Kalshi Beats the Books on NFL Totals, Loses to Fanduel on Moneylines

An Edge Built connected Totals, Measured Before Fees

Jordan Bender and Isabelle Slavin of Citizens JMP Securities tracked pre-game pricing connected the Friday day earlier NFL Week 1, covering moneylines and over/unders crossed 28 information points astatine Fanduel, Draftkings and Kalshi. Their header was that the speech won: Kalshi’s implied vig came successful astatine 4.32%, beneath Fanduel’s 4.44% and Draftkings’ 4.51%. A twelvemonth ago, Kalshi trailed some by 30 to 40 ground points for the afloat NFL season.

On crippled outcomes, Fanduel charged 4.08% and Kalshi 4.14%, with Draftkings 3rd astatine 4.31%. On over/unders, Kalshi charged 4.50% against Draftkings’ 4.71% and Fanduel’s 4.80%. The 4.32% header fig is the consecutive mean of Kalshi’s two, meaning the exchange’s vantage is simply a totals advantage. The 4.84% fig being cited arsenic past season’s Kalshi implied vig reflects a full-season mean crossed 17 weeks; its Week 1 2025 terms was 5.31%, making the like-for-like betterment 99 ground points alternatively than 52.

Kalshi does not physique a borderline into the terms the mode a sportsbook does; it charges a transaction interest connected the commercialized instead. Citizens reports this interest separately, astatine an mean of $1.62 per 100 contracts crossed the markets tracked (1.6% connected outcomes and 1.8% connected over/unders successful Week 1). The vig examination for parlays is stated to beryllium “before accounting for transaction fees.” The enactment does not accidental the aforesaid for the single-event figures, but thing successful it indicates otherwise, and erstwhile Citizens antecedently ran this workout successful September 2025, it compared the 2 venues with fees included and concluded Kalshi was much expensive. On this year’s numbers, adding the interest would enactment Kalshi supra some books connected some stake types.

Combos oregon parlays amusement an adjacent wider gap, arsenic Kalshi’s combo vig was 23.8% against 22.0% astatine some sportsbooks, calculated crossed 14 information points by averaging the implicit and the favourite successful each game. Both sides improved connected past play (Kalshi from 25.9%, Fanduel from 24.4%, Draftkings from 25.0%) but the books improved faster. The dispersed against Fanduel went from 150 ground points to 180. Bender and Slavin are watching whether Kalshi’s instauration of a combo market-making interest successful August moves spreads – in August, the exchange’s ain published docket did not database this adjustment.

Citizens frames the inclination arsenic self-reinforcing, arguing that higher volumes, deeper information and contention among liquidity providers tighten spreads, which attracts much trading, which tightens them further. Kalshi acceptable consecutive regular records implicit the play astatine $2.426 cardinal and $2.433 billion, taking more than $32 cardinal successful fees crossed the 2 days, with parlays accounting for much than fractional the total. Takers mislaid $2.1 cardinal earlier fees connected Sunday and $15.2 cardinal after; connected parlays, it was $200,000 earlier fees and $4.1 cardinal after.

Citizens besides argues that cannibalization of regulated sportsbooks “is not getting worse and whitethorn beryllium easing,” that wallets are splitting alternatively than switching, and that Kalshi is “primarily attracting a cohort of players who whitethorn different wager connected offshore books.” That is the other of the lawsuit the American Gaming Association made this period erstwhile it forecast the archetypal level NFL betting season since 2018 and blamed prediction markets for it.

Part of the discourse of this investigation is that Citizens JMP rates Draftkings, Flutter, PENN and Rush Street Market Outperform and MGM Market Perform. It makes a marketplace successful 4 of the five, and it has received investment-banking compensation from Draftkings and MGM successful the past 12 months. Citizens JMP was manager oregon co-manager of nationalist offerings for PENN and Rush Street successful the aforesaid period, and states that it expects to question investment-banking compensation from each 5 wrong the adjacent 3 months. Its decision is that betting exchanges “do not correspond a competitory menace to the profitability of existing operators,” naming each of them.