Six beliefs, checked
Most misunderstandings about this product come from carrying fixed-odds intuition into a market that does not work that way. Each belief below is stated in the form readers usually meet it, then checked against the mechanism.
“I can only lose what I put up”
The money per point multiplies the whole adverse move, and the deposit the firm asks for is not a limit on the loss. A goalless match on a goals index bought at 29 for £5 per point settles at −£145, from a £50 deposit. This is the belief the risk page exists to dismantle.
“A bigger stake per point means a bigger win”
It scales the result in both directions, and it scales the margin requirement with it. It does not improve the accuracy of the view, and it converts a survivable adverse move into one that triggers a call — see margin.
“The spread is the only cost”
The spread is paid once per round trip; a long-dated market also carries a financing charge for as long as it is held, accruing whether the position is winning or losing. On a season index that can be several per cent of the position before the index moves at all — the arithmetic is on the cost page.
“If I am right about the direction, I make money”
A position starts behind by the spread. Being right by one point on a three-point spread is a loss, and on a long-dated market the financing has to be earned too. Direction is necessary and not sufficient, which is what the break-even calculation shows.
“A stop-loss protects me”
It protects a position from being left unattended, and on a market that moves gently it fills near its level. It cannot guarantee the level: an index that jumps ten or twenty-five points on a single event, or a market suspended around one, can pass the stop before any instruction executes.
“The firm wants me to win, so it lays my bet off”
The firm quotes both prices and is the counterparty, so a reader's loss is the firm's gain on that position. Behaviour varies, and this page asserts none of it about any firm; but the structure to reason from is that there is no exchange here, which is also why the pair is set by the firm rather than discovered — see what the index counts.
The belief underneath all six
They share one root: a fixed-odds habit of thought in which the amount staked is the amount at risk, the price is the only thing that can vary, and the outcome is binary. A spread market varies three things at once — the index, the pair of prices around it, and the time the position is held — and the amount at risk is a derived figure rather than a chosen one. Readers who re-derive that figure before opening anything are the readers this desk is written for.
The link below is the disclosed sponsored link and the only commercial element on this page. Nothing here recommends a firm, and no firm changes the six mechanics above.
Open the partner accountWhere the detail lives
- Buying and selling a price — the pair, the side, and the break-even.
- What the index counts — the formula, the weights and the source.
- Running profit and loss — the mark, the equity line and what is realisable.
- The spread and the financing — both charges, expressed as proportions.
- Margin, calls and stops — the deposit, the call and the forced close.
- Settlement and the make-up — the final number and when it lands.