There are no maximum lot size limits during the Alpha Pro Assessment.
However, please note that on Qualified Analyst Accounts, there are specific maximum lot limits based on the account size.
$5k = Max 2.5 lots
$10k = Max 5 lots
$25k = Max 10 lots
$50k = Max 20 lots
$100k = Max 40 lots
$200k = Max 80 lots
$300k = Max 120 lots