BOKF (BOK Financial Corp)

Historical IV Rank & Volatility Regime

IV Rank measures where BOKF'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 BOKF 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.

BOKF IV Rank Summary
Current
10%
Compressed — premium buying regime
30-Day Avg
42%
60-Day Avg
33%
90-Day Avg
31%
90-Day Low
0%
90-Day High
88%
IV Rank is bounded 0%–100% by construction. Sustained levels above 75% historically precede mean reversion in BOKF'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.
BOKF IV Rank — Last 90 Trading Days
DateIV RankAvg IV
20260608 10% 0.4%
20260605 12% 0.4%
20260604 7% 0.4%
20260603 6% 0.4%
20260602 81% 0.8%
20260601 80% 0.8%
20260529 71% 0.7%
20260528 36% 0.6%
20260527 63% 0.7%
20260526 49% 0.6%
20260522 45% 0.6%
20260521 44% 0.6%
20260520 38% 0.6%
20260519 56% 0.7%
20260518 44% 0.6%
20260515 32% 0.5%
20260514 44% 0.6%
20260513 31% 0.5%
20260512 23% 0.5%
20260511 25% 0.5%
20260510 31% 0.5%
20260508 29% 0.5%
20260507 22% 0.5%
20260506 6% 0.4%
20260505 26% 0.5%
20260504 13% 0.4%
20260502 78% 0.8%
20260501 74% 0.8%
20260430 88% 0.8%
20260429 84% 0.8%
20260428 41% 0.6%
20260427 58% 0.7%
20260424 41% 0.6%
20260423 39% 0.6%
20260422 25% 0.5%
20260421 34% 0.5%
20260420 39% 0.6%
20260417 28% 0.5%
20260416 26% 0.5%
20260415 31% 0.5%
20260414 26% 0.5%
20260413 14% 0.5%
20260410 15% 0.5%
20260409 19% 0.5%
20260408 9% 0.4%
20260407 20% 0.5%
20260406 17% 0.5%
20260402 0% 0.4%
20260401 36% 0.6%
20260331 26% 0.6%
20260330 25% 0.5%
20260327 28% 0.6%
20260326 19% 0.5%
20260325 17% 0.5%
20260324 19% 0.5%
20260323 18% 0.5%
20260320 12% 0.5%
20260319 12% 0.5%
20260318 13% 0.5%
20260317 14% 0.5%
20260316 10% 0.4%
20260313 8% 0.4%
20260312 6% 0.4%
20260311 5% 0.4%
20260310 8% 0.4%
20260309 11% 0.4%
20260308 8% 0.4%
20260306 7% 0.4%
20260305 12% 0.5%
20260304 74% 0.9%
20260303 52% 0.7%
20260302 75% 0.9%
20260227 39% 0.6%
20260226 59% 0.8%
20260225 43% 0.7%
20260224 49% 0.7%
20260223 30% 0.6%
20260221 33% 0.6%
20260220 31% 0.6%
20260219 41% 0.7%
20260218 42% 0.7%
20260217 34% 0.6%
20260213 21% 0.5%
20260212 22% 0.5%
20260211 17% 0.5%
20260210 16% 0.5%
20260209 26% 0.6%
20260206 14% 0.5%
20260205 22% 0.5%
20260204 45% 0.7%