QLYS (Qualys, Inc. Common Stock)

Historical IV Rank & Volatility Regime

IV Rank measures where QLYS'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 QLYS 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.

QLYS IV Rank Summary
Current
6%
Compressed — premium buying regime
30-Day Avg
80%
60-Day Avg
76%
90-Day Avg
74%
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 QLYS'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.
QLYS IV Rank — Last 90 Trading Days
DateIV RankAvg IV
20260605 6% 0.6%
20260604 23% 0.7%
20260603 0% 0.5%
20260602 99% 1.3%
20260601 100% 1.3%
20260529 80% 1.2%
20260528 95% 1.3%
20260527 100% 1.3%
20260526 100% 1.2%
20260522 98% 1.2%
20260521 80% 1.1%
20260520 89% 1.1%
20260519 79% 1.0%
20260518 87% 1.1%
20260515 83% 1.1%
20260514 89% 1.1%
20260513 86% 1.1%
20260512 100% 1.2%
20260511 79% 1.0%
20260510 74% 1.0%
20260508 71% 1.0%
20260507 67% 0.9%
20260506 70% 1.0%
20260505 77% 1.0%
20260504 77% 1.0%
20260502 96% 1.1%
20260501 90% 1.1%
20260430 100% 1.2%
20260429 99% 1.1%
20260428 89% 1.0%
20260427 100% 1.1%
20260424 83% 0.9%
20260423 82% 0.9%
20260422 91% 1.0%
20260421 86% 0.9%
20260420 89% 1.0%
20260417 87% 1.0%
20260416 73% 0.8%
20260415 100% 1.1%
20260414 91% 0.9%
20260413 93% 1.0%
20260410 70% 0.8%
20260409 62% 0.7%
20260408 55% 0.7%
20260407 56% 0.7%
20260406 52% 0.7%
20260402 52% 0.7%
20260401 78% 0.8%
20260331 87% 0.9%
20260330 77% 0.8%
20260327 69% 0.8%
20260326 64% 0.7%
20260325 67% 0.8%
20260324 60% 0.7%
20260323 54% 0.7%
20260320 52% 0.7%
20260319 64% 0.7%
20260318 51% 0.6%
20260317 69% 0.8%
20260316 50% 0.6%
20260313 42% 0.6%
20260312 44% 0.6%
20260311 41% 0.6%
20260310 51% 0.6%
20260309 45% 0.6%
20260308 46% 0.6%
20260306 36% 0.5%
20260305 58% 0.7%
20260304 89% 0.9%
20260303 82% 0.9%
20260302 97% 1.0%
20260227 81% 0.9%
20260226 86% 0.9%
20260225 81% 0.9%
20260224 99% 1.0%
20260223 100% 1.0%
20260221 100% 0.9%
20260220 100% 0.8%
20260219 80% 0.7%
20260218 75% 0.7%
20260217 88% 0.7%
20260213 67% 0.6%
20260212 73% 0.7%
20260211 54% 0.6%
20260210 50% 0.5%
20260209 65% 0.6%
20260206 57% 0.6%
20260205 58% 0.6%
20260204 76% 0.7%
20260203 84% 0.7%