BLLN (BillionToOne, Inc. Class A Common Stock)

Historical IV Rank & Volatility Regime

IV Rank measures where BLLN'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 BLLN 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.

BLLN IV Rank Summary
Current
6%
Compressed — premium buying regime
30-Day Avg
38%
60-Day Avg
27%
90-Day Avg
27%
90-Day Low
0%
90-Day High
90%
IV Rank is bounded 0%–100% by construction. Sustained levels above 75% historically precede mean reversion in BLLN'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.
BLLN IV Rank — Last 90 Trading Days
DateIV RankAvg IV
20260904 6% 0.6%
20260903 0% 0.5%
20260902 80% 1.2%
20260901 90% 1.3%
20260831 90% 1.3%
20260828 60% 1.1%
20260827 62% 1.1%
20260826 56% 1.1%
20260825 68% 1.1%
20260824 41% 1.0%
20260821 46% 1.0%
20260820 38% 1.0%
20260819 37% 1.0%
20260818 57% 1.1%
20260817 28% 0.9%
20260814 33% 0.9%
20260813 30% 0.9%
20260812 22% 0.9%
20260811 26% 0.9%
20260810 17% 0.8%
20260806 26% 0.9%
20260805 44% 1.0%
20260804 33% 0.9%
20260803 27% 0.9%
20260731 26% 0.9%
20260730 17% 0.8%
20260729 31% 0.9%
20260728 9% 0.8%
20260727 26% 0.9%
20260724 16% 0.8%
20260723 20% 0.9%
20260722 16% 0.8%
20260721 16% 0.8%
20260720 10% 0.8%
20260716 22% 0.9%
20260715 11% 0.8%
20260714 11% 0.8%
20260713 3% 0.8%
20260710 13% 0.8%
20260709 0% 0.7%
20260708 0% 0.8%
20260707 4% 0.8%
20260706 3% 0.8%
20260702 35% 1.0%
20260701 49% 1.1%
20260630 14% 0.9%
20260629 31% 1.0%
20260626 23% 0.9%
20260625 26% 1.0%
20260624 24% 0.9%
20260623 16% 0.9%
20260622 17% 0.9%
20260618 11% 0.9%
20260617 12% 0.9%
20260616 15% 0.9%
20260615 14% 0.9%
20260613 12% 0.9%
20260612 14% 0.9%
20260611 15% 0.9%
20260610 0% 0.8%
20260609 7% 0.8%
20260608 6% 0.8%
20260605 2% 0.8%
20260604 1% 0.8%
20260603 0% 0.8%
20260602 42% 1.1%
20260601 52% 1.2%
20260529 31% 1.0%
20260528 33% 1.0%
20260527 36% 1.1%
20260526 55% 1.2%
20260522 23% 1.0%
20260521 19% 0.9%
20260520 20% 0.9%
20260519 19% 0.9%
20260518 20% 0.9%
20260515 21% 1.0%
20260514 26% 1.0%
20260513 25% 1.0%
20260512 19% 0.9%
20260511 20% 0.9%
20260510 29% 1.0%
20260508 15% 0.9%
20260507 15% 0.9%
20260506 41% 1.1%
20260505 24% 1.0%
20260504 34% 1.0%
20260502 75% 1.3%
20260501 69% 1.3%
20260430 75% 1.3%