NFG (National Fuel Gas Co.)

Historical IV Rank & Volatility Regime

IV Rank measures where NFG'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 NFG 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.

NFG IV Rank Summary
Current
37%
Subdued — neutral to long-vol
30-Day Avg
26%
60-Day Avg
34%
90-Day Avg
34%
90-Day Low
0%
90-Day High
90%
IV Rank is bounded 0%–100% by construction. Sustained levels above 75% historically precede mean reversion in NFG'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.
NFG IV Rank — Last 90 Trading Days
DateIV RankAvg IV
20260819 37% 0.5%
20260818 34% 0.5%
20260817 13% 0.4%
20260814 25% 0.5%
20260813 13% 0.4%
20260812 8% 0.4%
20260811 5% 0.4%
20260810 8% 0.4%
20260806 21% 0.5%
20260805 90% 0.8%
20260804 53% 0.6%
20260803 34% 0.6%
20260731 22% 0.5%
20260730 32% 0.6%
20260729 40% 0.6%
20260728 24% 0.5%
20260727 40% 0.6%
20260724 16% 0.5%
20260723 24% 0.5%
20260722 14% 0.4%
20260721 26% 0.5%
20260720 30% 0.5%
20260716 18% 0.5%
20260715 24% 0.5%
20260714 28% 0.5%
20260713 21% 0.5%
20260710 17% 0.5%
20260709 20% 0.5%
20260708 23% 0.5%
20260707 16% 0.5%
20260706 15% 0.5%
20260702 82% 0.9%
20260701 62% 0.7%
20260630 80% 0.8%
20260629 75% 0.8%
20260626 53% 0.7%
20260625 52% 0.7%
20260624 51% 0.7%
20260623 53% 0.7%
20260622 48% 0.7%
20260618 42% 0.6%
20260617 42% 0.6%
20260616 37% 0.6%
20260615 36% 0.6%
20260613 33% 0.6%
20260612 32% 0.6%
20260611 34% 0.6%
20260610 31% 0.6%
20260609 29% 0.5%
20260608 32% 0.6%
20260605 23% 0.5%
20260604 23% 0.5%
20260603 23% 0.5%
20260602 48% 0.7%
20260601 58% 0.7%
20260529 11% 0.4%
20260528 34% 0.6%
20260527 41% 0.6%
20260526 45% 0.6%
20260522 29% 0.5%
20260521 26% 0.5%
20260520 32% 0.6%
20260519 21% 0.5%
20260518 8% 0.4%
20260515 16% 0.5%
20260514 13% 0.4%
20260513 13% 0.4%
20260512 0% 0.4%
20260511 18% 0.5%
20260510 28% 0.5%
20260508 21% 0.5%
20260507 19% 0.5%
20260506 8% 0.4%
20260505 18% 0.5%
20260504 17% 0.5%
20260502 78% 0.8%
20260501 72% 0.8%
20260430 80% 0.8%
20260429 62% 0.7%
20260428 64% 0.8%
20260427 58% 0.7%
20260424 52% 0.7%
20260423 45% 0.6%
20260422 41% 0.6%
20260421 46% 0.6%
20260420 45% 0.6%
20260417 31% 0.6%
20260416 41% 0.6%
20260415 40% 0.6%
20260414 31% 0.6%