Zenas BioPharma Inc. drawdown: 34.7% below the all-time high (price)
Zenas BioPharma Inc. is 34.7% below its all-time high, set Dec 24, 2025 (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
- −34.7%
- 65.3% of ATH
- All-time high
- $43.17
- Dec 24, 2025
- Time below the high
- 10 mo
- since Dec 24, 2025
- Worst-ever drawdown
- −75.0%
- Jan 28, 2025
- Longest underwater
- 12 mo
- between all-time highs
- Today's level first reached
- Oct 27, 2025
- 12 mo ago
- Last time this deep
- Aug 29, 2025
- in a previous episode
% of all-time high since 2024: 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 |
|---|---|---|---|---|---|
| Oct 22, 2024 | Jan 28, 2025 | −75.0% | 3 mo | Oct 8, 2025 | 12 mo |
| Dec 24, 2025 | Jan 6, 2026 | −64.8% | 13 days | not yet | 10 mo+ |
| Dec 12, 2025 | Dec 15, 2025 | −19.7% | 3 days | Dec 22, 2025 | 10 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.
Drawdown vs what came next#
One dot per month since 2024: how far Zenas BioPharma Inc. stood below its all-time high, and the total return over the following 1, 5 and 10 years.
Read this with survivorship bias in mind: a single asset's history is one surviving sample, so past recoveries here say little about the odds ahead. Monthly windows also overlap heavily (they are not independent samples). Not investment advice.
FAQ#
- How far is Zenas BioPharma Inc. from its all-time high?
- Zenas BioPharma Inc. is currently 34.7% below its all-time high, set Dec 24, 2025 (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 Zenas BioPharma Inc. drawdown ever?
- The deepest decline on record in our data (since 2024) took Zenas BioPharma Inc. 75.0% below its prior high, bottoming Jan 28, 2025. The table on this page lists every major episode with its peak, trough and recovery date.
Methodology & related#
Daily data since -1 from ZBIO; no free deep history exists for Zenas BioPharma 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.