

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 5001.390.93
Max drawdown (3Y)-94.8%-77.7%
Market cap$0.6B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: XTNT -77.7% vs -94.8%Higher 5y return: STLN -36.1% vs -73.6%
-51%0%+96%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. STLN · XTNT

Year-by-year returns

YearSTLNXTNT
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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/stln-vs-xtnt.json

STLN vs XTNT: 3-year weekly correlation 0.33STLN vs XTNT0.33

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[![STLN vs XTNT correlation](https://www.pairbook.io/api/v1/badge/stln-vs-xtnt.svg)](https://www.pairbook.io/pair/stln-vs-xtnt/)

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Related comparisons

Hubs: STLN correlations · XTNT correlations