BBLG vs NSTS: Correlation
How closely do Bone Biologics Corp (BBLG) and NSTS Bancorp, Inc. (NSTS) trade together? Their weekly returns over three years give a correlation of 0.35, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BBLG and NSTS?
On 3 years of weekly data the BBLG/NSTS correlation comes out at 0.35, moderate. The link has loosened recently: the 1-year correlation (0.19) runs below the 3-year figure (0.35). The 5-year figure is 0.26, and annualized covariance runs at 926.7 %².
In BBLG's tracked universe of 14 assets, NSTS sits right near the top at #3. Their recent paths diverged sharply: over the last 12 months NSTS outperformed by 89.3 percentage points (-71.4% for BBLG against +17.9% for NSTS). Note the risk asymmetry: BBLG runs 7.4 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.
BBLG vs NSTS: side by side
| BBLG (Bone Biologics Corp) | NSTS (NSTS Bancorp, Inc.) | |
|---|---|---|
| 1-year return | -71.4% | +17.9% |
| 5-year return | -100.0% | +11.4% |
| Volatility (ann.) | 140.7% | 19.0% |
| Beta vs S&P 500 | 0.69 | 0.01 |
| Max drawdown (3Y) | -98.4% | -18.5% |
| Market cap | – | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BBLG | NSTS |
|---|---|---|
| 2022 | -94.0% | – |
| 2023 | -91.0% | -6.1% |
| 2024 | -79.2% | +24.1% |
| 2025 | -74.3% | +9.7% |
| 2026 | -57.6% | +8.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BBLG and NSTS good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.35 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between BBLG and NSTS?
Using weekly returns as of 2026-08-27: 0.35 over 3 years, with 0.19 over the last year and 0.26 over 5 years.
Is NSTS a good diversifier for BBLG?
Yes, to a useful degree: a correlation of 0.35 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.35 mean?
A reading of 0.35 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/bblg-vs-nsts.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bblg-vs-nsts/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BBLG correlations · NSTS correlations
