BCHT vs QQQ: Correlation
Birchtech Corp. (BCHT) and Invesco QQQ Trust (QQQ) show a near-zero relationship: their 3-year correlation of weekly returns is 0.09.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BCHT and QQQ?
On 3 years of weekly data the BCHT/QQQ correlation comes out at 0.09, near zero, meaning they move largely independently. Recent behaviour matches the longer record: 0.13 over 1 year against 0.09 over 3. The 5-year figure is 0.12, and annualized covariance runs at 143.1 %².
By 3-year correlation, QQQ places #6 of the 12 assets tracked against BCHT. Correlation aside, the last 12 months split them widely, with QQQ ahead by 81.2 points (-54.9% versus +26.3%). One caveat on sizing: BCHT is 4.1 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.
BCHT vs QQQ: side by side
| BCHT (Birchtech Corp.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -54.9% | +26.3% |
| 5-year return | -67.4% | +95.4% |
| Volatility (ann.) | 80.4% | 19.6% |
| Beta vs S&P 500 | 0.41 | 1.28 |
| Max drawdown (3Y) | -80.2% | -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 | BCHT | QQQ |
|---|---|---|
| 2022 | -55.9% | -32.6% |
| 2023 | +253.8% | +54.9% |
| 2024 | -44.6% | +25.6% |
| 2025 | +47.1% | +20.8% |
| 2026 | -66.9% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BCHT and QQQ good diversifiers for each other?
Yes. With a correlation of 0.09, BCHT and QQQ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between BCHT and QQQ?
Using weekly returns as of 2026-08-27: 0.09 over 3 years, with 0.13 over the last year and 0.12 over 5 years.
Is QQQ a good diversifier for BCHT?
Yes. With a correlation of 0.09, BCHT and QQQ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of 0.09 mean?
A reading of 0.09 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
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Related comparisons
Hubs: BCHT correlations · QQQ correlations
