NCRA vs PTC: Correlation
Measured on weekly returns over the past three years, Nocera, Inc. (NCRA) and PTC Inc. (PTC) carry a correlation of 0.36, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NCRA and PTC?
On 3 years of weekly data the NCRA/PTC correlation comes out at 0.36, moderate. The link has tightened recently: the 1-year correlation (0.50) runs above the 3-year figure (0.36). The 5-year figure is 0.23, and annualized covariance runs at 969.0 %².
Few assets follow NCRA as closely as PTC, which ranks #1 of 12 tracked partners. The last year tells two different stories: PTC led by 69.5 percentage points, -96.1% for NCRA against -26.6% for PTC. One caveat on sizing: NCRA is 3.2 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.
NCRA vs PTC: side by side
| NCRA (Nocera, Inc.) | PTC (PTC Inc.) | |
|---|---|---|
| 1-year return | -96.1% | -26.6% |
| 5-year return | -99.1% | +20.0% |
| Volatility (ann.) | 92.8% | 28.8% |
| Beta vs S&P 500 | 1.42 | 1.02 |
| Max drawdown (3Y) | -97.7% | -48.1% |
| Market cap | – | $17.2B |
| P/E (trailing) | – | 14.7 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | Information Technology |
Year-by-year returns
| Year | NCRA | PTC |
|---|---|---|
| 2022 | -85.8% | -0.9% |
| 2023 | +3.1% | +45.8% |
| 2024 | -35.9% | +5.1% |
| 2025 | +0.4% | -5.3% |
| 2026 | -93.1% | -8.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NCRA and PTC good diversifiers for each other?
Reasonably. At 0.36, NCRA and PTC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between NCRA and PTC?
As of 2026-08-27, the correlation of weekly returns between NCRA and PTC is 0.36 over 3 years, 0.50 over 1 year and 0.23 over 5 years.
Is PTC a good diversifier for NCRA?
Reasonably. At 0.36, NCRA and PTC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.36 mean?
On the −1 to +1 scale, 0.36 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ncra-vs-ptc.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ncra-vs-ptc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: NCRA correlations · PTC correlations