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
71%
Moderate — neutral regime
30-Day Avg
37%
60-Day Avg
37%
90-Day Avg
42%
90-Day Low
4%
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
20260824 71% 0.8%
20260821 61% 0.7%
20260820 64% 0.7%
20260819 43% 0.6%
20260818 69% 0.8%
20260817 55% 0.7%
20260814 34% 0.6%
20260813 52% 0.7%
20260812 40% 0.6%
20260811 55% 0.7%
20260810 14% 0.5%
20260806 13% 0.5%
20260805 71% 0.8%
20260804 32% 0.6%
20260803 57% 0.7%
20260731 50% 0.7%
20260730 50% 0.7%
20260729 44% 0.6%
20260728 47% 0.6%
20260727 22% 0.5%
20260724 15% 0.5%
20260723 22% 0.5%
20260722 24% 0.5%
20260721 17% 0.5%
20260720 23% 0.5%
20260716 12% 0.5%
20260715 10% 0.5%
20260714 4% 0.4%
20260713 12% 0.5%
20260710 23% 0.5%
20260709 8% 0.4%
20260708 21% 0.5%
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%