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How to Buy Atmos Energy Corporation (ATO) Stock

Compare 13 brokers offering ATO, check 24-hour trading availability, see options pricing, and find fractional-share eligibility.

ATO
$175.89−$0.1100 (−0.06%)
Day range
$175.30 – $179.50
52-week range
$149.98 – $192.51
Volume
567.7K
Market cap
$29.38B
Exchange
XNYS
Asset class
common
Optionable
Yes
24-hour trading
Yes
Fractional eligible
Yes
Tokenized
No
Market cap tier
large

Where to buy ATO

13 brokers in our matrix offer ATO. Verify availability and current fees with each broker before trading.

BrokerCommissionFractionalExtendedOvernightOptionsOTC access
Charles Schwab (thinkorswim) logoCharles Schwab (thinkorswim)Review$0
Schwab Stock Slices, S&P 500 only, ≥ $5/slice, up to 30 at once
~1,130
$0.65Most (3/5)
E*TRADE (Morgan Stanley) logoE*TRADE (Morgan Stanley)Review$0 listed
~20
$0.65Most (4/5)
Fidelity logoFidelityReview$0
Stocks by the Slice, 7,000+ stocks/ETFs, from $1
$0.65Partial (2+0)
Firstrade logoFirstradeReview$0
~4,000+ tickers, ≥ $5
~1,200
$0Most (4/5)
Interactive Brokers logoInteractive BrokersReview$0 (Lite) / per-share (Pro)
~10,000
per-contract pricingFull
Merrill Edge logoMerrill EdgeReview$0
$0.65Most (3/5)
Moomoo logoMoomooReview$0
$0Limited only
Public.com logoPublic.comReview$0
rebate modelLimited only
Robinhood logoRobinhoodReview$0
≥ $1 stocks, market cap ≥ $25M
~1,134
$0None
SoFi Active Investing logoSoFi Active InvestingReview$0
$0Partial (1+2)
tastytrade logotastytradeReview$0 stocks
$1.00 open, $0 close (capped at $10 per leg)Limited only
TradeStation logoTradeStationReview$0 listed
$0.50 / $0.60Most (4/5)
Webull logoWebullReview$0
$0Limited only

24-Hour / Overnight trading

ATO may be eligible for overnight trading via Charles Schwab (thinkorswim), Interactive Brokers, Robinhood, E*TRADE (Morgan Stanley), Webull, Moomoo, Firstrade. Each broker maintains its own eligibility list — confirm before placing an order.

Overnight sessions route through ATSs, typically have wider spreads, accept limit orders only, and offer no guaranteed fills.

About Atmos Energy Corporation

Atmos Energy is the largest publicly traded, fully regulated, pure-play natural gas utility in the United States, serving more than 3.3 million customers in Texas, Colorado, Kansas, Kentucky, Louisiana, Mississippi, Tennessee, and Virginia. About two thirds of its earnings come from Texas, where it distributes natural gas in northern Texas and owns an intrastate gas pipeline spanning several key shale gas formations and interconnected with five storage facilities.
Sector
NATURAL GAS DISTRIBUTION
Employees
5,487
Headquarters
DALLAS, TX
Listed
1983-12-28
Market cap
$29.38B

Frequently asked

Where can I buy Atmos Energy Corporation (ATO)?

ATO is offered by 13 brokers in our matrix, including Charles Schwab (thinkorswim), E*TRADE (Morgan Stanley), Fidelity, Firstrade, Interactive Brokers. Compare commissions, fractional eligibility, and overnight availability in the broker matrix above.

Can I buy ATO after hours or overnight?

Yes. ATO is on the 24-hour eligibility list for Charles Schwab (thinkorswim), Interactive Brokers, Robinhood, E*TRADE (Morgan Stanley), and others. Overnight sessions route through ATSs with wider spreads and limit-orders only.

Does Robinhood offer ATO?

Yes. Robinhood offers ATO as a regular exchange-listed security.

Does Fidelity offer ATO?

Yes. Fidelity offers ATO as a regular exchange-listed security.

Does Webull offer ATO?

Yes. Webull offers ATO as a regular exchange-listed security.

Is ATO optionable?

Yes. ATO has listed options contracts. Per-contract pricing varies by broker — see the Options column in the matrix.

Is there a tokenized version of ATO?

Not in our current dataset. The tokenized stock universe (Kraken xStocks, Binance Alpha/Ondo, Robinhood EU, Hyperliquid HIP-3) is expanding quickly — we refresh quarterly.

Can I buy a fractional share of ATO?

Yes. Multiple brokers in the matrix support fractional shares for ATO — see the Fractional column above for per-broker eligibility and minimums.