Position limits
Max contracts on Forex scale with account size: 1 / 5 / 15 lots for $10K / $50K / $150K.
Max contracts on Commodities/Indices: 0,5 / 2 / 6 lots for $10K / $50K / $150K.
Max contracts on Crypto: 0,1 / 0,5 / 1,5 lots for $10K / $50K / $150K.
Other accounts have proportional lot sizes