The price offered by a spread betting company for a given instrument/market/product. A quote contains 2 prices: the bid and the ask/offer, depending on whether you want to buy (ie you think the price will increase) or sell (ie you think the price will decrease).
A type of bet on a contract that expiries at the end of the stated quarter. An example of a quarterly bet would be an Index future such as the FTSE-100 June contract.
The amount of money you have made or lost on a bet when the bet has been closed. In spread betting, your profit or loss is based on the (inital price - closing price) x stake.
Unrealised profts/(loss) is essentially calculated in the same way, however it based on the latest price of the product, rather than the price at the point the bet was closed.
A term used in technical analysis referring to the price at which a stock or market can trade, but not exceed, for a certain period of time. Also referred to as the 'Resistance level'.
Exposure to uncertain change, most often used with a negative connotation of adverse change.
Risk in the context of investing essentially means the chance that the actual return you receive on an investment (either an individual investment, or a portfolio of investments) differs from the expected return. In the context of spread betting, since it is a leveraged form of investing, risk extend itself to the chance of losing not only all of the original investment, but more than the initial investment.
Key metrics used in the investment management/fund management industry to aid investors' understanding of the riskiness of investments are the average and standard deviation of historic returns. Investments with a larger standard deviation of returns typically indicate a higher risk investment.
In the context of spread betting, risk management is a critical discipline to understand before you begin to trade, in particular since you can lose more than your initial investment. See Key things to know about spread betting for additional narrative, however the key risk management concepts to understand are Stops and Guaranteed stops.
Stop orders instruct the spread betting company to close your position (either partly or fully) at a specified market price. If the maret price jumps beyond your stop price, for example outside of trading hours, the stop order may not be execute. Guaranted stops protect you against this occuring
When a spread bet reaches its official expiry date, ths bet can be closed, and a bet match the stake size and direction can be opened for the next period. This is known as a 'rollover'.
As per the unrealised profit/(loss) explanation above, this refers to how your open bets are performing. It is the amount of money that you would either gain or lose on your open bets if they were closed at prevailing market prices.