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
2%
Compressed — premium buying regime
30-Day Avg
33%
60-Day Avg
31%
90-Day Avg
37%
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 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
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%
20260429 69% 1.3%
20260428 65% 1.2%
20260427 52% 1.2%
20260424 62% 1.2%
20260423 47% 1.1%
20260422 30% 1.0%
20260421 45% 1.1%
20260420 0% 0.8%
20260417 41% 1.1%
20260416 35% 1.0%
20260415 21% 1.0%
20260414 33% 1.0%
20260413 28% 1.0%
20260410 26% 1.0%
20260409 22% 1.0%
20260408 0% 0.8%
20260407 1% 0.9%
20260406 0% 0.9%
20260402 7% 0.9%
20260401 65% 1.3%
20260331 54% 1.2%
20260330 62% 1.3%
20260327 40% 1.1%
20260326 42% 1.1%
20260325 21% 1.0%
20260324 31% 1.1%
20260323 18% 1.0%
20260320 15% 1.0%
20260319 27% 1.0%
20260318 19% 1.0%
20260317 23% 1.0%
20260316 20% 1.0%
20260313 22% 1.0%
20260312 34% 1.1%
20260311 22% 1.0%
20260310 22% 1.0%
20260309 20% 1.0%
20260308 14% 1.0%
20260306 8% 0.9%
20260305 13% 1.0%
20260304 100% 1.5%
20260303 81% 1.2%
20260302 100% 1.3%
20260227 100% 1.1%
20260226 82% 1.1%
20260225 97% 1.1%
20260224 100% 1.1%
20260223 100% 1.1%
20260221 95% 1.0%
20260220 0% 0.9%
20260219 50% 1.0%