TacBright Optronics (6434) Stock Overview
Engages in the research, development, manufacturing, and sales of triacetate cellulose (TAC) films. More details
| Snowflake Score | |
|---|---|
| Valuation | 0/6 |
| Future Growth | 0/6 |
| Past Performance | 0/6 |
| Financial Health | 5/6 |
| Dividends | 0/6 |
6434 Community Fair Values
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TacBright Optronics Corporation Competitors
Price History & Performance
| Historical stock prices | |
|---|---|
| Current Share Price | NT$20.45 |
| 52 Week High | NT$38.45 |
| 52 Week Low | NT$2.20 |
| Beta | 3.49 |
| 1 Month Change | -33.39% |
| 3 Month Change | 294.79% |
| 1 Year Change | 724.60% |
| 3 Year Change | 237.46% |
| 5 Year Change | 186.01% |
| Change since IPO | 36.42% |
Recent News & Updates
Recent updates
Shareholder Returns
| 6434 | TW Chemicals | TW Market | |
|---|---|---|---|
| 7D | -6.2% | -6.2% | -4.3% |
| 1Y | 724.6% | 61.0% | 86.1% |
Return vs Industry: 6434 exceeded the TW Chemicals industry which returned 61% over the past year.
Return vs Market: 6434 exceeded the TW Market which returned 86.1% over the past year.
Price Volatility
| 6434 volatility | |
|---|---|
| 6434 Average Weekly Movement | 31.5% |
| Chemicals Industry Average Movement | 7.1% |
| Market Average Movement | 6.2% |
| 10% most volatile stocks in TW Market | 12.3% |
| 10% least volatile stocks in TW Market | 2.5% |
Stable Share Price: 6434's share price has been volatile over the past 3 months compared to the TW market.
Volatility Over Time: 6434's weekly volatility has increased from 22% to 32% over the past year.
About the Company
| Founded | Employees | CEO | Website |
|---|---|---|---|
| 1995 | n/a | n/a | www.tacbright.com |
TacBright Optronics Corporation engages in the research, development, manufacturing, and sales of triacetate cellulose (TAC) films. Its products are used for protective film in liquid crystal displays (LCDs), as well as for sunglasses, photographic equipment filters, anti-glare goggles, car navigation, other polarizing microscopes, and special medical glasses. The company serves LCD polarizer manufacturers in Taiwan, South Korea, Japan, and Mainland China.
TacBright Optronics Corporation Fundamentals Summary
| 6434 fundamental statistics | |
|---|---|
| Market cap | NT$9.48b |
| Earnings (TTM) | -NT$115.45m |
| Revenue (TTM) | NT$1.21b |
Is 6434 overvalued?
See Fair Value and valuation analysisEarnings & Revenue
| 6434 income statement (TTM) | |
|---|---|
| Revenue | NT$1.21b |
| Cost of Revenue | NT$1.20b |
| Gross Profit | NT$17.96m |
| Other Expenses | NT$133.42m |
| Earnings | -NT$115.45m |
Last Reported Earnings
Dec 31, 2025
Next Earnings Date
n/a
| Earnings per share (EPS) | -0.25 |
| Gross Margin | 1.48% |
| Net Profit Margin | -9.52% |
| Debt/Equity Ratio | 38.6% |
How did 6434 perform over the long term?
See historical performance and comparisonCompany Analysis and Financial Data Status
| Data | Last Updated (UTC time) |
|---|---|
| Company Analysis | 2026/05/20 17:25 |
| End of Day Share Price | 2026/05/20 00:00 |
| Earnings | 2025/12/31 |
| Annual Earnings | 2025/12/31 |
Data Sources
The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.
| Package | Data | Timeframe | Example US Source * |
|---|---|---|---|
| Company Financials | 10 years |
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| Analyst Consensus Estimates | +3 years |
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| Market Prices | 30 years |
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| Ownership | 10 years |
| |
| Management | 10 years |
| |
| Key Developments | 10 years |
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* Example for US securities, for non-US equivalent regulatory forms and sources are used.
Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.
Analysis Model and Snowflake
Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.
Learn about the world class team who designed and built the Simply Wall St analysis model.
Industry and Sector Metrics
Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.
Analyst Sources
TacBright Optronics Corporation is covered by 0 analysts. 0 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.