BillionToOne Inc. drawdown: 31.0% below the all-time high (price)
BillionToOne Inc. is 31.0% below its all-time high, set Aug 5, 2026 (as of market close, Oct 20, 2026), measured on price alone — dividends are not included, the convention headlines and crash histories use. The chart shows every day as a percentage of the highest level reached up to that point: 100% means a fresh record, everything below is a drawdown.
- Below all-time high
- −31.0%
- 69.0% of ATH
- All-time high
- $149.97
- Aug 5, 2026
- Time below the high
- 2 mo
- since Aug 5, 2026
- Worst-ever drawdown
- −50.8%
- Mar 12, 2026
- Longest underwater
- 8 mo
- between all-time highs
- Today's level first reached
- Nov 6, 2025
- 11 mo ago
- Last time this deep
- May 26, 2026
- in a previous episode
% of all-time high since 2025: price#
The classic underwater chart (drawdown curve), drawn as % of the all-time high — 100% is a fresh record, everything below it is time spent underwater. Basis and range are in the URL, so a particular view is a link.
The deepest drawdowns on record#
Every decline of 15% or more from an all-time high (price basis), deepest first.
| Peak | Trough | Depth | Peak → trough | Recovered by | Underwater |
|---|---|---|---|---|---|
| Nov 28, 2025 | Mar 12, 2026 | −50.8% | 3 mo | Jul 17, 2026 | 8 mo |
| Aug 5, 2026 | Aug 18, 2026 | −41.3% | 13 days | not yet | 2 mo+ |
| Nov 6, 2025 | Nov 13, 2025 | −17.8% | 7 days | Nov 21, 2025 | 15 days |
Price basis (no dividends) — the convention crash histories use. With dividends reinvested, recoveries arrive years earlier; switch the basis on the chart above to see it.
FAQ#
- How far is BillionToOne Inc. from its all-time high?
- BillionToOne Inc. is currently 31.0% below its all-time high, set Aug 5, 2026 (as of market close, Oct 20, 2026). Prices only, the convention headlines use; with dividends reinvested the gap is usually smaller.
- What was the biggest BillionToOne Inc. drawdown ever?
- The deepest decline on record in our data (since 2025) took BillionToOne Inc. 50.8% below its prior high, bottoming Mar 12, 2026. The table on this page lists every major episode with its peak, trough and recovery date.
Methodology & related#
Daily data since -1 from BLLN; no free deep history exists for BillionToOne Inc. — for a 150-year drawdown record see the S&P 500 drawdown page. The price basis excludes dividends; the total-return basis reinvests them; the real basis additionally deflates by CPI. See also returns by year. Past performance does not predict future returns; not investment advice.