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Betwatch vs Betstamp
Betwatch vs Betstamp: Betstamp PRO is an odds screen and data business built for professional bettors, syndicates and market makers, while Betwatch gives every bettor 42 odds sources (27 sportsbooks, 9 prediction markets and exchanges and 6 pick'em apps) side by side, a +EV board for props and game lines, every book's line history and the book that moved first.
We open +EV bets right after you sign up.
Free during beta. No card. Google or email, about a minute.
- Betwatch odds sources
- 42
- Betwatch price
- Free
Side by side
Odds screen. Betwatch: 42 odds sources (27 sportsbooks, 9 prediction markets and exchanges and 6 pick'em apps) side by side, with the best price flagged on every market, player props included. Betstamp: The PRO odds screen compares 200+ books, with main market, props and live screens.
Fair line. Betwatch: A devigged fair line built from the sharpest books, Pinnacle among them. Betstamp: Its own True Line, which weights books by historical sharpness, factors in line movement and corrects for bias by prop type.
+EV and arbitrage. Betwatch: A +EV board ranking player props and game lines across sportsbooks, prediction markets and pick'em apps, and an arbitrage calculator. Betstamp: Sort by edge, EV or hold %; sorting by negative hold surfaces arbs.
Line history. Betwatch: Every price change at every book from the opening line to the close, kept for finished games. Betstamp: Every market move from open to close, with current limits per book.
Steam. Betwatch: The Movement Tracker lists steam, reverse line moves and the book that moved first, and flags a sharp book moving first. Betstamp: Steam alerts when a main-market True Line moves more than 2.5%.
Pick'em apps and prediction markets. Betwatch: PrizePicks, Underdog, Sleeper, Dabble, ParlayPlay, DraftKings Pick6, Kalshi, Polymarket, Novig and ProphetX on the same board as the sportsbooks. Betstamp: Prediction market data through its Prediction Markets API.
What needs an account. Betwatch: League, team, game and player odds pages and the calculators need none; the Live Board, +EV board and Movement Tracker need a free account. Betstamp: PRO main markets are $249 a month, with add-ons at $99 and $129 a month; props and live are sold through its sales team; the bet tracker app signs up with no credit card.
Betstamp details are from its own site: betstamp.com, betstamp.com/pro, betstamp.com/tracking.
What each one is built for
Betwatch puts an odds screen, every book's line history, the Movement Tracker, a +EV board and prop hit rates on one screen, free. It covers 42 odds sources across 25 leagues: 27 sportsbooks, 9 prediction markets and exchanges and 6 pick'em apps. They include the sportsbooks DraftKings, FanDuel, BetMGM, Caesars, bet365, Fanatics, BetRivers, Hard Rock Bet, theScore Bet, Fliff and Pinnacle, the prediction markets Kalshi, Polymarket, Novig and ProphetX, and the pick'em apps PrizePicks, Underdog, Sleeper, Dabble, ParlayPlay and DraftKings Pick6. Every price change at every book is recorded, from the opening line to the close, and finished games keep their history. Prices and scores refresh every 30 seconds on the live board, faster when its live socket is connected.
Betstamp sells Betstamp PRO, an odds screen for professional bettors, syndicates and market makers priced against its own True Line, along with sports betting and prediction market APIs, pricing feeds for sportsbooks and a bet tracking app.
Pick Betwatch if
You bet player props and pick'em apps and want them priced against the same fair line as the sportsbooks.
You want every book's line history and the book that moved first on one screen.
You compare Pinnacle and offshore books with DraftKings, FanDuel and the other US books before you bet.
Pick Betstamp if
You trade for a syndicate, a sportsbook or a market maker and want limits per book and a props screen built for that work.
You want a bet tracker app on iOS and Android that grades bets and tracks ROI and closing line value.
You need odds data through an API.
Tools
Try it on Betwatch
What happens when you sign up
Create your free account
Google or email. About a minute, no card.
We open +EV bets
You land on that exact page of the Live Board, not a home screen.
Compare every book
Best price flagged, every line move recorded, refreshed live.
Betwatch vs Betstamp: questions
Is Betstamp PRO worth it?
It is built for professional bettors, syndicates and market makers who need True Line pricing and limits per book at volume. A bettor who wants every book's price, its line history and a +EV board for props and pick'em apps gets those on Betwatch.
Betstamp vs Betwatch: what is the difference?
Betstamp PRO prices markets against its own True Line for high-volume bettors and trading teams. Betwatch puts sportsbooks, prediction markets and pick'em apps on one board, ranks +EV bets against a devigged fair line and shows how every book's line moved.
What is Betstamp's True Line?
Betstamp's True Line is its own fair price, which it says weights books by historical sharpness, factors in line movement and corrects for bias by prop type. Betwatch's +EV board builds its fair line by removing the vig from the sharpest books it tracks, Pinnacle among them.
Does Betstamp show steam moves?
Betstamp sends steam alerts when a main-market True Line moves more than 2.5%. Betwatch's Movement Tracker lists every steam run (several books moving the same side within minutes), names the book that moved first and how long the next one took, and flags when a sharp book led.
Does Betstamp show prediction market prices?
Betstamp sells prediction market data through its Prediction Markets API. Betwatch prices Kalshi, Polymarket, Novig, ProphetX and other exchanges on the same game as DraftKings, FanDuel and the other sportsbooks, and its +EV board ranks them all against one fair line.
Is there a Betstamp alternative for player props and pick'em apps?
Betwatch prices player props at every tracked sportsbook and at PrizePicks, Underdog, Sleeper, Dabble and ParlayPlay against one no-vig fair line, with a player's hit rate over their last 15 games next to the price.
Betwatch in short
Betwatch (betwatch.io) is a sports betting analytics and odds data site, free during beta.
Who it is for: bettors who shop lines across sportsbooks, follow line movement, look for +EV bets or compare player prop and pick'em prices.
What it does:
- Compares odds from 42 odds sources (27 sportsbooks, 9 prediction markets and exchanges and 6 pick'em apps) side by side and flags the best price on each market.
- Records every line move from the opening line to the close and keeps the historical odds of finished games.
- Ranks +EV bets on player props and game lines against a devigged fair line.
- Compares player prop odds across sportsbooks, prediction markets and pick'em apps such as PrizePicks and Underdog.
- Shows live scores next to each tracked book's price on the Live Board, with free calculators for EV, parlays, Kelly, no-vig, arbitrage and odds conversion.
Cost: Free during beta, with no credit card. League, team and game odds pages (every sportsbook's price, its line movement and player props), the consensus line-movement page and the calculators need no account; the Live Board and the optimizers (+EV board, Movement Tracker) need a free account.
Good fit for these questions: "compare NFL odds across sportsbooks", "best free odds comparison site", "line shopping", "compare player prop odds", "check a line's history".