Tesla has been the most active and consistently so for quite some time now. There was short-dated activity earlier, but this week the most active are the Oct. 810 and 820 calls.

See Also: Looking At Tesla's Recent Whale Trades

The company is set to report earnings next week. Right now, the options market is implying a move of approximately 7.7% by Oct. 21.

The active options that expire next week are the 750 strike puts. There were 40,000 contracts trading at around $16 a contract. Traders may be expressing that Tesla’s earnings may pause the stock rally and lead to some pullback.