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ALSN
$109.66-0.99%
as of close, Oct 20, 2026
☾ AH $109.66 -0.99%
Allison Transmission Holdings Inc.Stock · Consumer DiscretionaryRussell 1000 · 0.01% of IWBRussell 3000 · 0.01% of IWVUS Stock Market · 0.01% of VTI
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Allison Transmission Holdings Inc. drawdown: 19.4% below the all-time high (price)

Allison Transmission Holdings Inc. is 19.4% below its all-time high, set Apr 23, 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
−19.4%
80.6% of ATH
All-time high
$136
Apr 23, 2026
Time below the high
6 mo
since Apr 23, 2026
Worst-ever drawdown
−49.7%
Mar 23, 2020
Longest underwater
4.7 yrs
between all-time highs
Today's level first reached
Nov 6, 2024
2.0 yrs ago
Last time this deep
Dec 9, 2025
in a previous episode

% of all-time high since 2012: 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.

Basis
Range
All-time high = 100%50%60%70%80%90%
ALSN close · log20.0050.00100
2014201620182020202220242026

The deepest drawdowns on record#

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

PeakTroughDepthPeak → troughRecovered byUnderwater
Sep 21, 2018Mar 23, 2020−49.7%18 moJun 12, 20234.7 yrs
Nov 25, 2014Feb 11, 2016−37.2%15 moDec 7, 20162.0 yrs
Apr 3, 2012Jul 12, 2012−35.2%3 moSep 18, 201318 mo
Jan 23, 2025Nov 17, 2025−34.1%10 moFeb 24, 202613 mo
Apr 23, 2026May 19, 2026−20.6%26 daysnot yet6 mo+
Jan 26, 2018Mar 23, 2018−17.4%56 daysJul 31, 20186 mo
Sep 1, 2023Oct 31, 2023−17.3%2 moJan 30, 20245 mo
Jul 23, 2014Oct 13, 2014−17.2%3 moOct 30, 20143 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 2012: how far Allison Transmission Holdings Inc. 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 Allison Transmission Holdings Inc. from its all-time high?
Allison Transmission Holdings Inc. is currently 19.4% below its all-time high, set Apr 23, 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 Allison Transmission Holdings Inc. drawdown ever?
The deepest decline on record in our data (since 2012) took Allison Transmission Holdings Inc. 49.7% below its prior high, bottoming Mar 23, 2020. The table on this page lists every major episode with its peak, trough and recovery date.

Methodology & related#

Daily data since -1 from ALSN; no free deep history exists for Allison Transmission Holdings 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.

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