Tesla Inc. ($TSLA) has experienced a surge in call options activity, particularly in the $700 strike calls set to expire this Friday. The stock saw increased call buying in the last 24 minutes of a recent trading session, leading to a sharp rise in implied volatility. Notably, $2.50 calls have risen to $9, indicating a strong bullish sentiment among traders. Additionally, significant volume was observed in weekly $430 calls at market open, and an algorithmic buying program targeted various strikes, including $760, $770, $780, $800, $810, and $820. On January 15, large lots of 3,000 September $900 calls were purchased at prices ranging from $12.45 to $12.85, further reflecting investor confidence in Tesla's performance.