SPIR - Spire Corp. Stock Price, Fair Value and News

SPIR is the stock ticker symbol of Spire Corp.. Every public company that trades on a stock exchange gets a ticker symbol.

As of Wed Jan 28 2026, market cap of Spire Corp. is 410.82 Million. The market capitalization is calculated by multiplying the stock price with the number of shares outstanding.

You can check SPIR's fair value in chart for subscribers.

The fair value guage provides a quick view whether SPIR is over valued or under valued. Whether Spire Corp. is cheap or expensive depends on the assumptions which impact Spire Corp.'s fair value. We provide several scenarios of inflation and growth to encompass these range of assumptions for SPIR.

As of Wed Jan 28 2026, SPIR's PE ratio (Price to Earnings) is 13.25 and Price to Sales (PS) ratio is 5.31. The price to earnings and price to sales ratio are two most important valuation metrics for any company. PE ratio tell us the number of years of earnings investors are ready to pay for owning the company. Historically, S&P500 price to earnings ratio has fallen below 12 during periods of gloom and gone past 30 during periods of euphoria. SPIR PE ratio will change depending on the future growth rate expectations of investors.

In the past 10 years, Spire Corp. has provided -0.024 (multiply by 100 for percentage) rate of return.