Which platforms provide odds for the December 2025 election?
Executive summary
Prediction markets and sportsbooks that publish odds for U.S. elections in December 2025 include decentralized crypto markets like Polymarket, regulated event exchanges such as Kalshi, comparison/aggregation sites like Oddschecker and OddsShark, and media trackers (e.g., ElectionBettingOdds) that display live odds drawn from those markets and sportsbooks [1] [2] [3] [4] [5]. Reporting shows these platforms differ on accessibility, legal status, and data formats — Polymarket is crypto-based and has had regulatory scrutiny, Kalshi is a regulated exchange, while traditional sportsbooks and aggregators also list political futures [6] [2] [7].
1. Platforms you’ll see most often: established prediction markets and exchanges
Polymarket is described as “the world’s largest prediction market” and runs election markets where traders buy and sell contracts tied to outcomes; it’s repeatedly cited as a go-to source for live political odds [1] [8]. Kalshi bills itself as a regulated exchange for event contracts and explicitly offers political event contracts that let users “buy and sell” outcomes, making it a prominent venue for election betting where it operates within U.S. regulatory frameworks [2]. ElectionBettingOdds aggregates and visualizes odds from markets and sportsbook lines in near–real time, presenting updated probabilities and market breakdowns for election-related markets [5].
2. Sportsbooks and odds aggregators: the traditional route
Major sportsbook trackers and gambling-information sites publish political futures alongside sports lines. Oddschecker and OddsShark compile and display the latest political odds from multiple bookmakers, making it simple to compare lines across sportsbooks; Oddschecker explicitly lists “politics” markets and finds odds for U.S. election markets, while OddsShark explains how different sportsbooks set varying political futures lines [3] [4] [9]. Covers and other sports-betting outlets also publish presidential and political betting odds drawn from bookmakers such as bet365 [7].
3. Media and analytic coverage that amplifies market signals
Mainstream outlets and trade press use prediction-market prices for narrative and analysis. Politico and Forbes have reported on how markets like Polymarket and Kalshi reacted to news events and how those markets can move faster than polls; Politico highlighted markets’ rapid price moves during election nights and debates, and Forbes cited Polymarket and Kalshi odds in reporting on 2025 races [10] [11]. Visualizations and trackers (e.g., Visual Capitalist, ElectionBettingOdds) repackage market-implied probabilities for public consumption [12] [5].
4. Legal status and access: a critical caveat
Not all platforms are equally accessible to U.S. residents. Polymarket historically used cryptocurrency and faced CFTC scrutiny that limited U.S. access at times, a regulatory history noted in academic coverage that also flags demographic biases tied to crypto users [6]. Kalshi positions itself as regulated U.S. exchange, and several news and betting outlets note the changing landscape where politics markets have become more available in recent years — but state-by-state rules still matter [2] [13]. FederalNewsNetwork notes integrations (e.g., PrizePicks with Kalshi) and says prediction markets are available in many U.S. states, while also listing Kalshi, Polymarket, Robinhood, and PrizePicks as leading options [14].
5. Strengths and limits of market odds versus polls
Academic and journalistic sources argue markets are fast and can incorporate breaking information more quickly than polls, sometimes outperforming polls in short-term accuracy; Politico documented markets’ quick responses during election nights and debates [10] [6]. But researchers warn of participant skews — for example, crypto-based markets may overrepresent crypto owners (a demographic tilt) and past markets have misestimated outcomes (2016, 2022 examples cited by the BBC), so odds are informative but not definitive [13] [6].
6. Practical tips for following December 2025 odds
Use a mix of sources: check Polymarket for contract-level trading, Kalshi for regulated U.S. contract prices, and aggregator sites like Oddschecker or OddsShark to compare sportsbook futures [1] [2] [4] [3]. For a quick live snapshot, ElectionBettingOdds consolidates market prices and displays minute-by-minute updates [5]. Keep legal/access limits and platform differences in mind — available sources flag regulatory histories and demographic biases that affect interpretation [6] [13].
Limitations: my summary draws only from the provided set of sources and does not attempt to list every niche exchange or bookie; other platforms may also publish December 2025 election odds but are not covered in the current reporting (not found in current reporting).