OSI Systems Inc. Common Stock (DE) drawdown: 37.1% below the all-time high (price)
OSI Systems Inc. Common Stock (DE) is 37.1% below its all-time high, set Apr 17, 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
- −37.1%
- 62.9% of ATH
- All-time high
- $309.68
- Apr 17, 2026
- Time below the high
- 6 mo
- since Apr 17, 2026
- Worst-ever drawdown
- −88.4%
- Apr 6, 2001
- Longest underwater
- 5.0 yrs
- between all-time highs
- Today's level first reached
- Jan 24, 2025
- 1.7 yrs ago
- Last time this deep
- Oct 20, 2022
- in a previous episode
% of all-time high since 1997: 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 |
|---|---|---|---|---|---|
| Mar 17, 2000 | Apr 6, 2001 | −88.4% | 13 mo | Jan 31, 2002 | 1.9 yrs |
| Jan 29, 1998 | Oct 21, 1999 | −80.7% | 1.7 yrs | Mar 9, 2000 | 2.1 yrs |
| May 9, 2007 | Nov 12, 2008 | −64.0% | 1.5 yrs | Jan 8, 2010 | 2.7 yrs |
| Jul 5, 2019 | Mar 20, 2020 | −53.6% | 9 mo | May 1, 2023 | 3.8 yrs |
| Mar 12, 2002 | Aug 5, 2002 | −50.3% | 5 mo | Feb 26, 2007 | 5.0 yrs |
| Nov 23, 2015 | May 19, 2016 | −48.7% | 6 mo | Oct 12, 2017 | 1.9 yrs |
| Oct 12, 2017 | Feb 2, 2018 | −43.0% | 4 mo | May 1, 2019 | 1.5 yrs |
| Oct 25, 2012 | Dec 9, 2013 | −41.4% | 13 mo | Oct 7, 2015 | 2.9 yrs |
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 1997: how far OSI Systems Inc. Common Stock (DE) 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 OSI Systems Inc. Common Stock (DE) from its all-time high?
- OSI Systems Inc. Common Stock (DE) is currently 37.1% below its all-time high, set Apr 17, 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 OSI Systems Inc. Common Stock (DE) drawdown ever?
- The deepest decline on record in our data (since 1997) took OSI Systems Inc. Common Stock (DE) 88.4% below its prior high, bottoming Apr 6, 2001. The table on this page lists every major episode with its peak, trough and recovery date.
Methodology & related#
Daily data since -1 from OSIS; no free deep history exists for OSI Systems Inc. Common Stock (DE) — 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.