Glossary
Plain-language definitions for the terms Augea uses. Each entry links to its own page.
Effective fee
The real, all-in percentage cost of buying crypto after spread, headline trading fee, and payment surcharges are included.
Spread
The gap between what an exchange sells crypto to you at and the mid-market reference price.
Headline fee
The percentage trading fee an exchange advertises on its fee schedule or checkout screen.
Payment surcharge
An extra fee charged by the exchange or the payment processor for a specific payment rail, usually card purchases.
SEPA
Single Euro Payments Area, the eurozone bank-transfer network used to fund exchanges in most EU countries.
Card rail
Funding an exchange using a credit or debit card, usually at higher total cost than a bank transfer.
Mid-market price
The midpoint between the best bid and best ask price for an asset at a point in time, used as the reference for spread calculations.
Snapshot
A timestamped, immutable capture of exchange fee data at a specific moment, used as the basis for every Augea estimate.
Provenance
The record of where each piece of data came from, when it was captured, and how it was verified.
Verification level
A per-row label describing how strongly a captured data point has been verified: full, partial, or missing.
Truth state
A three-valued label on each scenario row: rankable, unrankable, or no snapshot.
Recurring buy
A scheduled, automated purchase of crypto on a fixed interval, often used for dollar-cost averaging.
Estimates, not quotes.