Petros Pharmaceuticals ($PTPI@US) stock increased by 109.56 to $4.38. It was trading at a volume of 139.6 million, which is 2,180.82 of its average full-day volume over the last 100 days. Petros Pharmaceuticals' average session volume is about 6.4 million over a 100-day period. Monday's trading volume had already exceeded 210 million. The company's market cap stands at $57.5 million. No apparent news catalyst is driving the move. The stock is trending across social media platforms as traders discuss the stock's short-squeeze potential. About 9 of the float is sold short. Petros Pharmaceuticals stock gained 11.48 while the S&P 500 fell -1.73. Over the past year, the S&P 500 is higher by 25.93 while PTPI has fallen -48.87. Petros Pharmaceuticals is a men's health pharmaceutical company focused on identifying, developing, acquiring, and commercializing innovative therapeutics for men's health issues. Petros Pharmaceuticals has traded as high as $5.95 and as low as $1.19 over a 52-week period. The stock was up 111.70 at $4.42 at time of publication.