FAST (Fastenal Co)

Historical IV Rank & Volatility Regime

IV Rank measures where FAST'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 FAST 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.

FAST IV Rank Summary
Current
19%
Compressed — premium buying regime
30-Day Avg
40%
60-Day Avg
45%
90-Day Avg
36%
90-Day Low
2%
90-Day High
97%
IV Rank is bounded 0%–100% by construction. Sustained levels above 75% historically precede mean reversion in FAST'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.
FAST IV Rank — Last 90 Trading Days
DateIV RankAvg IV
20260707 19% 0.5%
20260706 24% 0.5%
20260702 60% 0.7%
20260701 97% 0.9%
20260630 54% 0.7%
20260629 39% 0.6%
20260626 52% 0.7%
20260625 13% 0.5%
20260624 38% 0.6%
20260623 44% 0.6%
20260622 44% 0.6%
20260618 21% 0.5%
20260617 14% 0.5%
20260616 24% 0.5%
20260615 30% 0.6%
20260613 7% 0.4%
20260612 20% 0.5%
20260611 26% 0.5%
20260610 30% 0.6%
20260609 11% 0.5%
20260608 26% 0.5%
20260605 26% 0.5%
20260604 20% 0.5%
20260603 11% 0.5%
20260602 85% 0.8%
20260601 80% 0.8%
20260529 87% 0.8%
20260528 73% 0.8%
20260527 73% 0.8%
20260526 55% 0.7%
20260522 51% 0.7%
20260521 53% 0.7%
20260520 62% 0.7%
20260519 60% 0.7%
20260518 53% 0.7%
20260515 46% 0.6%
20260514 43% 0.6%
20260513 50% 0.7%
20260512 52% 0.7%
20260511 42% 0.6%
20260510 54% 0.7%
20260508 25% 0.6%
20260507 38% 0.6%
20260506 37% 0.6%
20260505 34% 0.6%
20260504 32% 0.6%
20260502 77% 0.9%
20260501 77% 0.9%
20260430 69% 0.9%
20260429 71% 0.9%
20260428 77% 0.9%
20260427 52% 0.7%
20260424 51% 0.7%
20260423 40% 0.7%
20260422 44% 0.7%
20260421 39% 0.7%
20260420 40% 0.7%
20260417 39% 0.7%
20260416 39% 0.7%
20260415 25% 0.6%
20260414 34% 0.6%
20260413 28% 0.6%
20260410 27% 0.6%
20260409 31% 0.6%
20260408 20% 0.5%
20260407 10% 0.5%
20260406 18% 0.5%
20260402 7% 0.4%
20260401 23% 0.6%
20260331 2% 0.4%
20260330 19% 0.5%
20260327 27% 0.6%
20260326 11% 0.5%
20260325 10% 0.5%
20260324 20% 0.5%
20260323 18% 0.5%
20260320 20% 0.5%
20260319 17% 0.5%
20260318 20% 0.5%
20260317 16% 0.5%
20260316 8% 0.5%
20260313 4% 0.4%
20260312 21% 0.5%
20260311 6% 0.4%
20260310 23% 0.5%
20260309 4% 0.4%
20260308 17% 0.5%
20260306 13% 0.5%
20260305 16% 0.5%
20260304 59% 0.8%