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TER
Teradyne Inc.Stock · IndustrialsS&P 500 0.1%
$373.75+$4.29 (+1.16%)as of market close, Jul 23, 2026
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TER drawdown: 21.8% below the all-time high

Teradyne Inc. (TER) is 21.8% below its all-time high, set Jun 30, 2026 (as of market close, Jul 23, 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. "All-time" means since our price data begins (1973).

Below all-time high
−21.8%
78.2% of ATH
All-time high
$478.2
Jun 30, 2026
Time below the high
23 days
since Jun 30, 2026
Worst-ever drawdown
−97.3%
Nov 20, 2008
Longest underwater
20.6 yrs
between all-time highs
Today's level first reached
Apr 17, 2026
3 mo ago
Last time this deep
May 19, 2026
in a previous episode

% of all-time high since 1973#

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
Range
All-time high = 100%20%40%60%80%
TER close · log scale0.502.0010.0050.00200.0
19801990200020102020

% of all-time high on the price basis — the all-time high considers the full history of TER, including years before the visible window. Dividends are excluded on this basis (the convention headlines use).

The deepest drawdowns on record#

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

PeakTroughDepthPeak → troughRecovered byUnderwater
Apr 28, 2000Nov 20, 200897.3%8.6 yrsNov 30, 202020.6 yrs
Oct 5, 1987Oct 15, 199089.2%3.0 yrsJan 17, 19957.3 yrs
Oct 10, 1997Oct 8, 199873.4%12 moJan 20, 199915 mo
Aug 17, 1995Jul 23, 199672.3%11 moMay 23, 19971.8 yrs
Jun 3, 1974Nov 25, 197464.8%6 moMar 11, 198712.8 yrs
Dec 27, 2021Apr 8, 202559.7%3.3 yrsOct 29, 20253.8 yrs
Jun 30, 2026Jul 16, 202632.6%16 daysnot yet23 days+
Feb 21, 1973Apr 2, 197331.6%40 daysJun 3, 197415 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 1973: how far TER stood below its all-time high, and the total return over the following 1, 5 and 10 years.

1950–19992000–today
-20.0%+0.0%+20.0%+40.0%+60.0%100%80%60%40%20%0%% of all-time high at the start month (ATH on the left)today (−21.8%)

Read this with survivorship bias in mind: TER is on this chart precisely because it survived — the many stocks that fell this far and never recovered (or were delisted) aren't on anyone's chart, 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 TER from its all-time high?
TER is currently 21.8% below its all-time high, set Jun 30, 2026 (as of market close, Jul 23, 2026). Prices only, the convention headlines use; with dividends reinvested the gap is usually smaller.
What was the biggest TER drawdown ever?
The deepest decline on record in our data (since 1973) took the stock 97.3% below its prior high, bottoming Nov 20, 2008. The table on this page lists every major episode with its peak, trough and recovery date.

Methodology & related#

Daily closing prices since 1973 (split-adjusted). "All-time" means since our price data begins — TER may have traded earlier. For a 150-year index 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, 150 years of returns and the rolling-returns explorer. Past performance does not predict future returns; not investment advice.