XFOR (X4 Pharmaceuticals, Inc. Common Stock)
Historical IV Rank & Volatility Regime
IV Rank measures where XFOR'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 XFOR 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.
XFOR IV Rank Summary
Current
20%
Compressed — premium buying regime
30-Day Avg
18%
60-Day Avg
15%
90-Day Avg
18%
90-Day Low
0%
90-Day High
92%
IV Rank is bounded 0%–100% by construction. Sustained levels above 75% historically
precede mean reversion in XFOR'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.
XFOR IV Rank — Last 90 Trading Days
| Date | IV Rank | Avg IV |
|---|---|---|
| 20260910 | 20% | 3.2% |
| 20260909 | 15% | 2.5% |
| 20260908 | 23% | 3.7% |
| 20260904 | 11% | 1.7% |
| 20260903 | 11% | 1.7% |
| 20260902 | 20% | 3.3% |
| 20260901 | 24% | 3.8% |
| 20260831 | 23% | 3.7% |
| 20260828 | 23% | 3.6% |
| 20260827 | 20% | 3.2% |
| 20260826 | 21% | 3.4% |
| 20260825 | 19% | 3.0% |
| 20260824 | 17% | 2.8% |
| 20260821 | 17% | 2.6% |
| 20260820 | 20% | 3.2% |
| 20260819 | 22% | 3.5% |
| 20260818 | 16% | 2.6% |
| 20260817 | 16% | 2.5% |
| 20260814 | 15% | 2.4% |
| 20260813 | 15% | 2.3% |
| 20260812 | 14% | 2.3% |
| 20260811 | 15% | 2.3% |
| 20260810 | 19% | 3.0% |
| 20260806 | 17% | 2.8% |
| 20260805 | 18% | 2.9% |
| 20260804 | 14% | 2.3% |
| 20260803 | 15% | 2.3% |
| 20260731 | 26% | 4.1% |
| 20260730 | 19% | 3.0% |
| 20260729 | 13% | 2.1% |
| 20260728 | 13% | 2.0% |
| 20260727 | 13% | 2.1% |
| 20260724 | 14% | 2.3% |
| 20260723 | 19% | 3.1% |
| 20260722 | 16% | 2.8% |
| 20260721 | 10% | 1.7% |
| 20260720 | 13% | 2.2% |
| 20260716 | 9% | 1.6% |
| 20260715 | 17% | 3.0% |
| 20260714 | 8% | 1.4% |
| 20260713 | 13% | 2.2% |
| 20260710 | 11% | 1.9% |
| 20260709 | 7% | 1.2% |
| 20260708 | 6% | 1.1% |
| 20260707 | 11% | 1.9% |
| 20260706 | 10% | 1.8% |
| 20260702 | 19% | 3.3% |
| 20260701 | 29% | 5.1% |
| 20260630 | 17% | 2.9% |
| 20260629 | 9% | 1.6% |
| 20260626 | 6% | 1.1% |
| 20260625 | 10% | 1.7% |
| 20260624 | 7% | 1.2% |
| 20260623 | 19% | 3.3% |
| 20260622 | 9% | 1.5% |
| 20260618 | 7% | 1.3% |
| 20260617 | 4% | 0.6% |
| 20260616 | 6% | 1.0% |
| 20260615 | 16% | 2.8% |
| 20260613 | 7% | 1.2% |
| 20260612 | 6% | 1.1% |
| 20260611 | 7% | 1.3% |
| 20260610 | 6% | 1.0% |
| 20260609 | 4% | 0.7% |
| 20260608 | 8% | 1.5% |
| 20260605 | 8% | 1.4% |
| 20260604 | 12% | 2.1% |
| 20260603 | 6% | 1.1% |
| 20260602 | 31% | 5.3% |
| 20260601 | 26% | 4.5% |
| 20260529 | 15% | 2.6% |
| 20260528 | 8% | 1.5% |
| 20260527 | 15% | 2.6% |
| 20260526 | 33% | 5.8% |
| 20260116 | 0% | 0.0% |
| 20260115 | 0% | 0.0% |
| 20260114 | 0% | 0.0% |
| 20260113 | 0% | 0.0% |
| 20260112 | 0% | 0.0% |
| 20260109 | 16% | 2.8% |
| 20260108 | 15% | 2.7% |
| 20260107 | 0% | 0.0% |
| 20260106 | 30% | 5.2% |
| 20260105 | 28% | 4.9% |
| 20260102 | 57% | 10.0% |
| 20251231 | 89% | 15.5% |
| 20251230 | 83% | 14.4% |
| 20251229 | 82% | 14.3% |
| 20251226 | 92% | 15.9% |
| 20251224 | 88% | 15.2% |