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◆ guides

Worked examples, and what goes wrong.

Guides with the arithmetic shown and the failure modes named — written to be useful whether or not you ever open an account. Real prices, real minimums, real fees, and the parts most explainers leave out.

Matched betting A free bet is worth exactly 1 − 1/odds One promotion worked all the way through: €50 at odds of 4.00, covered at 75¢, locks €37.50 either way. Why that equals the free bet's expected value exactly, how much of your own money it ties up, and the seven ways the trade goes wrong. Read the guide → Prediction markets The price is a probability — until you try to take it What one share is, and where the number on the screen comes from: an order book, usually a thin one. Why a 400-share order at 63¢ costs 63.95¢, what spread and fees actually take, and the three places the shorthand breaks. Read the guide → Custody Non-custodial is a ladder, not a label Where the signing key lives decides everything else. Four rungs that all get called self-custody, what an attacker who owns the web page can take at each one, what self-custody costs you, and five questions that test any claim. Read the guide → AI agents What an AI assistant should never be allowed to do alone It can read your whole account and propose any trade — and it cannot finish one, because finishing needs a signature the server has no way to produce. Where the approval line goes, and why prompt injection is what decides it. Read the guide → Moving money Money is never where the trade is — how a funding route is planned A venue doesn't accept money; it accepts one token contract, on one chain, at one address. Reading every balance, pricing a route backwards from its destination, paying gas on a chain you have none on, and the undocumented minimums that swallow small deposits. Read the guide → Pricing, explained A plan is a list, not a tier — how composable membership works Seven parts, seven prices, and a bill that is their sum. The hard part isn't the switches: it's deciding what each one is allowed to stop — and why dropping a part must never strand what you already have open. Read the guide → Taxes & records The loss that leaves no trace — records when your bets are on-chain A losing bet produces no on-chain event. A bridge looks exactly like a sale. A hedged pair counted leg by leg is nonsense. Three ways a generic crypto ledger overstates your gains, and what a correct one does instead. Read the guide → Tool · free, no sign-up Free-bet calculator — what a promo is actually worth Enter the stake, the odds and the cover price. It returns the shares to buy, the cash you need to cover them, and the profit locked in whichever side wins — plus the fair price, so you can tell a good match from a bad one. Free, no account. Open the calculator → Reference Glossary — every term amparo uses, defined Free bet, lay, hedge, non-custodial, SEPA, USDC, perpetual, slippage. The vocabulary of the desk, each defined in a sentence you can quote. Open the glossary →

These guides are educational, for adults (18+). They are not betting, investment or tax advice. amparo is software you run over your own accounts — it is not available in every country, and where it isn't offered, these pages don't change that. Bet only what you can afford to lose.