PairBook
HomePTC › PTC vs TBN

PTC vs TBN: Correlation

How closely do PTC Inc. (PTC) and Tamboran Resources Corporation (TBN) trade together? Their weekly returns over three years give a correlation of -0.25, which is negative.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
-0.25
negative
Correlation (1Y)
-0.27
last 12 months
Correlation (5Y)
n/a
long-run
Ann. covariance
-411.4
%² · weekly, annualized

How correlated are PTC and TBN?

Over the past 3 years, PTC and TBN moved with a correlation of -0.25, which is negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.27 lands near the 3-year figure. Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -411.4 %².

Among the 32 assets we track against PTC, TBN sits near the bottom by co-movement, at rank #28. Correlation aside, the last 12 months split them widely, with TBN ahead by 113.3 points (-26.6% versus +86.7%). Note the risk asymmetry: TBN runs 1.8 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.

PTC vs TBN: side by side

PTC (PTC Inc.)TBN (Tamboran Resources Corporation)
1-year return-26.6%+86.7%
5-year return+20.0%n/a
Volatility (ann.)28.8%52.6%
Beta vs S&P 5001.02-0.08
Max drawdown (3Y)-48.1%-38.6%
Market cap$17.2B$1.3B
P/E (trailing)14.7
Dividend yield0.00%0.00%
Sector / categoryInformation TechnologyUS Listed
Smaller drawdown: TBN -38.6% vs -48.1%
-47%0%+101%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. PTC · TBN

Year-by-year returns

YearPTCTBN
2022-0.9%
2023+45.8%
2024+5.1%
2025-5.3%+29.7%
2026-8.8%+38.6%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are PTC and TBN good diversifiers for each other?

By historical standards, yes. A correlation of -0.25 means the two rarely move for the same reasons.

FAQ

What is the correlation between PTC and TBN?

The PTC/TBN correlation stands at -0.25 on a 3-year window (1 year: -0.27, 5 years: n/a), computed from weekly returns as of 2026-08-27.

Is TBN a good diversifier for PTC?

By historical standards, yes. A correlation of -0.25 means the two rarely move for the same reasons.

What does a correlation of -0.25 mean?

A reading of -0.25 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/ptc-vs-tbn.json

PTC vs TBN: 3-year weekly correlation -0.25PTC vs TBN-0.25

Embed this badge (it refreshes with the data), with attribution:

[![PTC vs TBN correlation](https://www.pairbook.io/api/v1/badge/ptc-vs-tbn.svg)](https://www.pairbook.io/pair/ptc-vs-tbn/)

Free with attribution; caching and terms are described in the API documentation.

Related comparisons

Hubs: PTC correlations · TBN correlations