Opinion trading platforms like Probo, Kalshi and Polymarket, built end to end by a senior team in India: matching engine, wallet, KYC, settlement and native apps. Real-money builds for licensed operators, free-to-play builds for everywhere else.
Will India win the 3rd ODI?
Demo UI · not a live market
Every build shares the same battle-tested engine: order matching, a double-entry wallet ledger and market settlement. You pick the experience on top.
Yes/No contracts on sports, finance, weather and news. Users buy and sell shares while the price moves with the crowd, and winning shares settle at a fixed payout.
Stablecoin markets with wallet login, on-chain settlement and an off-chain matching engine for speed. Built for crypto-native audiences and licensed jurisdictions.
The same trading experience with points instead of money. Leaderboards, streaks, sponsor prizes and ads. The model that stays legal in India after the 2025 Online Gaming Act.
The hard parts are the invisible ones. We build those first and make them boring and reliable.
Price-time priority matching in memory, persisted to an event log. Handles match-day spikes without double fills, and supports limit orders, market orders and instant exits.
WebSocket push to every device, so prices, volume and positions update the moment a trade fills.
Double-entry ledger with UPI, cards, ACH or USDC rails. Every rupee or cent reconciles.
Identity, liveness and sanctions checks wired into onboarding and withdrawals.
Resolve by admin, trusted data feed or oracle. Payouts run automatically with a dispute window.
Create markets, set limits, watch exposure per market and freeze suspicious accounts.
Show only the markets each user is allowed to trade, by country or state.
Load-tested against simulated final-over spikes before launch, with autoscaling and per-market circuit breakers.
An event-sourced core keeps the order book, wallets and settlement in agreement, even when something fails mid-trade.
Prediction markets are regulated differently in every country. We build the controls in from the first sprint and work alongside your licensing and legal advisors, so launch day is not the day you find a gap.
Building for India?
Real-money online games, including opinion trading, are banned under the Promotion and Regulation of Online Gaming Act, 2025. For Indian audiences we build free-to-play prediction and quiz apps that earn from sponsors, ads and subscriptions. We do not build colour prediction, casino or unlicensed real-money apps.
IP, GPS and payment-country checks so each market only opens where it is licensed.
Document and liveness checks through providers like Sumsub, Onfido or Persona, plus watchlist screening.
Every order, fill, wallet movement and settlement is written to an append-only log your regulator can inspect.
Deposit limits, cool-off periods, self-exclusion and age gates built into the account, not bolted on.
Pick a starting point. After a 30-minute scoping call you get a fixed-price quote, and you own all of the code.
One app, one market type, order book, wallet, KYC and admin settlement. Enough to launch and learn.
Everything in the MVP plus native apps, automated resolution, referral engine and deeper risk tooling.
Points-based prediction or quiz app with leaderboards and sponsor contests. No wallet, no licence needed.
Market type, target countries, licence status and must-have features. You get a fixed-price quote.
Clickable prototype of the trading flow, wallet and admin console in about two weeks.
Matching engine, ledger and settlement first, then the apps on top. Weekly demos.
Simulated match-day traffic, ledger reconciliation and a third-party security review.
App store submission, monitoring, on-call support and new market types after go-live.
It is a platform where users buy Yes or No shares on the outcome of a future event, such as a cricket match or an interest-rate decision. The share price moves between 0 and 1 (or 0 and 10) based on demand, and winning shares pay out a fixed amount when the event settles. Probo, Kalshi and Polymarket are well-known examples.
Yes. We build the full stack: order matching engine, wallet and ledger, KYC, market creation and settlement, admin console and native apps. We do not copy any company's code or branding. You get an original product that you fully own.
Real-money opinion trading is no longer allowed in India. The Promotion and Regulation of Online Gaming Act, 2025 bans online money games, their advertising and payment processing for them. For the Indian market we build free-to-play prediction and quiz apps, which the Act permits. Real-money builds are for clients licensed in other jurisdictions.
No. We do not build colour prediction games, casino games or any real-money product for an unlicensed operator. Every real-money build starts with a licence check.
A launch MVP takes about 8 to 10 weeks. A full platform with native iOS and Android apps, automated resolution and market-maker tooling takes about 14 to 20 weeks. A free-to-play version takes about 6 to 8 weeks.
An order book (CLOB) gives the best prices once you have active traders, and it is what Kalshi and Polymarket use. An automated market maker such as LMSR always quotes a price, which helps new markets with thin liquidity. Many platforms launch with a market maker and add an order book as volume grows. We can build either or both.
You do. You get the full source code, infrastructure scripts and documentation, with no licence fees to us.
Want to go deeper? Read our guides on building prediction markets.
Let’s make it simple.
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