King Yuan Electronics Co., Ltd. (KYEC) is a Taiwanese semiconductor testing service company whose registered address is in Hsinchu City.
Last price · Nov 10, 2026, 05:30 (UTC)
1Y change
Since the Nov 11, 2025 close
2449.TW · 1Y · TWD · 242 observations (daily) (details)
Nov 11, 2025 — Nov 10, 2026. First close: NT$202.86. Latest price: NT$227.50.
Show last 20 observations in a table
| Date | Price (TWD) |
|---|---|
| Oct 13, 2026 | NT$305.00 |
| Oct 14, 2026 | NT$296.50 |
| Oct 15, 2026 | NT$272.00 |
| Oct 16, 2026 | NT$275.00 |
| Oct 19, 2026 | NT$263.50 |
| Oct 20, 2026 | NT$259.50 |
| Oct 21, 2026 | NT$278.00 |
| Oct 22, 2026 | NT$262.50 |
| Oct 23, 2026 | NT$262.50 |
| Oct 27, 2026 | NT$269.00 |
| Oct 28, 2026 | NT$277.50 |
| Oct 29, 2026 | NT$269.50 |
| Oct 30, 2026 | NT$253.50 |
| Nov 2, 2026 | NT$263.00 |
| Nov 3, 2026 | NT$253.50 |
| Nov 4, 2026 | NT$248.50 |
| Nov 5, 2026 | NT$228.50 |
| Nov 6, 2026 | NT$206.00 |
| Nov 9, 2026 | NT$209.50 |
| Nov 10, 2026 | NT$227.50 |
Key statistics
From observed daily candles · based on settled daily closes
- 52-week range
- NT$187.14 – NT$350.00
Low Nov 19, 2025 · High Jul 6, 2026
- 1Y change
- +12.15%
Since the Nov 11, 2025 close
- Last close
- NT$227.50
Nov 10, 2026 · +8.59%
- Previous close
- NT$209.50
Nov 9, 2026
- Day range
- NT$217.00 – NT$230.00
Nov 10, 2026
Product information
What is King Yuan Electronics Co., Ltd. (2449.TW)?
King Yuan Electronics Co., Ltd. (KYEC) is a Taiwanese semiconductor testing service company whose registered address is in Hsinchu City. According to the Taiwan Stock Exchange's listed-company data, it was established in May 1987 and has been listed since May 2001, under the stock code 2449.
The company's Chinese-language profile page lists the products it tests as system-on-chip devices, logic and mixed-signal circuits, image sensors, display drivers, radio frequency and wireless chips, and microelectromechanical systems. The page also describes burn-in testing, in which chips are aged for long periods under high temperature and voltage, and names fabless design companies, integrated device manufacturers and foundries as its customers.
Those following King Yuan usually watch demand for semiconductor testing, developments in AI and automotive chips, investment in test equipment and the Taiwan dollar and US dollar exchange rate. On the Lzzo.com King Yuan Electronics page, the price of the shares in Taiwan appears with its observation time, together with a price history chart and technical indicators.
Sources: kyec.com.tw, openapi.twse.com.tw
Author: Lzzo Editor · Prepared with AI assistance and reviewed by the Lzzo.com editorial team · Editorial policy
- Name
- King Yuan Electronics Co., Ltd.
- Symbol
- 2449.TW
- Market
- Stocks
Not investment advice · Data and calculation methods
Technical indicators
Data-based commentary (AI)
Not investment advice. Analysis unit: TWD.
Investment Return CalculatorWith observed closes over the past year
Observed closes in the selected currency; excludes dividends and fees. Based on settled daily closes.
Nov 11, 2025 → Nov 10, 2026
NT$1,121.48
NT$1,000.00 held from the Nov 11, 2025 close to the Nov 10, 2026 close would have been worth NT$1,121.48 (+12.15%).