BCHT vs RDDT: Correlation
How closely do Birchtech Corp. (BCHT) and Reddit (RDDT) 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 BCHT and RDDT?
Across a 3-year window, the weekly returns of BCHT and RDDT correlate at 0.31, moderate. Little has changed lately, as the 1-year reading of 0.41 lands near the 3-year figure. Stretching to 5 years gives n/a, with an annualized covariance of 1330.7 %².
Within BCHT's tracked universe of 12 assets, RDDT comes in at #5 by 3-year correlation. Correlation aside, the last 12 months split them widely, with RDDT ahead by 27.8 points (-54.9% versus -27.1%).
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 RDDT: side by side
| BCHT (Birchtech Corp.) | RDDT (Reddit) | |
|---|---|---|
| 1-year return | -54.9% | -27.1% |
| 5-year return | -67.4% | n/a |
| Volatility (ann.) | 80.4% | 75.2% |
| Beta vs S&P 500 | 0.41 | 2.59 |
| Max drawdown (3Y) | -80.2% | -61.4% |
| Market cap | – | $29.6B |
| P/E (trailing) | – | 36.1 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | Communication Services |
Year-by-year returns
| Year | BCHT | RDDT |
|---|---|---|
| 2022 | -55.9% | – |
| 2023 | +253.8% | – |
| 2024 | -44.6% | – |
| 2025 | +47.1% | +40.6% |
| 2026 | -66.9% | -33.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BCHT and RDDT good diversifiers for each other?
Reasonably. At 0.31, BCHT and RDDT keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between BCHT and RDDT?
As of 2026-08-27, the correlation of weekly returns between BCHT and RDDT is 0.31 over 3 years, 0.41 over 1 year and n/a over 5 years.
Is RDDT a good diversifier for BCHT?
Reasonably. At 0.31, BCHT and RDDT 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/bcht-vs-rddt.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/bcht-vs-rddt/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BCHT correlations · RDDT correlations
