Trade is an acquisition (buy) or disposal (sell) of an asset to/from an external party; whereas, a transfer is the withdrawal or deposit of an asset between accounts/wallets owned or controlled by the same party.
Trade - bought 1 Bitcoin for $10,000.
Transfer - sent 1 Bitcoin from my cold wallet to my cryptocurrency exchange account.
NOTE: Lukka does not provide tax advice. The statements above are general in nature and do not address how the application of the tax rules can vary based on a taxpayer’s actual facts. Please consult a tax professional on how the tax rules apply to your specific facts.