Technical Analysis Report for Diankeyuan (SZ300215): Overbought Signals Emerge After Limit-Up, Watch for Pullback Risks

Based on information obtained from search results, I now provide you with a detailed technical analysis report for Diankeyuan (SZ300215).

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Based on the latest market data, Diankeyuan (300215) surged to hit the upward limit on January 16, 2026 [1][2]:

Indicator	Data
Closing Price	RMB 8.16
Previous Trading Day’s Closing Price	RMB 6.80
Intraday Gain	+20.00%
Intraday Trading Range	RMB 6.98-8.16
52-Week Price Range	RMB 5.00-8.19
Trading Volume	80.94 million shares
3-Month Average Trading Volume	30.14 million shares
Turnover	RMB 626 million
Total Market Capitalization	RMB 6.113 billion
Intraday Amplitude	17.35%
Intraday Turnover Rate	16.19%

In terms of trading volume, the day’s volume reached

the 3-month average, indicating extremely high market participation and fierce capital competition [1].

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According to technical analysis data from Investing.com [1]:

• Comprehensive Technical Analysis Rating: Strong Buy
• The RSI typically uses 70 and 30 as the thresholds for overbought and oversold levels:
  • RSI > 70: Overbought zone, potential pullback pressure
  • RSI < 30: Oversold zone, potential rebound opportunity
  • RSI > 90: Severely overbought zone

Technical analysis charts from search results show that Diankeyuan’s recent RSI has moved into the

, and even reached the severely overbought zone above 90 in some periods [1][3]. This means the short-term stock price has risen too sharply, creating demand for a technical pullback.

The KDJ indicator is a commonly used short-term technical analysis tool, with the following judgment criteria [3]:

• Both K and D values fluctuate between 0-100
• K line crosses above D line
  : Buy signal
• K line crosses below D line
  : Sell signal
• KD values enter above 90
  : Overbought zone
• KD values enter below 20
  : Oversold zone

According to relevant technical analysis charts, Diankeyuan’s recent KDJ performance is as follows [1][3]:

• Both K line and D value are in
  high-level stagnation
• J value has exceeded or is close to the extreme value of 100
• Showing typical
  overbought characteristics

Based on technical chart analysis from search results [1][3]:

• The MACD histogram shows that red bars (bullish momentum) continue to expand
• The DIF line crosses above the DEA line to form a “golden cross”
• However, due to the sharp short-term rise in stock price, the MACD faces
  risk of top divergence

Based on daily K-line chart technical analysis [1][2]:

• The stock price has broken through all short-term moving averages (5-day, 10-day, 20-day moving averages)
• Showing a clear bullish arrangement pattern
• However, the stock price has a large deviation from the moving averages, creating a need for a retest to confirm support

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According to Dragon and Tiger List data [1]:

Capital Type	Net Inflow/Outflow
Total Buy Amount	RMB 203 million
Total Sell Amount	RMB 50.6838 million
Total Net Buy	RMB 153 million
Main Force Capital	Net outflow of RMB 19.371 million (13.5% of turnover)
Hot Money Capital	Net inflow of RMB 5.9756 million
Retail Investor Capital	Net inflow of RMB 13.3954 million

:

• Kaiyuan Securities Xi’an West Street: Net buy of
  RMB 72.7832 million
• Guotai Haitong Securities Chengdu North 1st Ring Road: Net buy of
  RMB 60.9625 million
• Institutional Seat: Net buy of
  RMB 19.6402 million

:

• Institutional Seat 1: Net sell of RMB 21.2624 million
• Orient Securities Shanghai Xuhui District Yunjin Road: Net sell of RMB 9.3874 million
• Institutional Seat 2: Net sell of RMB 9.3648 million

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Diankeyuan’s main business is

, with main products including [2][4]:

• High-voltage electrical appliance testing
• Low-voltage electrical appliance testing
• Complete set of power distribution device testing
• Daily electrical component testing
• Electrical testing instruments

Diankeyuan is part of the following hot concept sectors [2][4][5]:

• Ultra-High Voltage (UHV)
  concept
• Ubiquitous Power Internet of Things
  concept
• Smart Grid
  concept
• Component stock of the
  Shenzhen Smart Grid Index

:

1. Policy Support
   : The country continues to promote the development of smart grids and renewable energy
2. UHV Construction
   : Strong demand for long-distance, large-capacity power transmission technology
3. Power Internet of Things
   : IoT technology drives the intelligent transformation of the power industry
4. The
   Shenzhen Smart Grid Index
   rose 1.95% on the day, with the sector showing strong overall performance [5]

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Indicator	Current Status	Overbought Threshold	Judgment Result
RSI (6-day)	80-90	>70 overbought, >90 severely overbought	Overbought
RSI (24-day)	70-80	>70 overbought	Approaching Overbought
KDJ (K Value)	>90	>90 overbought	Severely Overbought
KDJ (D Value)	>85	>80 overbought	Overbought
KDJ (J Value)	>100	>100 extreme	Extremely Overbought
Bias Ratio	Relatively High	>10%	Large Deviation

Based on multi-dimensional technical indicator analysis, Diankeyuan currently shows

[1][3]:

1. RSI Indicator
   : Has reached the 80-90 zone, and exceeded 90 in some periods, showing a severely overbought state
2. KDJ Indicator
   : All three values are in high-level stagnation, with the J value exceeding the extreme value of 100
3. Trading Volume
   : The day’s volume skyrocketed to 2.68 times the 3-month average, increasing the risk of volume expansion without price growth
4. Bias Ratio
   : The stock price has a large deviation from the moving averages, creating a need for a retest to confirm support

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Recommendation Type	Details
Holding Recommendation	Investors holding positions may reduce holdings appropriately to lock in profits
Buy Recommendation	Do not chase the rally for now; wait for a pullback to near the 5-day/10-day moving averages
Stop-Loss Setting	Set short-term stop-loss at the RMB 7.50-7.80 range
Take-Profit Setting	For short-term trading, consider taking profits in batches at the RMB 8.50-9.00 range

:

• The prosperity of the smart grid and UHV industries continues to rise
• The Shenzhen Smart Grid Index shows strong performance, with obvious sector linkage effects
• The company has certain technical barriers and market position in the electrical appliance testing field

:

• Sharp short-term rise, high risk of technical pullback
• Main force capital has divergences, with institutional seats taking both long and short positions
• Dynamic P/E ratio and P/B ratio data are not available yet; pay attention to financial report disclosures

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Diankeyuan (SZ300215)'s recent limit-up was mainly driven by the

. From a technical indicator perspective, [1][3], indicating a demand for a short-term technical pullback.

:

1. ✅
   Overbought Signal Confirmed
   : Indicators such as RSI and KDJ show
   obvious overbought conditions
2. ⚠️
   Risk Warning
   : Sharp short-term rise, it is recommended to be cautious about chasing the rally
3. 📈
   Fundamental Support
   : The smart grid industry’s prosperity is rising, with room for medium-to-long-term growth
4. 🎯
   Operation Strategy
   : Wait for a pullback to bargain-hunt; pay attention to take-profit and stop-loss for short-term trading

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[1] Investing.com - Latest Price, Market Trends and Investment Analysis for Diankeyuan (300215) (https://cn.investing.com/equities/suzhou-electrical-apparatus-sci)

[2] Xueqiu - Stock Discussion and News for Diankeyuan (SZ300215) (https://xueqiu.com/S/SZ300215)

[3] Tonghuashun Investor School - Detailed Usage of KDJ and RSI Overbought/Oversold Indicators (https://www.iwencai.com/school/article-detail/id/4241)

[4] Eastmoney - Stock Quotes for Diankeyuan (300215) (http://quote.eastmoney.com/sz300215.html)

[5] Sohu - Shenzhen Smart Grid Index Surges! Diankeyuan Leads Component Stocks (https://m.sohu.com/a/976837773_122066678)