Formosa Petrochemical Corporation is a Taiwanese energy company whose registered address is in Neihu District, Taipei.
Last price · Nov 10, 2026, 05:30 (UTC)
1Y change
Since the Nov 11, 2025 close
6505.TW · 1Y · TWD · 242 observations (daily) (details)
Nov 11, 2025 — Nov 10, 2026. First close: NT$52.50. Latest price: NT$89.60.
Show last 20 observations in a table
| Date | Price (TWD) |
|---|---|
| Oct 13, 2026 | NT$119.00 |
| Oct 14, 2026 | NT$119.50 |
| Oct 15, 2026 | NT$111.50 |
| Oct 16, 2026 | NT$122.50 |
| Oct 19, 2026 | NT$116.00 |
| Oct 20, 2026 | NT$106.50 |
| Oct 21, 2026 | NT$109.50 |
| Oct 22, 2026 | NT$106.50 |
| Oct 23, 2026 | NT$106.50 |
| Oct 27, 2026 | NT$106.00 |
| Oct 28, 2026 | NT$103.00 |
| Oct 29, 2026 | NT$98.60 |
| Oct 30, 2026 | NT$98.30 |
| Nov 2, 2026 | NT$103.00 |
| Nov 3, 2026 | NT$94.90 |
| Nov 4, 2026 | NT$97.60 |
| Nov 5, 2026 | NT$87.90 |
| Nov 6, 2026 | NT$85.70 |
| Nov 9, 2026 | NT$88.40 |
| Nov 10, 2026 | NT$89.60 |
Key statistics
From observed daily candles · based on settled daily closes
- 52-week range
- NT$45.75 – NT$129.00
Low Jan 21, 2026 · High Oct 14, 2026
- 1Y change
- +70.67%
Since the Nov 11, 2025 close
- Last close
- NT$89.60
Nov 10, 2026 · +1.36%
- Previous close
- NT$88.40
Nov 9, 2026
- Day range
- NT$88.40 – NT$92.00
Nov 10, 2026
Product information
What is Formosa Petrochemical Corporation (6505.TW)?
Formosa Petrochemical Corporation is a Taiwanese energy company whose registered address is in Neihu District, Taipei. According to the Taiwan Stock Exchange's listed-company data, it was established in April 1992 and has been listed since December 2003, under the stock code 6505.
The exchange classifies the company in the oil, electricity and gas sector. This page rests only on the identity details in the exchange entrys; a verified company description of its businesses and products has not been added yet.
Those following Formosa Petrochemical usually watch crude oil prices, refining margins, petrochemical demand, the company's own announcements and the Taiwan dollar and US dollar exchange rate. On the Lzzo.com Formosa Petrochemical page, the price of the shares in Taiwan appears with its observation time, together with a price history chart and technical indicators.
Sources: openapi.twse.com.tw
Author: Lzzo Editor · Prepared with AI assistance and reviewed by the Lzzo.com editorial team · Editorial policy
- Name
- Formosa Petrochemical Corporation
- Symbol
- 6505.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$1,706.67
NT$1,000.00 held from the Nov 11, 2025 close to the Nov 10, 2026 close would have been worth NT$1,706.67 (+70.67%).