AMSC vs QQQ: Correlation
Measured on weekly returns over the past three years, American Superconductor Corporation (AMSC) and Invesco QQQ Trust (QQQ) carry a correlation of 0.41, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AMSC and QQQ?
Across a 3-year window, the weekly returns of AMSC and QQQ correlate at 0.41, moderate. Little has changed lately, as the 1-year reading of 0.45 lands near the 3-year figure. Stretching to 5 years gives 0.42, with an annualized covariance of 622.8 %².
Within AMSC's tracked universe of 13 assets, QQQ comes in at #7 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 69.0 percentage points (-42.7% for AMSC against +26.3% for QQQ). Risk is not evenly split, since AMSC carries 4.0 times the volatility of the other side.
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.
AMSC vs QQQ: side by side
| AMSC (American Superconductor Corporation) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -42.7% | +26.3% |
| 5-year return | +141.8% | +95.4% |
| Volatility (ann.) | 78.4% | 19.6% |
| Beta vs S&P 500 | 2.16 | 1.28 |
| Max drawdown (3Y) | -61.1% | -22.8% |
| Market cap | $1.4B | – |
| P/E (trailing) | 9.6 | – |
| Dividend yield | 0.00% | 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 | AMSC | QQQ |
|---|---|---|
| 2022 | -66.2% | -32.6% |
| 2023 | +202.7% | +54.9% |
| 2024 | +121.1% | +25.6% |
| 2025 | +16.8% | +20.8% |
| 2026 | +3.7% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AMSC and QQQ good diversifiers for each other?
A fair diversifier. At 0.41, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between AMSC and QQQ?
As of 2026-08-27, the correlation of weekly returns between AMSC and QQQ is 0.41 over 3 years, 0.45 over 1 year and 0.42 over 5 years.
Is QQQ a good diversifier for AMSC?
A fair diversifier. At 0.41, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.41 mean?
A reading of 0.41 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/amsc-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/amsc-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: AMSC correlations · QQQ correlations
