Red List

UCTTUltra Clean Holdings, Inc.

Technology · Semiconductor Equipment & Materials · mid-cap ($2.7B)
-49.4%
from rolling 252-day high of $144.22 set 2026-06-30 · 51d ago
Current
$73.01
Decline depth
-49.4%
Decline σ
3.7σ
TFC
0/5 bearish
Rolling 252-day high Up day Down day Last 90 trading days · data from Alpaca

Since it joined the list

$UCTT landed on the list 2026-03-28, down 24.3% from its 52-week high that day — now down -49.4%.

It has clawed back 27.9 percentage points off that level. It bottomed 24.3% below that high along the way.

Decline from the 52-week high as it stood on 2026-03-30 (fixed anchor) → today. Split-adjusted, Alpaca. Observed history, not a forecast.

Structural break signals

UCTT qualifies for the Red List on decline depth.

Decline depth
-49.4%
From rolling 252-day high of $144.22, 51d ago. Past the 40% Red List threshold.
Time-frame continuity
0/5 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
3.7σ
Drop from local high over the last 20 bars, expressed in units of the stock's typical daily volatility (7.65% per day).

The structural read

What price action says about UCTT.

UCTT qualifies for the Red List on decline depth — down -49.4% from its rolling 252-day high. Past the 40% threshold, the deepest tier in the taxonomy. Depth plus recency: this is the pattern many investors call a falling knife.

Earnings on file: 2026-02-23. Tiering is unaffected by earnings dates — listings reflect price structure only.

Questions about UCTT

What people ask.

Why is UCTT on Broken Stocks?

UCTT qualifies for the Red List on decline depth. It is down -49.4% from its rolling 252-day high of $144.22, set on 2026-06-30 — 51d ago.

Is UCTT a falling knife?

By the most common technical definition — a steep, recent breakdown from a fresh high — yes. UCTT is down -49.4% from its 52-week high of $144.22, set 51d ago. That combination of depth (past the 30% Amber threshold) and recency (high set inside the last 120 days) is the textbook falling-knife pattern. Whether to try to catch it is a separate question — historically most attempts to bottom-pick continue lower before reversing. Broken Stocks flags the pattern; it does not recommend buying or selling.

Is UCTT 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 UCTT trading inside its 52-week range?

At $73.01, UCTT sits 98.6% of the way from its 52-week low ($16.66) to its 52-week high ($73.80). A reading below 25% indicates price is hugging the bottom of the range; above 75%, the top.

How fast has UCTT been declining?

The current 49.4% decline accrued over 51d, which annualizes to roughly -353.5% 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 UCTT compare to its sector?

There are 239 other Technology tickers on Broken Stocks: 147 Red, 50 Amber, 42 Watch, with 65 showing recovering structural signals. Median sector decline is -36.7% — UCTT's decline is deeper than the sector median.

Does UCTT'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 (2026-02-23) is shown for reference only — listings can move tier between scans based on closing prices, regardless of fundamentals or news events.