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
4%
Compressed — premium buying regime
30-Day Avg
34%
60-Day Avg
26%
90-Day Avg
30%
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
20260904 4% 0.4%
20260903 0% 0.3%
20260902 54% 0.6%
20260901 64% 0.7%
20260831 56% 0.6%
20260828 61% 0.7%
20260827 52% 0.6%
20260826 63% 0.7%
20260825 59% 0.6%
20260824 51% 0.6%
20260821 35% 0.5%
20260820 51% 0.6%
20260819 44% 0.6%
20260818 26% 0.5%
20260817 24% 0.5%
20260814 6% 0.4%
20260813 8% 0.4%
20260812 19% 0.5%
20260811 19% 0.5%
20260810 26% 0.5%
20260806 21% 0.5%
20260805 55% 0.6%
20260804 28% 0.5%
20260803 24% 0.5%
20260731 40% 0.6%
20260730 32% 0.5%
20260729 29% 0.5%
20260728 25% 0.5%
20260727 30% 0.5%
20260724 21% 0.5%
20260723 2% 0.4%
20260722 15% 0.4%
20260721 15% 0.4%
20260720 20% 0.5%
20260716 7% 0.4%
20260715 13% 0.4%
20260714 9% 0.4%
20260713 12% 0.4%
20260710 7% 0.4%
20260709 8% 0.4%
20260708 3% 0.4%
20260707 11% 0.4%
20260706 5% 0.4%
20260702 38% 0.6%
20260701 30% 0.5%
20260630 42% 0.6%
20260629 38% 0.6%
20260626 43% 0.6%
20260625 40% 0.6%
20260624 27% 0.5%
20260623 10% 0.4%
20260622 16% 0.5%
20260618 17% 0.5%
20260617 6% 0.4%
20260616 15% 0.4%
20260615 19% 0.5%
20260613 5% 0.4%
20260612 11% 0.4%
20260611 14% 0.4%
20260610 17% 0.5%
20260609 9% 0.4%
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%