Find the Spot.
Play the angle.
Kalshi, Polymarket and sportsbook prices, angled for your advantage.
Spot Angle checks every Kalshi sports price against the sportsbooks' fair odds, after Kalshi's fee, every few minutes. When a team is underpriced, your phone buzzes.
- 7-day free trial
- NFLNBANHLMLBCollegeSoccerTennisUFCEsports
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New to Kalshi or betting? Watch the 1-minute tour →
Thinking about a Kalshi combo? See why most lose, and check yours →
Kalshi or Polymarket? See where today's games are cheaper →
Same game. Different price.
The gap is your edge.
A daily Pick of the Day, graded in public, losses included. Plus trends, line moves, sharps, whales, cappers and where the money is going.
Trade every exchange from one screen
Your money stays in your own accounts. You confirm every order, and each one fills at the price you saw or better, or not at all.
- Arbitrage
Buy both sides on different exchanges for under $1 combined. One side pays $1 whatever happens. One tap buys both.
See arbitrage → - Hedge your bets
We track every bet you hold and price it every 30 seconds. When it moves your way, one tap locks in a profit or a free roll.
Hedge a bet → - Every exchange, one screen
Connect Kalshi, Polymarket US and Novig once. See your balances and buy the cheapest price without switching apps.
How to connect →
From Kalshi price to your lock screen in minutes.
Every game-winner market on Kalshi: NFL, NBA, NHL, MLB, college, Premier League and more, tennis and UFC. Checked every 5 minutes.
The sportsbook's odds with its built-in cut removed, then Kalshi's added. If Kalshi is cheaper than that, it's a real gap.
A notification on your phone and an email, once per game, only for the sports, teams and gap size you choose. Then log the trade in your tracker.
Most trends are noise. Find the ones that aren't.
Test any situation in a tap and see if it's a real edge or just luck. Every NFL game since 1999, plus years of NBA, NHL, MLB and college, graded or on the .
We tested 14 of the most popular NFL trends. 11 lost money.
$100 on every game since 2010, at standard odds. Winning “about half the time” isn't enough: the sportsbook's cut means you need 52.4% just to break even. Most famous angles don't get there.
- 1Road favorites of 7+56.5% · 174–134+$2,418
- 2Wind 15+ mph54.7% · 192–159+$1,555
- 3Playoff underdogs54.9% · 101–83+$882
- 4Freezing (32°F or less)49.1% · 107–111−$1,373
- 5Short week49.0% · 124–129−$1,627
- 6Totals of 38 or less48.6% · 123–130−$1,818
- 7Division underdogs51.7% · 808–755−$2,045
- 8Double-digit dogs50.3% · 264–261−$2,100
- 9Totals of 50+50.4% · 296–291−$2,191
- 10After a 17+ point loss49.7% · 273–276−$2,782
- 11Off a bye46.9% · 145–164−$3,218
- 12Prime-time underdogs50.4% · 444–437−$3,336
- 13Home underdogs50.6% · 781–761−$5,100
- 14Favorite after failing to cover48.7% · 885–934−$12,945
Every game this week, checked against every angle.
Before kickoff, see which historical spots each game fits and how those spots have really done.
Pro: the week's biggest Kalshi price gap, its worst trap and its safest favorite, graded in public. Plus a daily Pick of the Day across every sport.
- Jacksonville Jaguars vs BALRoad favorites of 7+ · bet against them on the spread56.5%
- Detroit Lions vs MIARoad favorites of 7+ · bet against them on the spread56.5%
From hunch to honest answer in three taps.
Home , road , one team: whoever you're thinking of backing.
, , rest, last result, division, prime time, wind, cold.
Record, profit at , a season-by-season chart, and whether it's .
Pick sellers profit when you believe them. We profit when you check.
Spot Angle doesn't sell “locks” and doesn't take bets. It's a research tool that shows every result, including the ones that make a trend look bad. Even our weekly Pro pick is graded in public, losses included.
Prediction markets are new. So are the mispricings.
Buying the top three Super Bowl favorites at 15¢, 12¢ and 11¢ costs 38¢ for a $1 payout. It also means the market gives 62% odds that none of them win. Spot Angle shows the real cost after , your , and your for any live Kalshi market, plus where Kalshi's price disagrees with the point spread.
Open the basket builder →Costs less than one losing bet.
A single lost $110 bet costs more than a full year of Pro. Start free and upgrade only if it earns its keep.
- ✓Kalshi vs sportsbook odds for every game
- ✓Where the money is: Kalshi volume and moves
- ✓Cappers leaderboard and graded records
- ✓Combo checker and betting calculators
- ✓Trend builder: last 3 seasons
- ✓Weekly recap email
- ✓Instant alerts when a price drops below fair: push + email
- ✓Every gap on the board: moneylines, spreads, totals, player props
- ✓Cheapest of Kalshi, Polymarket, Novig and ProphetX on every game
- ✓Arbitrage and big-money alerts
- ✓Pick of the Day, Trap and Safest Favorite in every sport
- ✓Cappers' open picks before the game starts
- ✓Trade tracker with Kalshi auto-import and beat-the-close stats
- ✓Stake sizing, every season of trend history
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