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SMTC
$178.35-0.97%
as of close, Sep 30, 2026
☾ AH $178.35 -0.97%
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Semtech Corporation drawdown: 3.6% below the all-time high

Semtech Corporation is 3.6% below its all-time high, set Sep 18, 2026 (as of market close, Sep 30, 2026). 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
−3.6%
96.4% of ATH
All-time high
$185
Sep 18, 2026
Time below the high
12 days
since Sep 18, 2026
Worst-ever drawdown
−91.2%
Jan 7, 1991
Longest underwater
18.0 yrs
between all-time highs
Today's level first reached
Sep 18, 2026
12 days ago
Last time this deep
Sep 16, 2026
in a previous episode

% of all-time high since 1980#

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.

Basis
Range
All-time high = 100%20%40%60%80%
SMTC close · log0.201.005.0020.00100
1990200020102020

The deepest drawdowns on record#

Every decline of 15% or more from an all-time high (price basis), deepest first.

PeakTroughDepthPeak → troughRecovered byUnderwater
Nov 7, 1980Jan 7, 1991−91.2%10.2 yrsMar 3, 199514.3 yrs
Nov 19, 2021Nov 1, 2023−85.4%1.9 yrsFeb 25, 20264.3 yrs
Aug 31, 2000Nov 19, 2008−85.1%8.2 yrsAug 31, 201818.0 yrs
Sep 11, 1995Jul 24, 1996−81.2%10 moMay 19, 19971.7 yrs
Oct 9, 1997Jul 8, 1998−70.6%9 moDec 31, 199815 mo
Sep 18, 2018Mar 16, 2020−55.0%18 moAug 10, 20201.9 yrs
Jun 22, 2026Jul 29, 2026−40.7%37 daysSep 17, 20263 mo
Feb 24, 2000May 23, 2000−40.7%3 moJun 16, 20004 mo

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 1980: how far Semtech Corporation stood below its all-time high, and the total return over the following 1, 5 and 10 years.

1950–19992000–today

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 Semtech Corporation from its all-time high?
Semtech Corporation is currently 3.6% below its all-time high, set Sep 18, 2026 (as of market close, Sep 30, 2026). Prices only, the convention headlines use; with dividends reinvested the gap is usually smaller.
What was the biggest Semtech Corporation drawdown ever?
The deepest decline on record in our data (since 1980) took Semtech Corporation 91.2% below its prior high, bottoming Jan 7, 1991. The table on this page lists every major episode with its peak, trough and recovery date.

Methodology & related#

Daily data since -1 from SMTC; no free deep history exists for Semtech Corporation — 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.

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