AIFF vs QQQ: Correlation
How closely do Firefly Neuroscience, Inc. (AIFF) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.15, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AIFF and QQQ?
Over the past 3 years, AIFF and QQQ moved with a correlation of 0.15, which is weak. Lately the two have drifted apart, with the 1-year correlation at -0.05 versus 0.15 over 3 years. Over 5 years the correlation is 0.13, and the annualized covariance of weekly returns is 542.9 %².
Out of 15 assets tracked against AIFF, QQQ lands near the bottom at #11. Correlation aside, the last 12 months split them widely, with QQQ ahead by 85.2 points (-58.9% versus +26.3%). One caveat on sizing: AIFF is 9.7 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.
AIFF vs QQQ: side by side
| AIFF (Firefly Neuroscience, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -58.9% | +26.3% |
| 5-year return | -98.8% | +95.4% |
| Volatility (ann.) | 190.4% | 19.6% |
| Beta vs S&P 500 | 1.78 | 1.28 |
| Max drawdown (3Y) | -95.9% | -22.8% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| 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 | AIFF | QQQ |
|---|---|---|
| 2022 | -90.3% | -32.6% |
| 2023 | -64.8% | +54.9% |
| 2024 | -47.7% | +25.6% |
| 2025 | -66.8% | +20.8% |
| 2026 | +22.7% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AIFF and QQQ good diversifiers for each other?
By historical standards, yes. A correlation of 0.15 means the two rarely move for the same reasons.
FAQ
What is the correlation between AIFF and QQQ?
The AIFF/QQQ correlation stands at 0.15 on a 3-year window (1 year: -0.05, 5 years: 0.13), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for AIFF?
By historical standards, yes. A correlation of 0.15 means the two rarely move for the same reasons.
What does a correlation of 0.15 mean?
On the −1 to +1 scale, 0.15 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/aiff-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/aiff-vs-qqq/)
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Related comparisons
Hubs: AIFF correlations · QQQ correlations
