Decline depth
-28.1%
From rolling 252-day high of 618.87 CNY, 79d ago.
Past the 20% Watch threshold.
-28.1%
from rolling 252-day high of 618.87 CNY set 2026-07-01 · 79d ago
Current
445.00 CNY
Decline depth
-28.1%
Decline σ
1.6σ
TFC
0/5 bearish
Where it stands
On the Red List.
Held on the Red List: it last met the Red List rules on 2026-09-17. Today it reads Watch; a tier moves down only after five consecutive scans below its rules.
Snapshot . Price structure, not a judgment about the business.
What changed
Since the previous observation.
Tier and recovery signal are unchanged between these two observations.
Comparing with . This compares classification, not price returns.
See the recorded timeline →Why it is flagged
300502.SZ is held on the Red List.
Held on the Red List: it last met the Red List rules on 2026-09-17. Today it reads Watch; a tier moves down only after five consecutive scans below its rules.
Inspect the three classification measures
Time-frame continuity
0/5 bearish
Latest bar on five time frames, daily to yearly. Bearish = 2-Down or red 3.
Decline sigma
1.6σ
Drop over the last 5 bars in units of daily volatility (3.65%/day).
Price history
The price path behind the snapshot.
Daily prices with the rolling-high reference. When a recorded classification event falls on a displayed trading date, it is marked on the chart.
Price chart unavailable for this symbol. The snapshot and recorded classification history remain available below.
The recorded history
A timeline of observations.
First observed 2026-09-09. These are scan observations, not exact transition times or the start of a decline. Missing scan dates are not filled in.
- Unmatched; coverage or recovery unconfirmed → Red List
- Red List → Unmatched; coverage or recovery unconfirmed
- First observed: Red List
Absence from a captured list does not establish recovery. Historical tiers reflect the rules and data recorded at that time.
Technical interpretation and signal details
The structural read
What price action says about 300502.SZ.
300502.SZ is held on the Red List, which it last met on 2026-09-17. A tier moves down, or a name leaves the list, only after five consecutive scans below the tier's rules with a cushion of 3 points on depth and 1σ on sigma. Today's unbuffered reading: Watch.
Questions about 300502.SZ
What people ask.
Why is 300502.SZ on Broken Stocks?
300502.SZ is held on the Red List. Held on the Red List: it last met the Red List rules on 2026-09-17. Today it reads Watch; a tier moves down only after five consecutive scans below its rules.
Is 300502.SZ a falling knife?
No. The falling-knife label usually implies a steep, severe drop — typically 30% or more from a fresh high. 300502.SZ is down -28.1% 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 300502.SZ 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 300502.SZ trading inside its 52-week range?
At 445.00 CNY, 300502.SZ sits 58.0% of the way from its 52-week low (205.22 CNY) to its 52-week high (618.87 CNY). A reading below 25% indicates price is hugging the bottom of the range; above 75%, the top.
How fast has 300502.SZ been declining?
The current 28.1% decline accrued over 79d, which annualizes to roughly -129.8% 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 300502.SZ compare to its sector?
There are 568 other Technology tickers on Broken Stocks: 385 Red, 100 Amber, 83 Watch, with 300 showing recovering structural signals. Median sector decline is -39.8% — 300502.SZ's decline is shallower than the sector median.