Tax, fees & accounts

• Average costTreating all purchases of one security as a single pooled holding at a blended price.
• Capital gains taxTax on the profit made when you sell an investment for more than you paid.
• Currency conversion feeWhat a broker charges to convert between currencies when you buy foreign assets.
• FIFO and other lot methodsThe rule deciding which purchase you are treated as having sold, when you own several.
• Income tax on investmentsTax on dividends and interest, usually charged in the year received.
• Platform feeWhat a broker or platform charges for holding your account, separate from dealing costs.
• Stamp dutyA tax charged on the purchase of shares in some markets.
• Tax wrapperAn account type that shelters investments from some or all tax.
• Tax-loss harvestingSelling a losing holding to realise the loss and offset it against taxable gains.
• Wash saleA rule disallowing a tax loss when you repurchase the same security too soon after selling.
• Withholding taxTax deducted at source by a foreign country before a dividend reaches you.

Educational reference only. Nothing here is investment advice or a recommendation to buy or sell anything, and tax treatment depends on your own circumstances and the country you are in.