Costs, prices and tracking: investing glossary

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Definitions of fund fees, spreads, order types, ETF premiums and discounts, tracking difference and tracking error, with links to handbook examples.

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Account fee

A fixed, value-based or conditional charge for an account/platform/custody service, separate from fund operating expenses. It may apply without any purchases or sales.

Account costs

Ask price

The lowest currently quoted selling price in the observed market, relevant to buyers. It covers available quantity and can change before execution; it promises no single price for any amount.

Quote and order

Bid price

The highest currently quoted buying price in the observed market, relevant to sellers. Available quantity matters; it is not a completed sale and can be below the last chart price.

Bid, ask and costs

Commission

A charge for arranging a trade, sometimes based on amount/units with a minimum. Zero commission leaves possible spreads, conversion costs, account fees and fund expenses.

The complete cost

Currency conversion cost

An explicit exchange fee and/or markup within the offered rate. Trace conversions actually required for contributions/withdrawals and avoid overlooking embedded charges or counting included fees twice.

Conversion costs

Discount to NAV

Market price below fund NAV per unit. At the same currency/valuation time, €99 versus €100 NAV is a 1% discount. It proves neither cheap underlying investments nor eventual gap closure.

Price and NAV

Expense ratio and ongoing charges

Recurring fund operating expenses relative to assets. Check what expense ratio, ongoing charges or TER covers: portfolio transaction/account/dealing costs may be excluded. Internal expenses affect value without a separate invoice.

The headline figure’s scope

Gross and net return

Return before/after specified deductions. Identify expenses and tax assumptions: a fund’s net result need not deduct personal brokerage charges/taxes. “Net” alone establishes no complete cost treatment.

Read the measurement basis

Limit order

An instruction to buy at the limit or lower, or sell at it or higher. It bounds execution price without guaranteeing any fill. Fees remain separate; the purchased holding can lose value.

Price boundary and execution

Management fee

A portfolio-management charge that may already form part of broader operating expenses. It need not be the entire cost; do not add it again when included in the stated total.

Included and additional costs

Market order

An instruction to trade at the best prices available on execution. The last displayed price is not guaranteed; portions can fill at different prices, subject to market/provider terms.

What the instruction requests

Market price

The price at which an investment trades. Last trade, current bid and ask can differ, as can ETF price and NAV. One displayed price establishes no available quantity for your whole order.

Price and fund value

Premium to NAV

Market price above fund NAV per unit. At the same currency/valuation time, €101 versus €100 NAV is a 1% premium: more than that measured share of net assets, before other costs.

The traded premium

Settlement

Transfer of cash/securities completing trade obligations, distinct from execution. Process/timing depend on instrument, market and account. Even settled proceeds may need withdrawal/bank transfer before spending elsewhere.

From trade to usable money

Spread (bid–ask)

The gap between quoted ask and bid. An illustrative €10.00 bid/€10.04 ask has a €0.04 unit spread before other charges. Crossing it affects results even with zero explicit dealing fee.

Count the spread once

Total cost of ownership

Relevant fund, account, dealing, conversion and exit costs of your actual arrangement. Construct it from comparable terms; there is no universal fee. Separate this budget from returns already reflecting some expenses.

A comparable cost budget

Tracking difference

Fund return minus benchmark return over the same period in this handbook’s convention. 6.2% versus 6.5% gives −0.3 percentage points. Match currency/income/cost treatment; fund expenses may already affect the gap.

The return gap

Tracking error

Variability of periodic fund-minus-benchmark return gaps, commonly annualised standard deviation; methods differ. Low error can accompany persistently negative tracking difference. It measures gap consistency, not absence or a future maximum.

Size versus variability

Transaction costs

Costs of buying/selling, including commissions and dealing-price effects, inside funds or personal accounts. Fund portfolio transaction costs can fall outside the expense ratio while still reducing NAV/returns.

Beyond operating expenses

Turnover

A period’s buying, selling or replacement of holdings, often expressed as a percentage. Check calculation/period before comparison. It may explain transaction costs but is neither a fee, complete cost nor evidence of better results.

Trading inside the fund

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