CFR (Cullen/Frost Bankers Inc.)

Historical IV Rank & Volatility Regime

IV Rank measures where CFR'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 CFR 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.

CFR IV Rank Summary
Current
61%
Moderate — neutral regime
30-Day Avg
33%
60-Day Avg
37%
90-Day Avg
40%
90-Day Low
10%
90-Day High
100%
IV Rank is bounded 0%–100% by construction. Sustained levels above 75% historically precede mean reversion in CFR'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.
CFR IV Rank — Last 90 Trading Days
DateIV RankAvg IV
20260626 61% 0.7%
20260625 41% 0.6%
20260624 55% 0.7%
20260623 46% 0.6%
20260622 50% 0.6%
20260618 55% 0.7%
20260617 46% 0.6%
20260616 45% 0.6%
20260615 42% 0.6%
20260613 44% 0.6%
20260612 25% 0.5%
20260611 39% 0.6%
20260610 34% 0.6%
20260609 26% 0.5%
20260608 32% 0.5%
20260605 20% 0.5%
20260604 26% 0.5%
20260603 30% 0.5%
20260602 36% 0.6%
20260601 47% 0.6%
20260529 24% 0.5%
20260528 33% 0.6%
20260527 26% 0.5%
20260526 25% 0.5%
20260522 16% 0.5%
20260521 19% 0.5%
20260520 15% 0.5%
20260519 14% 0.5%
20260518 15% 0.5%
20260515 13% 0.5%
20260514 10% 0.4%
20260513 12% 0.4%
20260512 10% 0.4%
20260511 14% 0.4%
20260510 14% 0.4%
20260508 12% 0.4%
20260507 12% 0.4%
20260506 14% 0.4%
20260505 12% 0.4%
20260504 13% 0.4%
20260502 93% 0.8%
20260501 89% 0.8%
20260430 100% 0.9%
20260429 82% 0.7%
20260428 77% 0.7%
20260427 85% 0.8%
20260424 59% 0.6%
20260423 50% 0.6%
20260422 45% 0.6%
20260421 65% 0.7%
20260420 55% 0.6%
20260417 43% 0.6%
20260416 37% 0.5%
20260415 49% 0.6%
20260414 41% 0.5%
20260413 20% 0.4%
20260410 19% 0.4%
20260409 36% 0.5%
20260408 36% 0.5%
20260407 35% 0.5%
20260406 27% 0.5%
20260402 21% 0.5%
20260401 83% 0.8%
20260331 92% 0.8%
20260330 83% 0.8%
20260327 75% 0.7%
20260326 55% 0.6%
20260325 62% 0.7%
20260324 69% 0.7%
20260323 70% 0.7%
20260320 36% 0.5%
20260319 43% 0.6%
20260318 51% 0.6%
20260317 51% 0.6%
20260316 44% 0.6%
20260313 37% 0.5%
20260312 40% 0.6%
20260311 31% 0.5%
20260310 40% 0.6%
20260309 34% 0.5%
20260308 34% 0.5%
20260306 36% 0.5%
20260305 36% 0.5%
20260304 44% 0.6%
20260303 42% 0.6%
20260302 46% 0.6%
20260227 35% 0.5%
20260226 21% 0.5%
20260225 32% 0.5%
20260224 31% 0.5%