What is NI's five-year median P/E?

The median, or middle weekly reading, is 21.1× over the last five years. Available history contains 533 weekly observations from Aug 8, 2016 to Oct 19, 2026.

Does a low historical rank mean a stock is a buy?

No. The rank describes a stock’s own history. Changes in growth, financial risk and the business can change the multiple investors pay. P/E uses earnings and P/S uses revenue from the previous twelve months.

NiSource (NI) P/E ratio history

Above its usual range

As of Oct 22, 2026

NI's P/E of 22.9x is higher than 73% of its available weekly readings from the last five years.

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P/E at year-end

Last weekly reading of each completed year. Rank runs from lowest (0%) to highest (100%) within the five years available on that date.

NI year-end valuation history
Reading date	P/E	5-year rank
Dec 29, 2025	22.2×	64%
Dec 30, 2024	22.1×	60%
Dec 25, 2023	17.8×	20%
Dec 26, 2022	17.8×	7%
Dec 27, 2021	24.4×	30%
Dec 28, 2020	Unavailable	Short history
Dec 30, 2019	22.3×	5%
Dec 31, 2018	Unavailable	Short history
Dec 25, 2017	31.3×	86%
Dec 26, 2016	23.6×	Short history

Peers on the same measure

Stock	P/E	5-year rank
AEEAmeren	18.8×	23%
CMSCMS Energy	20.5×	47%
CNPCenterPoint Energy	24.7×	78%
DDominion Energy	18.4×	20%

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Utilities AI Power Stocks with Low P/E Ratios and Steady Revenue Growth Stocks Below Their 5-Year Median P/E Stocks Near Their Lowest P/E Ratios in 5 Years

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About this history

What is NI's current P/E?: NI's P/E of 22.9x is higher than 73% of its available weekly readings from the last five years.
What is NI's five-year median P/E?: The median, or middle weekly reading, is 21.1× over the last five years. Available history contains 533 weekly observations from Aug 8, 2016 to Oct 19, 2026.
Does a low historical rank mean a stock is a buy?: No. The rank describes a stock’s own history. Changes in growth, financial risk and the business can change the multiple investors pay. P/E uses earnings and P/S uses revenue from the previous twelve months.