Cost per share refers to the amount of money an investor must pay to purchase one share of a company’s stock. This cost is determined by dividing the total cost of the stock by the number of shares being purchased. It is an important metric for investors as it helps them understand the value and affordability of a particular stock. The cost per share can vary depending on market conditions, company performance, and demand for the stock. It is often used in conjunction with other financial ratios to evaluate the potential return on investment for a particular stock.