HOWL (Werewolf Therapeutics, Inc. Common Stock)
Historical IV Rank & Volatility Regime
IV Rank measures where HOWL'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 HOWL 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.
HOWL IV Rank Summary
Current
15%
Compressed — premium buying regime
30-Day Avg
25%
60-Day Avg
43%
90-Day Avg
42%
90-Day Low
0%
90-Day High
100%
IV Rank is bounded 0%–100% by construction. Sustained levels above 75% historically
precede mean reversion in HOWL'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.
HOWL IV Rank — Last 90 Trading Days
| Date | IV Rank | Avg IV |
|---|---|---|
| 20260910 | 15% | 2.3% |
| 20260909 | 14% | 2.2% |
| 20260908 | 16% | 2.4% |
| 20260904 | 17% | 2.6% |
| 20260903 | 20% | 3.0% |
| 20260902 | 10% | 1.6% |
| 20260901 | 34% | 5.3% |
| 20260831 | 28% | 4.4% |
| 20260828 | 29% | 4.4% |
| 20260827 | 27% | 4.2% |
| 20260826 | 28% | 4.3% |
| 20260825 | 24% | 3.7% |
| 20260824 | 28% | 4.3% |
| 20260821 | 27% | 4.1% |
| 20260820 | 23% | 3.6% |
| 20260819 | 53% | 8.2% |
| 20260818 | 31% | 4.8% |
| 20260817 | 0% | 0.0% |
| 20260814 | 37% | 5.7% |
| 20260813 | 0% | 0.0% |
| 20260812 | 0% | 0.0% |
| 20260811 | 0% | 0.0% |
| 20260810 | 23% | 3.5% |
| 20260806 | 23% | 3.5% |
| 20260805 | 0% | 0.0% |
| 20260804 | 0% | 0.0% |
| 20260803 | 73% | 11.2% |
| 20260731 | 0% | 0.0% |
| 20260730 | 86% | 13.3% |
| 20260729 | 84% | 13.0% |
| 20260728 | 80% | 12.4% |
| 20260727 | 81% | 12.4% |
| 20260724 | 100% | 15.4% |
| 20260723 | 0% | 0.0% |
| 20260722 | 93% | 7.7% |
| 20260721 | 22% | 1.8% |
| 20260720 | 29% | 2.4% |
| 20260716 | 49% | 4.1% |
| 20260715 | 0% | 0.0% |
| 20260714 | 0% | 0.0% |
| 20260713 | 0% | 0.0% |
| 20260710 | 45% | 3.8% |
| 20260709 | 0% | 0.0% |
| 20260708 | 65% | 5.4% |
| 20260707 | 91% | 7.6% |
| 20260706 | 46% | 3.8% |
| 20260702 | 65% | 5.4% |
| 20260701 | 62% | 5.1% |
| 20260630 | 59% | 4.9% |
| 20260629 | 100% | 8.3% |
| 20260626 | 100% | 7.3% |
| 20260625 | 60% | 4.2% |
| 20260624 | 100% | 7.1% |
| 20260623 | 100% | 6.7% |
| 20260622 | 61% | 3.5% |
| 20260618 | 86% | 4.9% |
| 20260617 | 96% | 5.5% |
| 20260616 | 92% | 5.2% |
| 20260615 | 93% | 5.3% |
| 20260613 | 53% | 3.0% |
| 20260612 | 78% | 4.4% |
| 20260611 | 88% | 5.1% |
| 20260610 | 79% | 4.5% |
| 20260609 | 81% | 4.7% |
| 20260608 | 80% | 4.6% |
| 20260605 | 75% | 4.3% |
| 20260604 | 70% | 4.0% |
| 20260603 | 70% | 4.0% |
| 20260602 | 0% | 0.0% |
| 20260601 | 100% | 5.7% |
| 20260529 | 0% | 0.0% |
| 20260528 | 0% | 0.0% |
| 20260527 | 64% | 3.7% |
| 20260526 | 90% | 5.1% |
| 20260522 | 68% | 3.9% |
| 20260521 | 0% | 0.0% |
| 20260520 | 66% | 3.8% |
| 20260519 | 0% | 0.0% |
| 20260518 | 0% | 0.0% |
| 20260515 | 0% | 0.0% |
| 20260514 | 53% | 3.0% |
| 20260513 | 57% | 3.3% |
| 20260512 | 0% | 0.0% |
| 20260511 | 41% | 2.4% |
| 20260510 | 0% | 0.0% |
| 20260508 | 0% | 0.0% |
| 20260507 | 0% | 0.0% |
| 20260506 | 0% | 0.0% |
| 20260505 | 0% | 0.0% |
| 20260504 | 0% | 0.0% |