Getting Started
FatTail Markets is a multi-chain tail-risk prediction market focused on extreme outcomes.
We exclusively host 90:10+ skew markets — no 50:50 noise.
What makes FatTail different?
- Extreme-only markets: Only events with 90:10+ probability skew
- Two-sided value: Carry for the 90% side, convexity for the tail
- Multi-chain: Trade on Solana, Base, Arbitrum, Optimism, or Polygon
- Dual trading mode: K-Points (regulatory-compliant) or USDC (crypto)
- On-chain settlement: Transparent resolution with multiple oracle types
- Telegram Bot: Portfolio tracking, price alerts, and push notifications
- Referral Program: Earn commissions by inviting friends, share positions as images
Two sides of every market
| Side | Who | Goal |
|---|---|---|
| 90% (Carry) | Market makers, yield seekers | Stable insurance-like premium from Vig |
| 10% (Tail) | Degens, hedgers | 10x+ asymmetric returns on black-swan events |
Quick start
- Visit app.fattailmarkets.com
- Create an account and choose your persona (Tail or Yield)
- Deposit via K-Points, USDC (crypto wallet), or fiat (MoonPay)
- Browse available markets
- Take a side — carry (90%) or tail (10%)
- Share your positions as images with your referral code
- Wait for resolution and collect winnings
Supported Chains
| Chain | Network | Token |
|---|---|---|
| Solana | Devnet | USDC (SPL) |
| Base | Sepolia | USDC (ERC-20) |
| Arbitrum | Sepolia | USDC (ERC-20) |
| Optimism | Sepolia | USDC (ERC-20) |
| Polygon | Amoy | USDC (ERC-20) |
Trading Modes
K-Points (KP)
K-Points are the platform’s non-monetary point system. They allow participation without direct cash exposure, navigating regulatory requirements.
USDC Mode
Connect a crypto wallet (Phantom for Solana, MetaMask/Rabby for EVM chains) and trade directly with USDC. Deposit and withdraw across all 5 supported chains.
Fiat On-ramp (MoonPay)
Purchase USDC with credit card or bank transfer through MoonPay integration. Supports all chains.