PairBook
HomeAEP › AEP vs NOW

AEP vs NOW: Correlation

American Electric Power (AEP) and ServiceNow (NOW) show a negative relationship: their 3-year correlation of weekly returns is -0.23.

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

Correlation (3Y)
-0.23
negative
Correlation (1Y)
-0.29
last 12 months
Correlation (5Y)
-0.07
long-run
Ann. covariance
-184.6
%² · weekly, annualized

How correlated are AEP and NOW?

On 3 years of weekly data the AEP/NOW correlation comes out at -0.23, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.29 lands near the 3-year figure. The 5-year figure is -0.07, and annualized covariance runs at -184.6 %².

Among the 36 assets we track against AEP, NOW ranks #26 by 3-year correlation. The last year tells two different stories: AEP led by 34.2 percentage points, +12.1% for AEP against -22.1% for NOW. Across three years, the rolling one-year figure varied moderately, from -0.34 to 0.14. One caveat on sizing: NOW is 2.3 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

+1.0+0.50-0.5-1.020232026-08-27
One-year correlation, rolled weekly across the last three years.
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.

AEP vs NOW: side by side

AEP (American Electric Power)NOW (ServiceNow)
1-year return+12.1%-22.1%
5-year return+63.9%+7.9%
Volatility (ann.)18.9%43.2%
Beta vs S&P 500-0.011.38
Max drawdown (3Y)-13.1%-64.5%
Market cap$66.8B$143.1B
P/E (trailing)21.478.7
Dividend yield3.06%0.00%
Sector / categoryUtilitiesInformation Technology
Lower P/E: AEP 21.4 vs 78.7Higher yield: AEP 3.06% vs 0.00%Smaller drawdown: AEP -13.1% vs -64.5%Higher 5y return: AEP +63.9% vs +7.9%
-55%0%+31%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. AEP · NOW

Year-by-year returns

YearAEPNOW
2022+10.4%-40.2%
2023-11.0%+82.0%
2024+18.2%+50.1%
2025+29.4%-27.7%
2026+8.9%-9.6%

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

Are AEP and NOW good diversifiers for each other?

Yes. With a correlation of -0.23, AEP and NOW have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

FAQ

What is the correlation between AEP and NOW?

The AEP/NOW correlation stands at -0.23 on a 3-year window (1 year: -0.29, 5 years: -0.07), computed from weekly returns as of 2026-08-27.

Is NOW a good diversifier for AEP?

Yes. With a correlation of -0.23, AEP and NOW have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

What does a correlation of -0.23 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

Use this data

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

AEP vs NOW: 3-year weekly correlation -0.23AEP vs NOW-0.23

Drop this badge in a README or notebook; it updates with the data:

[![AEP vs NOW correlation](https://www.pairbook.io/api/v1/badge/aep-vs-now.svg)](https://www.pairbook.io/pair/aep-vs-now/)

No key needed, free to use. Full endpoint list in the API documentation.

Related comparisons

Hubs: AEP correlations · NOW correlations