For Business

Risk & Money Management

What Is Overleveraging

Overleveraging is holding a position so large against the account that an ordinary day's movement takes a large bite of it, whatever leverage the broker offers. This paper shows you one lot of the euro against the dollar at its 17 December 2025 close on a 10,000-dollar example account, 11.7 times the account, where the year's middle day of 73.7 pips is worth 7.4 per cent; the idea as a sail too big for the boat; the position stacked on the account to scale at three sizes; the margin level, the gauge the platform watches; and the order window on your platform, whose only refusal is the margin.

Difficulty
Intermediate
Reading time
5 min
Pages
8
Reviewed by
Saman Rahbar

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One lot on a 10,000-dollar account

Overleveraging is holding a position so large against the account that an ordinary day takes a large bite of it. Take one lot of the euro against the dollar, 100,000 euros, at 1.17398, the close on 17 December 2025: 117,398 dollars of position on a 10,000-dollar example account. The broker's leverage of 1:30 allows it and holds 3,913 dollars as margin, but the number that matters is the position over the account, 11.7 times. An ordinary day in 2025, the middle day of the year's ranges from the real bars, moved 73.7 pips, which at one lot is 737 dollars, or 7.4 per cent of the account. Nothing unusual has to happen.

A sail too big for the boat

Picture a small boat carrying a sail cut for a much bigger one. An ordinary breeze, nothing a sailor would remark on, puts it on its side, because the sail catches far more wind than the hull can hold up. An overleveraged account is that boat. The hull is the account, the sail is the position, and the breeze is an ordinary day's movement. The same breeze on a sail cut to the hull is a day's sailing. The wind was never the problem, and the sailor cannot change it. The sail is the only thing on the boat that was chosen, and leverage is the ratio of the one to the other.

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