PairBook
HomeIDAI › IDAI vs PCG

IDAI vs PCG: Correlation

T Stamp Inc. (IDAI) and PG&E Corporation (PCG) show a negative relationship: their 3-year correlation of weekly returns is -0.34.

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

Correlation (3Y)
-0.34
negative
Correlation (1Y)
-0.19
last 12 months
Correlation (5Y)
-0.21
long-run
Ann. covariance
-4182.9
%² · weekly, annualized

How correlated are IDAI and PCG?

Across a 3-year window, the weekly returns of IDAI and PCG correlate at -0.34, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.19) runs above the 3-year figure (-0.34). Stretching to 5 years gives -0.21, with an annualized covariance of -4182.9 %².

Out of 36 assets tracked against IDAI, PCG lands near the bottom at #32. Twelve-month performance is nearly a tie, at +15.5% for IDAI and +20.3% for PCG. One caveat on sizing: IDAI is 20.5 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.

IDAI vs PCG: side by side

IDAI (T Stamp Inc.)PCG (PG&E Corporation)
1-year return+15.5%+20.3%
5-year return-76.5%+102.7%
Volatility (ann.)505.7%24.7%
Beta vs S&P 500-1.010.24
Max drawdown (3Y)-92.9%-39.6%
Market cap$39.5B
P/E (trailing)12.9
Dividend yield0.00%0.96%
Sector / categoryUS ListedUtilities
Higher yield: PCG 0.96% vs 0.00%Smaller drawdown: PCG -39.6% vs -92.9%Higher 5y return: PCG +102.7% vs -76.5%
-50%0%+49%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). IDAI · PCG

Year-by-year returns

YearIDAIPCG
2022-88.0%+33.9%
2023-43.0%+10.9%
2024-35.5%+12.3%
2025+342.8%-19.7%
2026-14.3%+12.3%

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

Are IDAI and PCG good diversifiers for each other?

Yes. With a correlation of -0.34, IDAI and PCG have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

FAQ

What is the correlation between IDAI and PCG?

As of 2026-08-27, the correlation of weekly returns between IDAI and PCG is -0.34 over 3 years, -0.19 over 1 year and -0.21 over 5 years.

Is PCG a good diversifier for IDAI?

Yes. With a correlation of -0.34, IDAI and PCG have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

What does a correlation of -0.34 mean?

A reading of -0.34 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/idai-vs-pcg.json

IDAI vs PCG: 3-year weekly correlation -0.34IDAI vs PCG-0.34

Markdown for the live badge, attribution link included:

[![IDAI vs PCG correlation](https://www.pairbook.io/api/v1/badge/idai-vs-pcg.svg)](https://www.pairbook.io/pair/idai-vs-pcg/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: IDAI correlations · PCG correlations