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
8%
Compressed — premium buying regime
30-Day Avg
30%
60-Day Avg
42%
90-Day Avg
40%
90-Day Low
0%
90-Day High
100%
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
20260609 8% 1.4%
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%
20260502 100% 3.0%
20260501 100% 3.0%
20260430 81% 2.5%
20260429 88% 2.6%
20260428 100% 2.8%
20260427 100% 2.8%
20260424 100% 2.7%
20260423 71% 2.2%
20260422 85% 2.4%
20260421 66% 2.1%
20260420 47% 1.9%
20260417 36% 1.7%
20260416 47% 1.9%
20260415 41% 1.8%
20260414 47% 1.9%
20260413 46% 1.9%
20260410 39% 1.8%
20260409 39% 1.8%
20260408 43% 1.8%
20260407 32% 1.7%
20260406 9% 1.3%
20260402 31% 1.7%
20260401 89% 2.4%
20260331 35% 1.7%
20260330 50% 1.9%
20260327 77% 2.3%
20260326 45% 1.8%
20260325 34% 1.7%
20260324 74% 2.2%
20260323 61% 2.1%
20260320 33% 1.7%
20260319 24% 1.6%
20260318 33% 1.7%
20260317 28% 1.6%
20260316 47% 1.9%
20260313 30% 1.6%
20260312 42% 1.8%
20260311 14% 1.4%
20260310 27% 1.6%
20260309 18% 1.4%
20260308 23% 1.5%
20260306 17% 1.4%
20260305 23% 1.5%
20260304 95% 2.5%
20260303 71% 2.2%
20260302 44% 1.8%
20260227 54% 1.9%
20260226 20% 1.5%
20260225 44% 1.8%
20260224 44% 1.8%
20260223 40% 1.7%
20260221 58% 2.0%
20260220 43% 1.8%
20260219 35% 1.7%
20260218 49% 1.9%
20260217 39% 1.7%
20260213 37% 1.7%
20260212 33% 1.6%
20260211 34% 1.7%
20260210 21% 1.5%
20260209 21% 1.5%
20260206 18% 1.4%
20260205 22% 1.5%