STOK (Stoke Therapeutics, Inc. Common Stock)

Historical IV Rank & Volatility Regime

IV Rank measures where STOK'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 STOK 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.

STOK IV Rank Summary
Current
38%
Subdued — neutral to long-vol
30-Day Avg
23%
60-Day Avg
27%
90-Day Avg
25%
90-Day Low
0%
90-Day High
82%
IV Rank is bounded 0%–100% by construction. Sustained levels above 75% historically precede mean reversion in STOK'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.
STOK IV Rank — Last 90 Trading Days
DateIV RankAvg IV
20260925 38% 1.1%
20260924 50% 1.2%
20260923 35% 1.0%
20260922 31% 1.0%
20260921 32% 1.0%
20260918 31% 1.0%
20260917 6% 0.8%
20260916 16% 0.9%
20260915 26% 1.0%
20260914 8% 0.8%
20260911 24% 0.9%
20260910 6% 0.8%
20260909 2% 0.8%
20260908 1% 0.8%
20260904 4% 0.8%
20260903 0% 0.8%
20260902 50% 1.3%
20260901 10% 0.9%
20260831 46% 1.2%
20260828 52% 1.3%
20260827 24% 1.0%
20260826 23% 1.0%
20260825 39% 1.2%
20260824 38% 1.2%
20260821 23% 1.0%
20260820 23% 1.0%
20260819 15% 0.9%
20260818 24% 1.0%
20260817 3% 0.8%
20260814 14% 0.9%
20260813 21% 1.0%
20260812 21% 1.0%
20260811 0% 0.8%
20260810 17% 1.0%
20260806 0% 0.8%
20260805 80% 1.5%
20260804 82% 1.6%
20260803 55% 1.3%
20260731 59% 1.4%
20260730 25% 1.0%
20260729 44% 1.2%
20260728 28% 1.1%
20260727 48% 1.2%
20260724 28% 1.1%
20260723 16% 1.0%
20260722 24% 1.0%
20260721 16% 0.9%
20260720 27% 1.1%
20260716 23% 1.0%
20260715 10% 0.9%
20260714 19% 1.0%
20260713 33% 1.1%
20260710 9% 0.9%
20260709 15% 0.9%
20260708 16% 1.0%
20260707 21% 1.0%
20260706 8% 0.9%
20260702 61% 1.4%
20260701 78% 1.5%
20260630 46% 1.2%
20260629 56% 1.3%
20260626 31% 1.1%
20260625 44% 1.2%
20260624 53% 1.3%
20260623 41% 1.2%
20260622 44% 1.2%
20260618 23% 1.0%
20260617 27% 1.1%
20260616 29% 1.1%
20260615 16% 0.9%
20260613 26% 1.0%
20260612 18% 1.0%
20260611 15% 0.9%
20260610 18% 1.0%
20260609 8% 0.9%
20260608 11% 1.0%
20260605 6% 0.9%
20260604 7% 0.9%
20260603 0% 0.8%
20260602 29% 1.5%
20260601 17% 1.3%
20260529 18% 1.3%
20260528 12% 1.2%
20260527 14% 1.2%
20260526 8% 1.1%
20260522 6% 1.1%
20260521 6% 1.1%
20260520 6% 1.1%
20260519 4% 1.0%