ATO (Atmos Energy Corporation)

Historical IV Rank & Volatility Regime

IV Rank measures where ATO's current 30-day implied volatility sits in its trailing 90-day distribution (0% = lowest in 90 days, 100% = highest). It's the most reliable signal for whether options on ATO are priced rich or cheap relative to its own recent regime.

Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.

ATO IV Rank Summary
Current
20%
Compressed — premium buying regime
30-Day Avg
41%
60-Day Avg
42%
90-Day Avg
39%
90-Day Low
0%
90-Day High
79%
IV Rank is bounded 0%–100% by construction. Sustained levels above 75% historically precede mean reversion in ATO's implied vol; sustained sub-25% readings often coincide with low-realized regimes ahead of catalyst events. See the Vol Arb Screener for symbols where current IV rank diverges most from realized volatility.
ATO IV Rank — Last 90 Trading Days
DateIV RankAvg IV
20260904 20% 0.3%
20260903 23% 0.3%
20260902 37% 0.4%
20260901 61% 0.4%
20260831 62% 0.4%
20260828 0% 0.3%
20260827 36% 0.4%
20260826 9% 0.3%
20260825 26% 0.4%
20260824 34% 0.4%
20260821 37% 0.4%
20260820 39% 0.4%
20260819 40% 0.4%
20260818 37% 0.4%
20260817 39% 0.4%
20260814 29% 0.3%
20260813 29% 0.3%
20260812 34% 0.4%
20260811 36% 0.4%
20260810 27% 0.3%
20260806 23% 0.3%
20260805 76% 0.5%
20260804 71% 0.5%
20260803 75% 0.5%
20260731 62% 0.5%
20260730 63% 0.5%
20260729 49% 0.4%
20260728 66% 0.5%
20260727 52% 0.4%
20260724 36% 0.4%
20260723 45% 0.4%
20260722 42% 0.4%
20260721 41% 0.4%
20260720 43% 0.4%
20260716 31% 0.4%
20260715 32% 0.4%
20260714 36% 0.4%
20260713 26% 0.3%
20260710 32% 0.4%
20260709 28% 0.3%
20260708 32% 0.4%
20260707 30% 0.4%
20260706 25% 0.3%
20260702 74% 0.5%
20260701 68% 0.5%
20260630 69% 0.5%
20260629 59% 0.5%
20260626 60% 0.5%
20260625 50% 0.4%
20260624 50% 0.4%
20260623 51% 0.4%
20260622 48% 0.4%
20260618 39% 0.4%
20260617 37% 0.4%
20260616 43% 0.4%
20260615 40% 0.4%
20260613 33% 0.4%
20260612 32% 0.4%
20260611 33% 0.4%
20260610 33% 0.4%
20260609 34% 0.4%
20260608 32% 0.4%
20260605 30% 0.4%
20260604 20% 0.3%
20260603 33% 0.4%
20260602 79% 0.5%
20260601 50% 0.4%
20260529 46% 0.4%
20260528 32% 0.4%
20260527 39% 0.4%
20260526 29% 0.4%
20260522 45% 0.4%
20260521 40% 0.4%
20260520 30% 0.4%
20260519 34% 0.4%
20260518 35% 0.4%
20260515 30% 0.4%
20260514 23% 0.3%
20260513 26% 0.3%
20260512 28% 0.3%
20260511 21% 0.3%
20260510 21% 0.3%
20260508 23% 0.3%
20260507 11% 0.3%
20260506 17% 0.3%
20260505 19% 0.3%
20260504 16% 0.3%
20260502 58% 0.5%
20260501 55% 0.5%
20260430 41% 0.4%