CASY (Casey's General Stores Inc)

Historical IV Rank & Volatility Regime

IV Rank measures where CASY'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 CASY 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.

CASY IV Rank Summary
Current
23%
Compressed — premium buying regime
30-Day Avg
26%
60-Day Avg
26%
90-Day Avg
23%
90-Day Low
3%
90-Day High
100%
IV Rank is bounded 0%–100% by construction. Sustained levels above 75% historically precede mean reversion in CASY'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.
CASY IV Rank — Last 90 Trading Days
DateIV RankAvg IV
20260702 23% 0.4%
20260701 19% 0.4%
20260630 25% 0.4%
20260629 26% 0.4%
20260626 19% 0.4%
20260625 20% 0.4%
20260624 17% 0.4%
20260623 19% 0.4%
20260622 17% 0.4%
20260618 17% 0.4%
20260617 15% 0.4%
20260616 16% 0.4%
20260615 17% 0.4%
20260613 19% 0.4%
20260612 16% 0.4%
20260611 10% 0.4%
20260610 27% 0.5%
20260609 30% 0.5%
20260608 30% 0.5%
20260605 27% 0.5%
20260604 27% 0.4%
20260603 26% 0.4%
20260602 51% 0.6%
20260601 52% 0.6%
20260529 39% 0.5%
20260528 37% 0.5%
20260527 40% 0.5%
20260526 46% 0.5%
20260510 24% 0.4%
20260508 21% 0.4%
20260507 18% 0.4%
20260506 18% 0.4%
20260505 16% 0.4%
20260504 22% 0.4%
20260502 44% 0.5%
20260501 100% 0.8%
20260430 60% 0.6%
20260429 47% 0.5%
20260428 38% 0.5%
20260427 33% 0.4%
20260424 30% 0.4%
20260423 28% 0.4%
20260422 79% 0.7%
20260421 33% 0.4%
20260420 16% 0.4%
20260417 13% 0.4%
20260416 26% 0.4%
20260415 16% 0.4%
20260414 33% 0.4%
20260413 11% 0.3%
20260410 7% 0.3%
20260409 10% 0.3%
20260408 12% 0.3%
20260407 8% 0.3%
20260406 9% 0.3%
20260402 10% 0.3%
20260401 4% 0.3%
20260331 28% 0.5%
20260330 18% 0.4%
20260327 8% 0.3%
20260326 18% 0.4%
20260325 13% 0.4%
20260324 12% 0.4%
20260323 10% 0.4%
20260320 8% 0.3%
20260319 7% 0.3%
20260318 7% 0.3%
20260317 3% 0.3%
20260316 6% 0.3%
20260313 12% 0.4%
20260312 6% 0.3%
20260311 3% 0.3%
20260310 7% 0.3%
20260309 15% 0.4%
20260308 16% 0.4%
20260306 14% 0.4%
20260305 13% 0.4%
20260304 33% 0.5%
20260303 35% 0.5%
20260302 31% 0.5%
20260227 23% 0.4%
20260226 26% 0.5%
20260225 16% 0.4%
20260224 23% 0.4%
20260223 22% 0.4%
20260221 17% 0.4%
20260220 19% 0.4%
20260219 19% 0.4%
20260218 17% 0.4%
20260217 18% 0.4%