Red List

CALXCalix, Inc

Technology · Software - Infrastructure · mid-cap ($2.5B)
-43.8%
from rolling 252-day high of $71.22 set 2025-10-31 · 209d ago
Current
$40.03
Decline depth
-43.8%
Decline σ
5.3σ
TFC
1/5 bearish
Rolling 252-day high Up day Down day Last 90 trading days · data from Alpaca

Since tracking began

$CALX has been tracked since 2026-03-01. It was down 25.4% from its 52-week high then — now down -43.8%.

That's 20.7 percentage points deeper than the day it joined.

Decline from the 52-week high as it stood on 2026-03-02 (fixed anchor) → today. Split-adjusted, Alpaca. Observed history, not a forecast.

Structural break signals

CALX qualifies for the Red List on decline depth.

Decline depth
-43.8%
From rolling 252-day high of $71.22, 209d ago. Past the 40% Red List 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
5.3σ
Drop from local high over the last 20 bars, expressed in units of the stock's typical daily volatility (2.5% per day). Past the ≥4σ Watch threshold.

The structural read

What price action says about CALX.

CALX qualifies for the Red List on decline depth — down -43.8% from its rolling 252-day high. Past the 40% threshold, the deepest tier in the taxonomy.

Cross-confirmation: decline sigma also reads 5.3σ over 20 bars.

Upstream TFC read: weak alignment, current phase daily. Last bar types — daily 1 (red), weekly 2U (green), monthly 2D (red).

Earnings on file: 2026-04-21. Tiering is unaffected by earnings dates — listings reflect price structure only.

52-week range

52W low $39.32 2.2% of range 52W high $71.22

Sector context · Technology

179 other Technology tickers are on Broken Stocks.

113 Red List
45 Amber
21 Watch
-42.1% Median decline

Worst in sector: DUOL (-79.9%). Least-bad: SONO (-20.0%). See all Technology listings →

Questions about CALX

What people ask.

Why is CALX on Broken Stocks?

CALX qualifies for the Red List on decline depth. It is down -43.8% from its rolling 252-day high of $71.22, set on 2025-10-31 — 209d ago.

Is CALX a falling knife?

Not by the strict technical definition. CALX is down -43.8% from its 52-week high, but that high was set 209d ago — more than 120 days. A falling knife is usually a recent breakdown from a fresh high, not an established multi-quarter downtrend. CALX is still on the Red List for decline depth, but the freshness component of a falling knife is missing.

Is CALX 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 CALX trading inside its 52-week range?

At $40.03, CALX sits 2.2% of the way from its 52-week low ($39.32) to its 52-week high ($71.22). A reading below 25% indicates price is hugging the bottom of the range; above 75%, the top.

How fast has CALX been declining?

The current 43.8% decline accrued over 209d, which annualizes to roughly -76.5% 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 CALX compare to its sector?

There are 179 other Technology tickers on Broken Stocks: 113 Red, 45 Amber, 21 Watch, with 115 showing recovering structural signals. Median sector decline is -42.1% — CALX's decline is deeper than the sector median.

Does CALX'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 (2026-04-21) is shown for reference only — listings can move tier between scans based on closing prices, regardless of fundamentals or news events.