01 — Paper Trading
Real markets. Zero risk.
Trade on live Kalshi prediction markets with virtual points. Every position, spread, and outcome is real — only the money isn't.
Now available on iOS
Get good without losing money.
You get 100 aura every month, will the aura gamble pay off?
0$real money needed
4+major sports leagues
LiveKalshi market data
How it works
Like a sportsbook. Minus the losses.
02 — Sports Focus
NBA, NFL, NHL, MLB — all in one feed.
Markets update in real time as games progress. No curated picks, no influencer noise. Just you and the odds.
03 — Challenges
Head-to-head competition.
Search any user and send a challenge — a points race or a single-market bet. The scoreboard settles itself when the market closes.
04 — Track Your Edge
Know where you're actually good.
Arena logs every trade and scores your accuracy by sport, market type, and time of placement. Stop guessing about your strengths.
Powered by Kalshi
Live markets, real outcomes.
Arena pulls live data from Kalshi — a regulated US prediction market exchange. Every market you trade on has a real binary outcome. No fantasy points, no synthetic spreads.
NBANFLNHLMLBPlayer PropsGame Lines
Start trading for free.
No deposit. No subscription required to get started. Download Arena and place your first trade in under two minutes.
Get Arena on iOS