NASDAQ
Proto Corporation (PTOVF) has a market cap of $5400.456T as of Tuesday, June 24, 2025. The PTOVF market cap is up 1361447862.14% over the past 30 days and has grown 1534354867.07% over the past year. Market capitalization represents the total market value of a company's outstanding shares, calculated by multiplying the stock price by the total number of shares outstanding.