What is NI's market cap?

$21.72B, based on the Nov 4 close of $45.29.

What is NI's P/E ratio?

23.0× trailing-twelve-month earnings of $943.50M.

Does NiSource pay a dividend?

Yes. The latest regular dividend was $0.3 per share (ex-date Oct 30), an annualised yield of 2.65%.

How much of NI is sold short?

15.9M shares, 3.3% of float, as of Oct 15, 2026.

What sector is NI in?

Utilities, in the Electric, Gas & Water Utilities industry.

NYSE · NIUtilitiesElectric, Gas & Water Utilities

NiSource Inc. (NI)

$45.29+1.50%

Close Nov 4, 2026 · split-adjusted

Nov 3, 2026$44.78▲ 5.18% in range

Nov 3, 2025Low $39.00 · High $49.08Nov 3, 2026

What changed · written from our data

As of Nov 4, 2026

NiSource closed at $45.29 on Nov 4, up 1.50%, 7.7% below its 52-week closing high. Volume of 6.3M shares was 1.07× its 20-day average (close to normal).

Split-adjusted performance: +11.4% over one month, -4.7% over six months, +6.4% over one year.

In the quarter ended Sep 30, 2026, revenue was $1.35B, up 6.0% from a year earlier, with a net margin of 9.6%.

Short interest was 15.9M shares at the Oct 15 settlement, down 4.8% from the prior report (3.3% of float, 3.5 days to cover).

Market cap$21.72B479.7M shares

Revenue · quarter$1.35B+6.0% YoY

Diluted EPS$0.27+35.0% YoY

P/E · TTM23.0×P/S 3.1×

Net margin9.6%Gross 84.6%

Dividend yield2.65%$0.3 last paid

52-week range39.00 – 49.08−7.7% from high

Volume6.3M1.07× 20-day avg

Volatility · 60d16.9%Annualised

Short % of float3.3%3.5 days to cover

Net cash-$18.44BCash $57.5M

Next earnings—Not scheduled

Split-adjusted performance

1W +3.2%1M +11.4%3M +4.4%6M −4.7%YTD +8.5%1Y +6.4%3Y +80.3%5Y +82.3%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Electric, Gas & Water Utilities

Percentile among 119 companies (100 = best)

6-month momentum38

Revenue growth45

Net margin39

Value (low P/E)32

Size69

Industry medians: 6-month return −1.0%, revenue growth +6.9%, net margin 12.0%, P/E 21.1×.

Short interest

Details →

Shares short15.9M−4.8% vs prior

Days to cover3.5Settled Oct 15

% of float3.3%

Short vol. 10d57.6%of daily volume

Closest peers by size in Electric, Gas & Water Utilities

Company	Price	Today	6M	Rev. growth	Net margin	P/E	Mkt cap
NINiSource	$45.29	+1.50%	−4.7%	+6.0%	9.6%	23.0	$21.72B
CMSCMS Energy	$70.98	+1.40%	−4.1%	+8.0%	5.5%	25.8	$22.26B	Compare
EIXEdison International	$61.48	+3.12%	−10.6%	−15.0%	14.8%	6.5	$23.66B	Compare
EVRGEvergy	$86.21	+0.89%	+6.4%	+4.4%	14.3%	21.5	$19.88B	Compare
LNTAlliant Energy	$73.77	+2.29%	+2.0%	+6.2%	31.0%	20.5	$19.13B	Compare
ESEversource Energy	$70.46	+2.07%	+2.8%	+2.3%	1.8%	18.3	$26.54B	Compare
WESWestern Midstream Partners, LP	$42.54	−3.03%	+3.1%	+30.0%	32.2%	14.0	$17.58B	Compare
PPLPPL	$35.72	+0.03%	−3.1%	+4.2%	10.9%	21.2	$26.88B	Compare
NRGNRG Energy	$83.25	−13.52%	−44.7%	+11.0%	6.5%	22.4	$17.50B	Compare

News about NiSource

All news →

NiSource Q3 Earnings Beat Estimates on Columbia Gains, Revenues MissZacks Investment Research · Oct 28, 2026▲ Positive NiSource (NI) Beats Q3 Earnings EstimatesZacks Investment Research · Oct 28, 2026Neutral NiSource (NI) Earnings Expected to Grow: What to Know Ahead of Next Week's ReleaseZacks Investment Research · Oct 21, 2026▲ Positive

Quick answers

What does NiSource do?: NiSource is one of the nation's largest natural gas distribution companies with 2.4 million customers in Kentucky, Maryland, Ohio, Pennsylvania, and Virginia. NiSource also serves 1.4 million gas and electric customers in Indiana.
What is NI's market cap?: $21.72B, based on the Nov 4 close of $45.29.
What is NI's P/E ratio?: 23.0× trailing-twelve-month earnings of $943.50M.
Does NiSource pay a dividend?: Yes. The latest regular dividend was $0.3 per share (ex-date Oct 30), an annualised yield of 2.65%.
How much of NI is sold short?: 15.9M shares, 3.3% of float, as of Oct 15, 2026.
What sector is NI in?: Utilities, in the Electric, Gas & Water Utilities industry.

About NiSource

NiSource is one of the nation's largest natural gas distribution companies with 2.4 million customers in Kentucky, Maryland, Ohio, Pennsylvania, and Virginia. NiSource also serves 1.4 million gas and electric customers in Indiana. The regulated electric utility owns 4 gigawatts of generation capacity, including coal, natural gas, and renewable energy.

HQ: Merrillville, IN7,738 employeesListed Jun 1, 1972nisource.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology