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TLN
Talen Energy CorporationStock · Utilities
$358.75−$6.32 (-1.73%)as of market close, Aug 13, 2026
☾ After hours:$358.40+0.00%3:59 PM ET
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TLN drawdown: 19.5% below the all-time high

Talen Energy Corporation (TLN) is 19.5% below its all-time high, set Oct 8, 2025 (as of market close, Aug 13, 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 (2024).

Below all-time high
−19.5%
80.5% of ATH
All-time high
$445.8
Oct 8, 2025
Time below the high
10 mo
since Oct 8, 2025
Worst-ever drawdown
−33.8%
Mar 10, 2025
Longest underwater
10 mo
between all-time highs
Today's level first reached
Jul 28, 2025
13 mo ago
Last time this deep
Apr 22, 2025
in a previous episode

% of all-time high since 2024#

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%70%80%90%
TLN close · log scale200.0
20252026

% of all-time high on the price basis — the all-time high considers the full history of TLN, 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
Feb 18, 2025Mar 10, 202533.8%20 daysJun 3, 20253 mo
Oct 8, 2025Mar 20, 202632.0%5 monot yet10 mo+
Jan 22, 2025Jan 27, 202523.1%5 daysFeb 18, 202527 days
Jul 16, 2024Jul 25, 202418.7%9 daysAug 15, 202430 days
Oct 4, 2024Oct 11, 202416.4%7 daysNov 6, 202433 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 TLN stood below its all-time high, and the total return over the following 1, 5 and 10 years.

1950–19992000–today
+0.0%+50.0%+100.0%+150.0%+200.0%100%80%% of all-time high at the start month (ATH on the left)today (−19.5%)

Read this with survivorship bias in mind: TLN 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 TLN from its all-time high?
TLN is currently 19.5% below its all-time high, set Oct 8, 2025 (as of market close, Aug 13, 2026). Prices only, the convention headlines use; with dividends reinvested the gap is usually smaller.
What was the biggest TLN drawdown ever?
The deepest decline on record in our data (since 2024) took the stock 33.8% below its prior high, bottoming Mar 10, 2025. The table on this page lists every major episode with its peak, trough and recovery date.

Methodology & related#

Daily closing prices since 2024 (split-adjusted). "All-time" means since our price data begins — TLN 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.