Watch
ATMU
Atmus Filtration Technologies I
Consumer Cyclical · Auto Parts · mid-cap ($4.2B)
-22.4%
from rolling 252-day high of $66.50 set 2026-02-25 · 80d ago
Current
$51.64
Decline depth
-22.4%
Decline σ
4.3σ
TFC
1/5 bearish
Rolling 252-day high Up day Down day Last 90 trading days · data from Alpaca

Structural break signals

ATMU qualifies for the Watch on decline depth.

Decline depth
-22.4%
From rolling 252-day high of $66.50, 80d ago. Past the 20% Watch threshold.
Time-frame continuity
1/5 bearish
Latest bar across daily/weekly/monthly/quarterly/yearly time frames. A bar counts as bearish when it's a 2-Down or a red 3.
Decline sigma
4.3σ
Drop from local high over the last 20 bars, expressed in units of the stock's typical daily volatility (4.62% per day). Past the ≥4σ Watch threshold.

The structural read

What price action says about ATMU.

ATMU qualifies for the Watch on decline depth — down -22.4% from its rolling 252-day high.

Cross-confirmation: decline sigma also reads 4.3σ over 20 bars.

Earnings on file: 2026-05-01. Tiering is unaffected by earnings dates — listings reflect price structure only.

52-week range

52W low $34.58 53.5% of range 52W high $66.50

Sector context · Consumer Cyclical

171 other Consumer Cyclical tickers are on Broken Stocks.

107 Red List
36 Amber
28 Watch
-34.9% Median decline

Worst in sector: FLUT (-70.5%). Least-bad: TILE (-20.0%). See all Consumer Cyclical listings →

Questions about ATMU

What people ask.

Why is ATMU on Broken Stocks?

ATMU qualifies for the Watch on decline depth. It is down -22.4% from its rolling 252-day high of $66.50, set on 2026-02-25 — 80d ago.

Is ATMU a falling knife?

No. The falling-knife label usually implies a steep, severe drop — typically 30% or more from a fresh high. ATMU is down -22.4% from its 52-week high, which qualifies for the Watch tier but is shallower than the falling-knife pattern. It's an early-stage decline rather than a sharp breakdown.

Is ATMU a buy?

Broken Stocks does not issue buy or sell recommendations. The list is a rules-based technical warning system. It tracks structural decline depth and recency — not company quality, management, fundamentals, or news. Always do your own research and consult a licensed advisor.

Where is ATMU trading inside its 52-week range?

At $51.64, ATMU sits 53.5% of the way from its 52-week low ($34.58) to its 52-week high ($66.50). A reading below 25% indicates price is hugging the bottom of the range; above 75%, the top.

How fast has ATMU been declining?

The current 22.4% decline accrued over 80d, which annualizes to roughly -102.2% per year. Annualized pace is a sanity check — a 30% decline in three months is a different signal than a 30% decline over two years.

How does ATMU compare to its sector?

There are 171 other Consumer Cyclical tickers on Broken Stocks: 107 Red, 36 Amber, 28 Watch, with 16 showing recovering structural signals. Median sector decline is -34.9% — ATMU's decline is shallower than the sector median.

Does ATMU's earnings date affect its tier?

No. Tiering is decided purely by decline depth and recency of the rolling-high date. The earnings date on file (2026-05-01) is shown for reference only — listings can move tier between scans based on closing prices, regardless of fundamentals or news events.