PHAT (Phathom Pharmaceuticals, Inc. Common Stock)

Historical IV Rank & Volatility Regime

IV Rank measures where PHAT'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 PHAT 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.

PHAT IV Rank Summary
Current
49%
Subdued — neutral to long-vol
30-Day Avg
36%
60-Day Avg
32%
90-Day Avg
29%
90-Day Low
0%
90-Day High
84%
IV Rank is bounded 0%–100% by construction. Sustained levels above 75% historically precede mean reversion in PHAT'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.
PHAT IV Rank — Last 90 Trading Days
DateIV RankAvg IV
20260910 49% 2.0%
20260909 55% 2.2%
20260908 6% 1.2%
20260904 7% 1.2%
20260903 7% 1.2%
20260902 36% 1.8%
20260901 30% 1.7%
20260831 44% 2.0%
20260828 26% 1.6%
20260827 39% 1.9%
20260826 23% 1.6%
20260825 45% 2.0%
20260824 53% 2.1%
20260821 26% 1.6%
20260820 54% 2.1%
20260819 26% 1.6%
20260818 0% 1.1%
20260817 32% 1.8%
20260814 14% 1.4%
20260813 11% 1.4%
20260812 18% 1.5%
20260811 22% 1.6%
20260810 46% 2.0%
20260806 21% 1.5%
20260805 82% 2.7%
20260804 80% 2.7%
20260803 61% 2.3%
20260731 67% 2.4%
20260730 69% 2.5%
20260729 44% 2.0%
20260728 40% 1.9%
20260727 28% 1.7%
20260724 27% 1.7%
20260723 31% 1.8%
20260722 30% 1.7%
20260721 33% 1.8%
20260720 40% 1.9%
20260716 23% 1.6%
20260715 27% 1.7%
20260714 21% 1.6%
20260713 36% 1.8%
20260710 18% 1.5%
20260709 13% 1.4%
20260708 23% 1.6%
20260707 19% 1.5%
20260706 20% 1.5%
20260702 50% 2.1%
20260701 54% 2.2%
20260630 26% 1.7%
20260629 28% 1.7%
20260626 26% 1.6%
20260625 38% 1.9%
20260624 40% 1.9%
20260623 23% 1.6%
20260622 30% 1.7%
20260618 27% 1.7%
20260617 10% 1.4%
20260616 21% 1.6%
20260615 0% 1.2%
20260613 12% 1.4%
20260612 10% 1.4%
20260611 18% 1.5%
20260610 17% 1.5%
20260609 20% 1.6%
20260608 6% 1.3%
20260605 0% 1.2%
20260604 9% 1.4%
20260603 5% 1.3%
20260602 60% 2.3%
20260601 66% 2.4%
20260529 84% 2.8%
20260528 50% 2.1%
20260527 60% 2.3%
20260526 38% 1.9%
20260522 40% 1.9%
20260521 32% 1.8%
20260520 9% 1.4%
20260519 29% 1.7%
20260518 45% 2.0%
20260515 31% 1.8%
20260514 0% 1.2%
20260513 5% 1.3%
20260512 10% 1.4%
20260511 10% 1.4%
20260510 18% 1.6%
20260508 9% 1.4%
20260507 5% 1.3%
20260506 3% 1.3%
20260505 1% 1.3%
20260504 0% 1.3%