Maple VaulthornStart with the pages nobody markets: terms of use, risk disclosure and withdrawal policy. A platform comfortable with scrutiny publishes these in full rather than summarizing them into three friendly bullet points.
Next, look at how returns are described. Wording matters: "past performance doesn't guarantee future results" is a normal disclosure, while a specific monthly percentage presented as an expectation is not.
Finally, test the support channel before depositing, not after. Ask a concrete question about withdrawal timing and see how quickly and precisely it's answered — that response is a fair sample of what you'll get when it matters most.
Reading a statement line by line
A statement is a list of movements, not a verdict. Deposits, withdrawals, opened and closed positions, and any fees each appear as their own line, and the balance at the bottom is simply the total of everything above it.
The lines that matter most
The opening and closing balance for the period, and any line you can't immediately explain. One unexplained line is worth an email; a pattern of them is worth a phone call.
Fees in plain sight
Anything deducted should appear as its own labelled line. A fee that only shows up as a smaller balance is a reason to ask questions.
Keeping your own record
Download each statement as it's issued, rather than assuming the account stays open forever. A folder with twelve files answers most questions faster than any support queue, and it's the record you'll want if you ever need one.
Investing involves risk, including the possible loss of some or all of the capital you invest. The value of investments can fall as well as rise, and you may get back less than you originally put in. Never invest money you cannot afford to lose.