中文：

股票为成交是指股票的买卖双方在达成交易时所形成的价格。在股票交易中，当买卖双方就股票的价格和数量达成一致意见时，就会形成一个成交价格。这个价格通常会显示在股票交易的行情软件中，成为投资者参考的重要指标之一。

股票的成交价格通常是在市场供求关系和投资者预期等多种因素的综合作用下形成的。当市场上的投资者对某只股票的未来表现持乐观态度时，他们可能会以较高的价格买入股票，反之则可能以较低的价格卖出股票。

股票的成交价格对投资者具有重要的意义。通过观察股票的成交价格，投资者可以了解市场对该股票的供求关系和投资者对该股票的预期。同时，成交价格也是投资者进行技术分析和基本面分析的重要依据之一。

英文：

The stock transaction refers to the price formed by the buyers and sellers of the stock when a deal is made. In stock trading, when the buyers and sellers agree on the price and quantity of the stock, a transaction price will be formed. This price is usually displayed in the stock trading quotation software and becomes an important indicator for investors to refer to.

The transaction price of the stock is usually formed under the combined action of market supply and demand, investors' expectations and other factors. When investors in the market are optimistic about the future performance of a certain stock, they may buy the stock at a higher price, otherwise they may sell the stock at a lower price.

The transaction price of the stock has important significance for investors. By observing the transaction price of the stock, investors can understand the supply and demand relationship in the market and investors' expectations for the stock. At the same time, the transaction price is also an important basis for investors to carry out technical analysis and fundamental analysis.