If you have only ever placed bets with a traditional bookmaker, a betting exchange can feel unfamiliar at first. The interface shows two coloured columns instead of one price, and you are suddenly asked whether you want to "back" or "lay" a selection. Once the idea clicks, though, most people find an exchange far more transparent than a fixed-odds bookmaker — because you can see exactly who is willing to take the other side of your bet.
This guide breaks down the core mechanics of 99exch (you will also see the brand written as 99exchange) so a first-time user can read a market with confidence. Nothing here is a promise of profit — betting always carries risk — but understanding the plumbing helps you make calmer, better-informed decisions.
What is a betting exchange?
A traditional bookmaker sets the odds and takes every bet against you: if you win, they pay; if you lose, they keep your stake. A betting exchange works differently. It is a peer-to-peer marketplace where users bet against each other, and the platform simply matches the two sides and takes a small commission on net winnings.
That means for every person who thinks India will win a match, there has to be someone on the other side who is prepared to accept that bet. The exchange pairs them up automatically. Because prices are driven by real supply and demand between users, exchange odds often move quickly and can be sharper than a bookmaker's fixed line.
Backing: the familiar side
Backing is the bet you already know. When you back a selection, you are betting that it will happen — a team wins, a batter passes a runs total, a specific score lands. If the outcome comes in, you win at the odds you took; if it does not, you lose your stake.
On 99exch this is the blue side of a market. A back bet of ₹1,000 at odds of 2.0 would return your ₹1,000 stake plus ₹1,000 profit if it wins (before commission). If it loses, the amount at risk — your liability — is simply the ₹1,000 you staked. Nice and simple.
Laying: betting against an outcome
Laying is the part that is unique to an exchange, and it is worth taking slowly. When you lay a selection, you are betting that it will not happen. In effect, you step into the shoes of the bookmaker: you accept someone else's back bet.
If you lay "Team A to win" and Team A loses (or the match is drawn), you keep the backer's stake as your profit. If Team A wins, you have to pay out — and that payout is your liability. This is the key difference beginners must internalise: when you lay, your potential loss is usually larger than the amount you stand to win.
Understanding liability
Liability is just a word for "the amount you could lose". How it is calculated depends on which side you are on:
| Bet type | You are betting… | Your liability |
|---|---|---|
| Back | the outcome will happen | your stake |
| Lay | the outcome will not happen | stake × (odds − 1) |
So if you lay a selection for ₹1,000 at odds of 3.0, your liability is ₹1,000 × (3.0 − 1) = ₹2,000. You win ₹1,000 if the selection loses, but you risk ₹2,000 if it wins. The exchange always shows this figure before you confirm, so you never lay blind — but it is your job to read it.
Matched vs unmatched bets
Because an exchange needs two willing sides, your bet is not live until someone accepts it. You will see two states:
- Matched — another user has taken the opposite side at your price. The bet is now active and will settle when the event finishes.
- Unmatched — no one has accepted your price yet. Your money is reserved but the bet is not working. You can wait for the market to come to you, or edit the odds to the price currently on offer so it matches straight away.
This is why exchange prices can look like a live order book: the available odds simply reflect what other users are offering right now. If you ask for a better price than the market, you wait; if you accept the market price, you match instantly.
Why exchange odds move
On a fixed-odds site, a price only changes when the bookmaker decides to change it. On an exchange, odds shift continuously as users place, edit and cancel bets — especially during live cricket, where a single boundary or wicket can send a market swinging. That volatility is an opportunity for experienced traders and a trap for anyone chasing losses, so treat fast-moving in-play markets with respect.
Practical tips for new 99exch users
- Start by backing. It behaves like a normal bet, so you can learn the interface without worrying about liability maths.
- Practise with a demo first. You can request a free demo ID to explore the markets before committing real funds.
- Read the liability box every time you lay — treat it as a compulsory step, not an afterthought.
- Set a budget before you log in and stop when you reach it. The exchange will not do this for you.
- Keep records. Reviewing your matched bets teaches you more than any tips channel.
A note on responsible play
A betting exchange gives you more control and more transparency, but it does not change the fundamentals: outcomes are uncertain and losing runs happen to everyone. Bet only with money you can afford to lose, never chase a loss, and take a break if it stops being fun. Our responsible gaming page has tools and links if you ever need them. This platform is strictly for users aged 18 and above.
Want a walkthrough of your first market on 99exch? Message our team on WhatsApp and we will help you read the back and lay columns step by step, or set you up with a 99exch ID when you are ready.