Aplicaciones y Tratamiento de Sistemas, S.A. (ATSI) Share Price Today
Aplicaciones y Tratamiento de Sistemas, S.A. Price Chart (ATSI)
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Daily candles from the exchange.
Aplicaciones y Tratamiento de Sistemas, S.A. (ATSI) Share Price Price Today
The ATSI share price today is €3.82, up 0.00% on the day. Aplicaciones y Tratamiento de Sistemas, S.A. is listed on MCE in Spain, and the latest session we have is October 9, 2026.
Prices are delayed quotes for information only and are not financial advice.
ATSI Recent Prices
| Date | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| 2026-10-09 | €3.80 | €3.80 | €3.80 | €3.80 | 0.00% | 0 |
| 2026-10-08 | €3.80 | €3.80 | €3.80 | €3.80 | 0.00% | 0 |
| 2026-10-07 | €3.80 | €3.80 | €3.80 | €3.80 | 0.00% | 0 |
| 2026-10-06 | €3.82 | €3.82 | €3.82 | €3.80 | 0.00% | 14 |
| 2026-10-05 | €3.80 | €3.80 | €3.80 | €3.80 | 0.00% | 615 |
| 2026-10-02 | €3.80 | €3.80 | €3.80 | €3.80 | 0.52% | 1,472 |
| 2026-10-01 | €3.82 | €3.82 | €3.82 | €3.82 | 0.52% | 1,500 |
| 2026-09-30 | €3.82 | €3.84 | €3.82 | €3.84 | 0.00% | 2,119 |
| 2026-09-29 | €3.84 | €3.84 | €3.84 | €3.84 | 0.00% | 0 |
| 2026-09-28 | €3.84 | €3.84 | €3.84 | €3.84 | 0.52% | 502 |
Frequently asked questions
What is the ATSI share price today?
The ATSI share price today is €3.82 on MCE, the latest price we have, from the 2026-10-09 session. Aplicaciones y Tratamiento de Sistemas, S.A. trades in EUR.
Is ATSI share up or down today?
Aplicaciones y Tratamiento de Sistemas, S.A. (ATSI) is up 0.00% compared with the previous close of €3.82.
What was the ATSI closing price yesterday?
The previous close of ATSI was €3.82 (October 8, 2026).
What is the 52-week high and low of ATSI?
Over the past year ATSI has traded between €3.78 and €4.76. The latest session's range was €3.82 to €3.82.
What is the trading volume of ATSI?
8,250 shares of ATSI traded in the latest session.
Where does this ATSI price come from?
Stock prices and volumes from Yahoo Finance. These are delayed quotes: during trading they can lag the exchange by 15 minutes or more, and they are not a live feed.
More: ATSI price history · MCE top gainers and losers today · all Spain stocks (A–Z) · Spain stock market today · stock markets by country
Investing in Spain: guides
- How to read a stock chartA step-by-step guide to reading a stock chart: what a candle shows, how to use volume, how to choose a time frame, and what a chart cannot tell you.
- Trading volume explainedTrading volume is how many shares change hands in a period. What it tells you about conviction and liquidity, and how to read it with price.
- Stock order types explainedMarket, limit, stop and stop-limit orders set the price and timing of a trade. How each works, with examples, and the mistakes that cost money.
- P/E ratio explainedThe price-to-earnings ratio compares a share price with profit per share. Here is how to calculate it, what a high or low ratio means, and the traps to avoid.
Learn to read and trade it
- How to buy stocksOpen an account, pick the order type and set your exit, step by step.
- How to trade stocksA practical process from watchlist to exit.
- Candlestick patterns cheat sheetRead the candles on the chart above.
- Stop loss strategyWhere to put a stop and which types to use.
- Position sizing formulaHow much to risk on one trade.
- How to use TradzyGrade a setup, plan the trade and practise it with paper money.