American football betting with Bitcoin and crypto
American football betting with Bitcoin on OVERDOG means backing NFL and college football markets — the Super Bowl, the College Football Playoff, weekly point spreads and totals — at prices pulled straight from the Polymarket exchange, set by traders with no bookmaker margin. You fund in Bitcoin or another supported coin, bet with no identity check, and settle on-chain.
The live board above shows what's in play right now. American football is seasonal: through the NFL season and the college bowl run the board fills with moneyline, spread, total and player-prop markets; in the summer offseason it narrows to season-long futures like the Super Bowl and national-championship winner. Below is the durable picture — which competitions you can bet, what each bet type means, and how betting American football on Polymarket through OVERDOG works.
Betting is entertainment, not income — stake only what you can afford to lose.
What can I bet on? NFL, college football and the Super Bowl
OVERDOG's American football board covers the two pillars of the American game — the professional NFL and college football's top programs — plus the marquee season-ending events, priced as live exchange markets rather than fixed bookmaker lines.
NFL — the professional game
The National Football League anchors American football betting, week to week and into January's playoffs. Its perennial contenders carry the board — the Kansas City Chiefs behind Patrick Mahomes, the Philadelphia Eagles with Jalen Hurts and Saquon Barkley, the Buffalo Bills behind Josh Allen and the Baltimore Ravens with Lamar Jackson, alongside the Detroit Lions, San Francisco 49ers and Seattle Seahawks. Every NFL game opens moneyline, spread and total markets once the season is live.
College football and the Playoff
College football's postseason runs through the twelve-team College Football Playoff, and its blue-blood programs drive the outright board — the Ohio State Buckeyes, Georgia Bulldogs, Texas Longhorns, Alabama Crimson Tide, Michigan Wolverines, Oregon Ducks and Notre Dame Fighting Irish among them. The Southeastern Conference and Big Ten supply most of the contenders, and the national-championship winner trades as a futures market year-round.
The Super Bowl and the playoffs
The Super Bowl is the single biggest betting event on the American calendar, and its winner market trades from the opening of the season through the February final. Alongside the championship futures sit the AFC and NFC conference titles and the division winner races. The dedicated Super Bowl board carries the full outright slate, linked below.
American football bet types
Here is what you can bet on OVERDOG's American football board once games are live, from the point spread to the anytime touchdown scorer — each one a market priced by the order book, not a fixed bookmaker line.
Point spread (handicap)
The point spread is the signature American football market: it hands the favourite a points deficit and the underdog a head start, so a team at -3.5 must win by four or more to cover, while +3.5 covers the underdog even in a field-goal loss. Because scoring comes in field goals and touchdowns, key margins like a three- or seven-point result shape where the line sits.
Over/under (game totals)
Totals, or over/under, ask whether both teams' combined points finish above or below a line such as 44.5, regardless of who wins. A game between two strong offenses tends to price over; a defensive matchup or bad weather pushes it under. Team totals narrow the same idea to one side's points.
Moneyline (game winner)
The moneyline is the straight bet on which team wins the game, with no spread attached — you simply back the winner. Favourites pay a shorter price and underdogs a longer one, and unlike soccer there is no draw to price, so it settles as a two-way market on the final result including overtime.
Player props and specials
When the season is live the specials section fills with player and team markets — an anytime touchdown scorer, a quarterback's passing-yards line, a running back's rushing total, first-half and quarter lines, and team totals. These sit alongside the core game markets and settle on the official box score.
Super Bowl and season-long futures
Futures price a whole season rather than a single game — the Super Bowl winner, the AFC and NFC conference titles, division winners and college football's national champion. These outright markets are the part of the board that stays live through the offseason, and settle only when the trophy is decided. The full Super Bowl winner market sits on its own futures board, linked below.
How to bet American football with crypto on OVERDOG
Betting American football with crypto on OVERDOG is crypto in, crypto out — the trading in between happens in a dollar-denominated unit:
1. Deposit a supported coin — Bitcoin, Ether, USDT, USDC, SOL or BNB — with no identity check. It converts to Polymarket's US-dollar stable unit on Polygon (about 1:1 with the dollar), the unit every position is priced, traded and settled in.
2. Pick an American football market from the live board — a spread, a total, a moneyline or a futures winner — and buy shares in the outcome you want at the exchange price. The cost is a flat 1% OVERDOG fee plus Polymarket's own fees, shown together before you commit — there is no separate bookmaker margin and no promotions.
3. When the game or season resolves, each winning share redeems for one dollar on-chain, and you withdraw back to crypto. There are no cards or bank transfers.
Betting American football on Polymarket with OVERDOG
OVERDOG is an access layer to the Polymarket exchange, not a bookmaker. When you bet American football here, your order routes to Polymarket's real order book — you just get a betting-terminal experience over it, with crypto funding and no account gates.
No vig — real order-book odds
Every American football outcome trades as a share that settles at one dollar if it happens and zero if it does not, so the price reads directly as the market's implied probability. Because those prices come from an order book rather than a bookmaker's spreadsheet, there is no margin — no vig — baked in. It describes the price only; it never implies a bet will win.
Winners are never limited
There is no house taking the other side of your bet, so there is no book to protect. Betting well never gets your account limited or closed — a structural contrast with sportsbooks, which routinely restrict winning American football bettors.
No-KYC, your custody
You deposit and withdraw in crypto with no identity check, and you can export your wallet and withdraw anytime — we can't freeze you. Settlement runs on-chain via Polymarket on Polygon, where every resolution is publicly verifiable.