The 5th halving event is expected to occur on April 20, 2028 once 1.05M blocks have been mined. The block reward will decrease from 3.125 to 1.5625 coins per block.
The closing price for Tesla (TSLA) on April 20, 2021 was $239.60. It was up 0.2% for the day (up 0.6% from previous close). The latest price is $328.60.