IDCC vs QQQ: Correlation
How closely do InterDigital, Inc. (IDCC) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.31, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are IDCC and QQQ?
Across a 3-year window, the weekly returns of IDCC and QQQ correlate at 0.31, moderate. Little has changed lately, as the 1-year reading of 0.29 lands near the 3-year figure. Stretching to 5 years gives 0.37, with an annualized covariance of 235.4 %².
QQQ is close to the least connected end of IDCC's tracked universe, ranking #7 of 11. Their 12-month results are close: +25.2% for IDCC against +26.3% for QQQ. Note the risk asymmetry: IDCC runs 2.0 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.
IDCC vs QQQ: side by side
| IDCC (InterDigital, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +25.2% | +26.3% |
| 5-year return | +406.1% | +95.4% |
| Volatility (ann.) | 38.9% | 19.6% |
| Beta vs S&P 500 | 0.92 | 1.28 |
| Max drawdown (3Y) | -36.5% | -22.8% |
| Market cap | $8.6B | – |
| P/E (trailing) | 39.4 | – |
| Dividend yield | 0.81% | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | US Listed | ETF · US Growth & Tech |
QQQ is a Large Growth fund from Invesco: $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.
Year-by-year returns
| Year | IDCC | QQQ |
|---|---|---|
| 2022 | -29.3% | -32.6% |
| 2023 | +123.7% | +54.9% |
| 2024 | +81.1% | +25.6% |
| 2025 | +66.0% | +20.8% |
| 2026 | +5.8% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are IDCC and QQQ good diversifiers for each other?
Reasonably. At 0.31, IDCC and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between IDCC and QQQ?
The IDCC/QQQ correlation stands at 0.31 on a 3-year window (1 year: 0.29, 5 years: 0.37), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for IDCC?
Reasonably. At 0.31, IDCC and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.31 mean?
On the −1 to +1 scale, 0.31 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/idcc-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/idcc-vs-qqq/)
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Related comparisons
Hubs: IDCC correlations · QQQ correlations
