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Atmos Energy Corp

ATO
Exchange
NYSE
Industry
Natural Gas Distribution
SEC CIK
0000731802

No open-market purchases or sales by Atmos Energy Corp insiders were filed in the last 90 days; 1,047 institutions reported holding it in 13F filings for Q2 2026, worth $28.0B in total; no superinvestor holds it.

Four kinds of short-selling data, each measuring something different:

  • Short interest: shares sold short and not yet bought back, as of a settlement date. FINRA publishes it twice a month, about eight business days after the settlement date.
  • Daily short volume: shares sold short each day in off-exchange trades reported to FINRA. It counts trades, not open positions, and is published the next day.
  • Fails-to-deliver: shares not delivered by the settlement date. The SEC publishes them twice a month, about two weeks late.
  • ATS (dark pool) volume: weekly volume on alternative trading systems and other off-exchange venues. FINRA publishes it two to four weeks after the week.

More in the glossary.

Short interest

Shares sold short and not yet bought back, from FINRA, on every settlement date in the last two years.

Short interest
4.11M
Shares, settlement Oct 30, 2026
Change
−433.8K
−9.6% vs. Oct 15, 2026
Days to cover
4.24
Short interest ÷ average daily volume
Average daily volume
968.6K
Shares, as reported by FINRA
Short interest by settlement date
Oct 31, 2024: 4,853,143 sharesNov 15, 2024: 4,745,067 sharesNov 29, 2024: 4,996,382 sharesDec 13, 2024: 4,971,517 sharesDec 31, 2024: 4,432,918 sharesJan 15, 2025: 5,016,879 sharesJan 31, 2025: 4,689,076 sharesFeb 14, 2025: 4,641,233 sharesFeb 28, 2025: 5,056,468 sharesMar 14, 2025: 4,794,015 sharesMar 31, 2025: 4,862,373 sharesApr 15, 2025: 4,791,746 sharesApr 30, 2025: 5,259,614 sharesMay 15, 2025: 5,066,949 sharesMay 30, 2025: 5,531,837 sharesJun 13, 2025: 5,614,324 sharesJun 30, 2025: 5,778,642 sharesJul 15, 2025: 5,534,272 sharesJul 31, 2025: 5,657,932 sharesAug 15, 2025: 5,733,061 sharesAug 29, 2025: 5,562,550 sharesSep 15, 2025: 5,480,814 sharesSep 30, 2025: 5,108,022 sharesOct 15, 2025: 5,314,216 sharesOct 31, 2025: 5,437,076 sharesNov 14, 2025: 5,125,778 sharesNov 28, 2025: 5,615,247 sharesDec 15, 2025: 5,360,126 sharesDec 31, 2025: 5,135,651 sharesJan 15, 2026: 4,475,871 sharesJan 30, 2026: 3,856,246 sharesFeb 13, 2026: 4,032,962 sharesFeb 27, 2026: 4,284,856 sharesMar 13, 2026: 4,062,398 sharesMar 31, 2026: 4,346,955 sharesApr 15, 2026: 3,841,232 sharesApr 30, 2026: 3,683,207 sharesMay 15, 2026: 3,377,805 sharesMay 29, 2026: 3,404,887 sharesJun 15, 2026: 3,373,787 sharesJun 30, 2026: 3,619,550 sharesJul 15, 2026: 3,502,581 sharesJul 31, 2026: 3,394,965 sharesAug 14, 2026: 3,489,932 sharesAug 31, 2026: 4,424,555 sharesSep 15, 2026: 4,312,335 sharesSep 30, 2026: 4,502,560 sharesOct 15, 2026: 4,544,573 sharesOct 30, 2026: 4,110,762 shares
Short interest in ATO by settlement date
Settlement dateShort interestChangeChange %Avg. daily volumeDays to cover
Oct 30, 20264.11M−433.8K−9.6%968.6K4.24
Oct 15, 20264.54M+42.0K+0.9%1.13M4.04
Sep 30, 20264.50M+190.2K+4.4%1.18M3.81
Sep 15, 20264.31M−112.2K−2.5%845.3K5.10
Aug 31, 20264.42M+934.6K+26.8%953.4K4.64
Aug 14, 20263.49M+95.0K+2.8%1.12M3.13
Jul 31, 20263.39M−107.6K−3.1%976.7K3.48
Jul 15, 20263.50M−117.0K−3.2%1.09M3.21
Jun 30, 20263.62M+245.8K+7.3%1.46M2.48
Jun 15, 20263.37M−31.1K−0.9%1.78M1.89
May 29, 20263.40M+27.1K+0.8%2.19M1.56
May 15, 20263.38M−305.4K−8.3%1.14M2.97
Apr 30, 20263.68M−158.0K−4.1%766.4K4.81
Apr 15, 20263.84M−505.7K−11.6%774.3K4.96
Mar 31, 20264.35M+284.6K+7.0%1.15M3.79
Mar 13, 20264.06M−222.5K−5.2%1.19M3.43
Feb 27, 20264.28M+251.9K+6.3%1.18M3.64
Feb 13, 20264.03M+176.7K+4.6%1.53M2.63
Jan 30, 20263.86M−619.6K−13.8%2.17M1.77
Jan 15, 20264.48M−659.8K−12.9%924.6K4.84
Dec 31, 20255.14M−224.5K−4.2%869.4K5.91
Dec 15, 20255.36M−255.1K−4.5%1.07M5.01
Nov 28, 20255.62M+489.5K+9.6%1.44M3.90
Nov 14, 20255.13M−311.3K−5.7%1.07M4.77
Oct 31, 20255.44M+122.9K+2.3%861.6K6.31
Oct 15, 20255.31M+206.2K+4.0%642.8K8.27
Sep 30, 20255.11M−372.8K−6.8%921.1K5.55
Sep 15, 20255.48M−81.7K−1.5%762.9K7.18
Aug 29, 20255.56M−170.5K−3.0%849.2K6.55
Aug 15, 20255.73M+75.1K+1.3%1.13M5.06
Jul 31, 20255.66M+123.7K+2.2%648.8K8.72
Jul 15, 20255.53M−244.4K−4.2%647.4K8.55
Jun 30, 20255.78M+164.3K+2.9%848.3K6.81
Jun 13, 20255.61M+82.5K+1.5%860.1K6.53
May 30, 20255.53M+464.9K+9.2%1.26M4.41
May 15, 20255.07M−192.7K−3.7%1.20M4.23
Apr 30, 20255.26M+467.9K+9.8%1.37M3.83
Apr 15, 20254.79M−70.6K−1.5%1.28M3.76
Mar 31, 20254.86M+68.4K+1.4%920.5K5.28
Mar 14, 20254.79M−262.5K−5.2%918.6K5.22
Feb 28, 20255.06M+415.2K+9.0%920.0K5.50
Feb 14, 20254.64M−47.8K−1.0%891.3K5.21
Jan 31, 20254.69M−327.8K−6.5%948.4K4.94
Jan 15, 20255.02M+584.0K+13.2%856.8K5.86
Dec 31, 20244.43M−538.6K−10.8%828.9K5.35
Dec 13, 20244.97M−24.9K−0.5%759.4K6.55
Nov 29, 20245.00M+251.3K+5.3%864.6K5.78
Nov 15, 20244.75M−108.1K−2.2%971.4K4.88
Oct 31, 20244.85M−189.5K−3.8%697.1K6.96

Fails-to-deliver

Shares that weren't delivered by the settlement date, from the SEC, for the last 30 dates with fails. The price is the previous day's closing price published by the SEC.

Fails-to-deliver in ATO by settlement date
Settlement dateSharesPriceValue
Oct 9, 202679$160.66$12.7K
Oct 8, 202682$159.21$13.1K
Sep 28, 202656$157.21$8.80K
Sep 23, 2026124$157.34$19.5K
Sep 17, 2026127$161.96$20.6K
Sep 3, 20261$167.68$167.68
Aug 10, 202661$170.19$10.4K
Aug 6, 2026676$172.20$116.4K
Jul 31, 20262,033$174.26$354.3K
Jul 28, 20265,056$178.22$901.1K
Jul 27, 2026498$179.22$89.3K
Jul 17, 202692$178.04$16.4K
Jul 9, 202623$177.09$4.07K
Jul 7, 2026414$173.83$72.0K
Jul 1, 2026196$172.27$33.8K
Jun 15, 2026929$169.96$157.9K
Jun 11, 202653$169.27$8.97K
Jun 9, 202684$167.89$14.1K
Jun 8, 202642$170.24$7.15K
Jun 4, 202651$168.30$8.58K
May 26, 202622,161$177.81$3.94M
May 19, 20261,911$178.52$341.2K
May 15, 2026161$180.87$29.1K
May 12, 20263,048$182.13$555.1K
Apr 24, 2026727$187.81$136.5K
Apr 23, 202624$182.49$4.38K
Apr 15, 2026265$188.16$49.9K
Apr 1, 20264$184.72$738.88
Mar 25, 202616$181.57$2.91K
Mar 24, 20268,953$181.03$1.62M

Daily short volume

Off-exchange short-sale volume, not short interest: shares sold short each day in trades reported to FINRA, for the last 30 trading days.

The short volume ratio isn't a sentiment gauge: market makers sell short to fill buy orders and to hedge, so short sales are usually about half of off-exchange volume.

Off-exchange short volume in ATO by trade date
Trade dateShort volumeShort exemptOff-exchange volumeShort volume ratio
Nov 10, 2026121,4203,241341,50835.6%
Nov 9, 2026158,76064344,38346.1%
Nov 6, 2026191,53913367,55552.1%
Nov 5, 2026231,59631458,27350.5%
Nov 4, 2026213,8880511,88641.8%
Nov 3, 2026202,74322364,31555.7%
Nov 2, 2026138,105120294,33046.9%
Oct 30, 2026121,897104265,45045.9%
Oct 29, 2026101,139487232,88943.4%
Oct 28, 2026100,744151211,79547.6%
Oct 27, 202691,068340282,95632.2%
Oct 26, 2026117,3482351,45633.4%
Oct 23, 2026205,1202373,23855.0%
Oct 22, 2026295,723517485,77060.9%
Oct 21, 2026116,496211248,95946.8%
Oct 20, 202689,05441225,30539.5%
Oct 19, 2026129,092116255,75750.5%
Oct 16, 2026136,94745320,23142.8%
Oct 15, 2026169,84920330,63151.4%
Oct 14, 2026142,1206295,63248.1%
Oct 13, 2026132,3541,414271,57648.7%
Oct 12, 2026102,468181258,41539.7%
Oct 9, 202687,42820230,63537.9%
Oct 8, 2026198,4741,153387,16451.3%
Oct 7, 2026220,61564358,81461.5%
Oct 6, 2026168,0913,839382,94443.9%
Oct 5, 2026137,38365314,69943.7%
Oct 2, 2026115,36358245,40847.0%
Oct 1, 2026138,2435,581435,19031.8%
Sep 30, 202698,33430220,51444.6%

ATS (dark pool) volume

Weekly volume on alternative trading systems (ATS) and other off-exchange (OTC) venues, from FINRA, for the last 12 weeks. ATS share is ATS volume ÷ (ATS + OTC volume), not a share of all trading.

Weekly ATS and OTC volume in ATO
Week ofTierATS sharesATS tradesOther OTC sharesOther OTC tradesATS share
Oct 19, 2026T11,220,91541,683851,72315,65958.9%
Oct 12, 2026T11,125,18937,4751,246,17315,12647.4%
Oct 5, 2026T11,254,48542,2731,152,75315,26252.1%
Sep 28, 2026T11,076,71937,369899,03017,40554.5%
Sep 21, 2026T11,446,77642,090837,79918,83563.3%
Sep 14, 2026T11,695,56343,9501,243,21316,82457.7%
Sep 7, 2026T1924,04133,493372,97212,32071.2%
Aug 31, 2026T1869,43433,946740,77613,83954.0%
Aug 24, 2026T1824,06834,382649,80713,64855.9%
Aug 17, 2026T11,315,25840,2091,370,99414,66149.0%
Aug 10, 2026T11,376,42038,9131,012,53614,47557.6%
Aug 3, 2026T11,301,95740,868891,47214,00459.4%