ATO Open Interest
Atmos Energy Corporation (ATO) had 1.95K open option contracts as of Nov 4, 2026: 1.34K calls and 609 puts. Open interest fell 16.4% over the past four weeks. The put/call open interest ratio is 0.45, so calls outnumber puts.
Open Interest by Strike
Showing results for ATO, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for ATO, 2026-11-20(m), calls & puts
| Call Open Interest Total | |
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| Put Open Interest Total | |
| Open Interest Total | |
| Put-Call Open Interest Ratio |
Highest Open Interest Options
Showing results for ATO, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for ATO, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for ATO, all expirations, calls & puts. View full history
ATO Open Interest FAQ
What is open interest?
Open interest is the number of option contracts that are open and not yet closed, exercised, or expired. The Options Clearing Corporation calculates it once a day from the previous day's trades, and it is published before the market opens.
How much open interest does ATO have?
Atmos Energy had 1.95K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 2.07K contracts.
Is ATO open interest rising or falling?
Open interest fell 16.4% over the past four weeks. It was 2.34K contracts on Oct 7, 2026. See the ATO open interest history for a longer view.
What is the ATO put/call open interest ratio?
The Atmos Energy put/call open interest ratio was 0.45 as of Nov 4, 2026. Four weeks earlier it was 0.29.
What is 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.