Topco Scientific Co.,Ltd.
Topco Scientific Co.,Ltd. (TAI: 5434) is trading at NT$555.00, about ₹1,674 at today's TWD/INR rate, as of 30 Sep 2026, 1:30 AM ET, up 2.78% today. Topco Scientific is not currently available to trade on Paasa; this page shows its price, statistics and the Indian tax treatment for information.
Quote
Today's low
NT$547.00
Today's high
NT$565.00
52 week low
NT$286.00
52 week high
NT$602.00
5434 opened at NT$550.00, closed previously at NT$540.00, and has traded between NT$286.00 and NT$602.00 over the past 52 weeks.
About
Topco Scientific Co., Ltd., established in 1990 and headquartered in Taipei, Taiwan, operates as a key supplier to the global technology sector. The company specializes in delivering high-precision materials, advanced processing equipment, and essential components for the semiconductor and opto-electronic industries across Taiwan, China, and international markets. Its extensive product portfolio for semiconductors includes various wafer types and associated processing materials, wafer carriers, thin films, and photolithography chemicals. Additionally, it supplies a range of etching and furnace products, such as quartz glass items, diverse chemicals, and specialty gases, alongside CMP slurry products. Topco also furnishes materials and equipment crucial for semiconductor packaging and testing, as well as general semiconductor manufacturing machinery. Beyond semiconductors, Topco provides equipment and materials for LCD displays, photoelectric products for LED applications, and an array of solar energy materials. These solar-focused offerings encompass conductive pastes for solar cells, quartz crucibles, SiC powder, coolants, diamond wires, chemicals, and specialized gases. The company further supplies general electronic materials. In addition to its product lines, Topco is involved in a variety of service and project undertakings. These include water treatment systems, clean room and electromechanical installations, public construction works, and the development of solar power plants. It also extends its expertise to provide integrated circuit (IC) foundry services.
Key statistics
Avg. volume
1.19M
Market cap
NT$107.48B
P/E Ratio
20.64
Price-to-sales ratio
1.45
Enterprise value
NT$53.00B
Free cash flow yield
7.03%
Debt-to-equity ratio
0.19
Return on equity
20.90%
ROIC
13.46%
Beta
0.84
Dividend yield
2.42%
Last dividend
NT$13.42
Financial overview
Revenue
NT$67.58B
Earnings per share
NT$21.81
Free cash flow
NT$3.92B
Net profit margin
6.99%
Gross margin
12.98%
EBITDA
NT$4.94B
Revenue growth
18.58%
Similar securities
This is not an investment recommendation
Topco Scientific for Indian investors
Topco Scientific is listed on the Taiwan Stock Exchange. It is not currently available to trade on Paasa; the figures on this page are for information, and the tax notes below apply to Indian residents who hold it.
Taxes on Topco Scientific for Indian residents
Trading and limits
- Trading hours
- 9:00 am – 1:30 pm SGT
- LRS limit
- $250,000Per financial year, under the RBI's Liberalised Remittance Scheme.
Tax for Indian residents
- TCS on remittance
- 20%Collected by your bank on LRS remittances above ₹10 lakh in a financial year. The TCS is adjustable against your income-tax liability.Adjusting TCS against your tax
- Capital gains in India
- 12.5% or slab rateGains on shares held for more than 24 months are long-term and taxed at 12.5%. Gains on shares held for 24 months or less are short-term and taxed at your income-tax slab rate.Capital gains explained
- Dividends
- Slab rateDividends are taxed at your slab rate in India. Topco Scientific’s current yield is 2.42%.Dividend tax explained
FAQs
Can I buy Topco Scientific on Paasa?
Topco Scientific (5434) has been listed on the Taiwan Stock Exchange since 2000, in the Semiconductors industry. Topco Scientific is not currently available to trade on Paasa; the figures on this page are for information. Indian residents who hold it through another broker still declare it under the rules below.
How much does one Topco Scientific share cost in rupees?
One Topco Scientific share is NT$555.00 — about ₹1,674 at a TWD/INR rate of 3.02 on 29 Sep 2026. Both the Topco Scientific price and the rupee rate move during the day, so the rupee cost changes with them.
What are the LRS and TCS rules for investing abroad from India?
Remit up to $250,000 per financial year under the RBI's Liberalised Remittance Scheme (LRS). Banks collect 20% tax at source on LRS remittances above ₹10 lakh in a financial year; the TCS is adjustable against your income-tax liability.
How are gains on Topco Scientific shares taxed in India?
Gains on shares held for more than 24 months are long-term and taxed at 12.5%. Gains on shares held for 24 months or less are short-term and taxed at your income-tax slab rate. The gain is computed in rupees using the TWD/INR rate on the purchase and the sale date, so the rupee move counts alongside the Topco Scientific price.
Does Topco Scientific pay a dividend, and how is it taxed in India?
Yes. Topco Scientific pays a dividend and the current yield is 2.42%; the last declared dividend was NT$13.42 per share, about ₹40.48. Dividends are taxed at your slab rate in India.
When does TAI trade, in Indian time?
The Taiwan Stock Exchange trades 6:30 am – 11:00 am IST in Indian time.
Do I have to declare Topco Scientific shares in my Indian tax return?
Yes. Foreign shares held on 31 March must be reported in Schedule FA of your Indian income-tax return. The holding is reported with its cost and its closing value.
Does the rupee rate affect what I make on Topco Scientific?
Yes. Topco Scientific is priced in TWD, so your rupee outcome combines the TWD move with the TWD/INR move between the day you remit and the day you convert back.