Question 1

What is 439.HK stock?

Accepted Answer

光啟科學 (439.HK) is a publicly traded company listed on HKEX. The company sits in the Electronic Technology sector, focused on the Aerospace & Defense industry. You can follow its live price, technical indicators (RSI, MACD, Bollinger Bands), and 52-week range on AlertaChart.

Question 2

How can I follow 439.HK on AlertaChart?

Accepted Answer

Open this page or search for 439.HK from the top search bar on any AlertaChart page. The live 光啟科學 chart loads automatically with real-time data from HKEX. You can switch timeframes (1m, 5m, 15m, 1h, 4h, 1d), apply indicators, draw trend lines and Fibonacci retracements, and set custom price alerts.

Question 3

Which sector does 439.HK belong to?

Accepted Answer

光啟科學 operates in the Electronic Technology sector and specifically within Aerospace & Defense. Knowing the sector helps compare 439.HK against peers and broader sector indices on AlertaChart.

Question 4

Which exchange is 439.HK listed on?

Accepted Answer

光啟科學 trades on HKEX (HKEX). AlertaChart streams the live quote and historical candles from this exchange while the market is open. The trading currency for this listing is HKD.

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