A dividend is the portion of the profit that a company chooses to return to its shareholders, usually expressed as a percentage.

Depreciation is the term given to the decline in an asset’s value, either due to market conditions or other factors like wear and tear. It is the opposite of appreciation.

A derivative’s delta is defined as its price movement in relation to the change in the price of its underlying asset. It can also sometimes be referred to as a hedge ratio and is most often used when dealing with options.

The debt ratio is an indication of how much debt a company is holding when compared to the value of its assets. It can also be applied to individuals: in which case it is the cost accrued by their debt compared to total income each year.

Day trading is a strategy of short-term investment that involves closing out all trades before the market closes.

Derivatives are financial products that derive their value from the price of an underlying asset. Derivatives are often used by traders as a device to speculate on the future price movements of an asset, whether that be up or down, without having to buy the asset itself.

When trading, DMA stands for direct market access. It’s a way of placing trades that offers more flexibility and transparency than traditional dealing (which is usually referred to as OTC, or over-the-counter). It’s suitable for advanced traders.

Dark pools are networks – usually private exchanges or forums – that allow institutional investors to buy or sell large amounts of stock without the details of the trade being released to the wider market.

A day order is a type of order, or instruction from a trader to their broker, to buy or sell a certain asset.