BDC vs IDCC: Correlation
Measured on weekly returns over the past three years, Belden Inc (BDC) and InterDigital, Inc. (IDCC) carry a correlation of 0.45, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BDC and IDCC?
On 3 years of weekly data the BDC/IDCC correlation comes out at 0.45, moderate. Lately the two have moved closer together, with the 1-year correlation at 0.71 versus 0.45 over 3 years. The 5-year figure is 0.46, and annualized covariance runs at 692.4 %².
By 3-year correlation, IDCC places #7 of the 13 assets tracked against BDC. The last year tells two different stories: IDCC led by 34.8 percentage points, -9.6% for BDC against +25.2% for IDCC.
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.
BDC vs IDCC: side by side
| BDC (Belden Inc) | IDCC (InterDigital, Inc.) | |
|---|---|---|
| 1-year return | -9.6% | +25.2% |
| 5-year return | +113.6% | +406.1% |
| Volatility (ann.) | 39.2% | 38.9% |
| Beta vs S&P 500 | 1.17 | 0.92 |
| Max drawdown (3Y) | -35.8% | -36.5% |
| Market cap | $4.7B | $8.6B |
| P/E (trailing) | 19.5 | 39.4 |
| Dividend yield | 0.17% | 0.81% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BDC | IDCC |
|---|---|---|
| 2022 | +9.7% | -29.3% |
| 2023 | +7.7% | +123.7% |
| 2024 | +46.1% | +81.1% |
| 2025 | +3.7% | +66.0% |
| 2026 | +3.0% | +5.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BDC and IDCC good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.45 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between BDC and IDCC?
Using weekly returns as of 2026-08-27: 0.45 over 3 years, with 0.71 over the last year and 0.46 over 5 years.
Is IDCC a good diversifier for BDC?
Yes, to a useful degree: a correlation of 0.45 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.45 mean?
On the −1 to +1 scale, 0.45 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/bdc-vs-idcc.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bdc-vs-idcc/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: BDC correlations · IDCC correlations
