Practice crypto investing without risking real money.
Winter Pi is a free crypto paper-trading simulator. Buy and sell coins with $100K of fake money, watch prices drift live, and learn how professional quant metrics like Sharpe ratio and drawdown actually work.
Simulated data . not real markets
WINTERPI://PORTFOLIO
NAV
$104,213
Return
+4.2%
Positions
3
$100K
Starting cash
fake money, real learning
16
Coins tracked
L1 . L2 . DeFi . AI . Meme
Live
Price updates
simulated drift every 3s
Free
Cost
forever, no signup
What's inside
Learn the tools pros use - without losing money figuring them out.
Live Paper Trading
Buy and sell 16 crypto assets with fake money. Prices drift in real time. Your portfolio saves in your browser.
Portfolio Health
Hover any metric to learn what it means. Sharpe, drawdown, beta, volatility - explained in plain English.
Strategy Lab
Test trading strategies against historical patterns. Compare results side by side.
Trade Journal
Every trade auto-logs with your reasoning. Review your process, spot your patterns, improve over time.
Simulation only . no real capital at risk
Start paper trading. See if you'd make it as a quant.
WINTER PI . BUILT BY JAMES LEE . STROUDSBURG, PA . SIMULATION ONLY