$Sirius XM (SIRI.US)$ Berkshire Hathaway recently increased ...

$Sirius XM (SIRI.US)$ Berkshire Hathaway has recently continued to increase its shareholding in the satellite broadcasting company Sirius XM (SIRI.US), and now holds 32% of the company's shares.
According to SEC documents, the company purchased approximately 3.6 million shares of Sirius XM stocks through multiple trades last week, with a total investment amount of around 87 million US dollars.
Market analysis indicates that Berkshire may be interested in merger arbitrage opportunities, hence choosing to continue the investment.
Warren Buffett is 94 years old this year, and he has never publicly discussed this investment. It is currently unclear whether this decision was made by him personally or by his two investment managers.
Therefore, taking a small position to bet on the call. Buying a Call option for November 15th with a strike price of 27 US dollars, paying a premium of 1.6 US dollars, and realizing profits at the 31 US dollars price level.
Potential return: 4
Potential loss: (1.6)
Risk-return ratio: 2.5 times