Prediction Markets Quant

Use for "how does this price compare to history" and "is the market ignoring the base rate". Compares a market price with the historical base rate for a class of events: the gap in pp, a signal, and sample-size quality. Pass a known baseRateId (the parameter lists them) or your own baseRateValue.

Update a prior probability with one or more pieces of evidence using Bayes theorem. Given a prior and a list of evidence items (each with P(evidence | true) and P(evidence | false)), returns the posterior probability and the per-step chain. Use for "update my estimate with new information", "posterior probability", "how does this news change the odds".

Use for "where is it cheapest to buy", "Kalshi or Polymarket US for the Bears game" and "cheapest venue for the Georgia Senate race". The same contract on Kalshi, Polymarket US and Novig as the cost to buy one contract including each venue's taker fee, with the cheapest named. Sports games (team, league or matchup), 2026 midterm races (state, slug or district) or the next FOMC meeting. Ranked by price only.

Use for "is this contract mispriced" and "what is my edge". Give a Kalshi, Polymarket US or Novig price in cents and your own probability; returns the % expected-value edge and a BUY / SELL / SKIP read, with that venue's fee.

Use for "price a same-game NFL and NBA combo" and "is this combo worth it". Pass nflGame ("NYG-LAR", "Giants vs Rams") to list that game's Kalshi legs — moneyline, spreads, totals, player props — then legIds to price your pick with the correlation done for you. Or pass legPrices + trueWinProbability for a fair band; add offeredOdds for EV and a verdict. Free.

Use for "gold edge today" and "oil or bitcoin trade signal". The Kalshi daily gold, silver or WTI strike, or hourly bitcoin strike, with the largest PMP model edge, as a ticket: side, entry price, resolve criterion, model probability, edge, tier and quarter-Kelly size. Pass tickers[] to check a watchlist. Pro — sign in with PredictionMarketsPicks, or a Pro API key.

Convert between implied probability, American odds, and decimal odds. Give one value and its format and get all three back (American odds carry no commas, e.g. +441 or -200). Use for "what is +150 as a probability", "convert 62% to American odds", "decimal to implied odds".

Use for "any edge on Kalshi", "where is the edge today" and "weather trade signals". Our model alerts on Kalshi — weather, bitcoin/silver/gold/oil, mispricings — with feed, tier, side, price, model probability, edge and link. Real time with Pro; free is delayed 24h without the thesis. One identical, impersonal feed for every subscriber; filters only select. Informational, not investment advice.

Why our model prices one NFL game where it does: Kalshi price and market line, our win probability and its anchor, the model's lean in points, each team's offense/defense/special-teams rating, the QB gate, and the published position or why none. Use for "why do you price <team> vs <team> there", "explain the <team> game line".

Why The Ladder reads one NFL strike ladder (a game spread, a season win total or a player prop) the way it does: the read in words, where Kalshi's ladder centres beside our projection, the widest published gap, and each strike with Kalshi's price and our number (30–70% only). Use for "explain the Chiefs win total ladder", "why does the ladder lean Browns".

Why our model prices an NFL player's Kalshi prop strikes where it does this week: the projection, The Ladder's verdict, the widest published gap, and what the model does not account for (our number only where calibrated, 30–70%). Use for "why do you price <player> there", "explain <player>'s prop".

Why we publish a call on one NFL player prop this week: the contract, the YES/NO call and Kalshi's price, our tier (and calibrated odds where measured), our projection vs the threshold, published or held at WATCH and why, and what the model does not account for. Use for "why do you like <player>'s over", "explain the <player> prop".

Use for "will the Fed cut, hold or hike" and "next FOMC meeting odds". Live Kalshi odds for each remaining 2026 FOMC meeting: the next meeting's full strike breakdown and days-until, the rate path, the current fed funds rate, and a next-meeting cross-venue check against Polymarket and CME futures, with the gap in pp.

Use for "what is the ETH 15-minute market doing" and "which Kalshi 15-minute markets are open". Every Kalshi 15-minute up-or-down series (crypto, metals, energy, FX): window status, YES price, close time, target, settlement source and the up rate over the last 96 windows; the same window on Polymarket international for BTC/ETH/SOL/XRP; and our live Bitcoin top-of-hour strategy with its record.

Use for "where is the arbitrage" and "Kalshi vs Polymarket price gaps". Cross-venue gaps on the same NFL, NBA, NHL or MLB game: Kalshi against Polymarket US (the exchange US traders use, fees included), Polymarket international as a reference. Gap in pp, WATCH/ARB signal, cheaper venue, settlement_match; near misses when nothing clears. Free: the top 3 gaps in full; Pro returns the whole board.

Compute the optimal Kelly position size for a Kalshi, Polymarket US or Novig contract. Given your win probability, the market price (which sets the payout), your bankroll, and a Kelly fraction (full / half / quarter / eighth), returns the dollar stake and a risk rating. Use for "how much should I stake", "what is my position size", "Kelly sizing for this trade".

Use for "is any NBA ladder mispriced tonight", "where can I make a market on Kalshi" and "does Novig or Polymarket US price this strike differently". Spread/total strikes priced out of order on Kalshi, Novig and Polymarket US across seven leagues — NFL, college football, NBA, NHL, men's college basketball, Premier League, Champions League: locked arbitrage, crossed-mid inversions on real two-sided books, wide books worth making a market in, and the same strike priced apart on two venues (cross = tradeable net of both venues' fees, gap = informational), with both ids and books, gross edge, liquidity, as-of and tier. Pro adds the resting orders, net-of-fee edge and quarter-Kelly size on Kalshi and Novig rows; Polymarket US rows are shown for information.

The US macro-health composite (0–100) and regime plus the six category scores (growth, labor, inflation, rates, liquidity, sentiment). Returns the composite, the regime call and 2 category scores without an account, 4 to a signed-in account, and all six with Pro. Use for "how is the US economy", "macro regime", "risk-on or risk-off".

Use for "show my fantasy team" and "what is Kalshi pricing my starters at". Give a Sleeper username (and a league name if you have several): your roster, each starter's opponent and kickoff, OUT and QB-gate flags, and every Kalshi prop strike on him this week with the best price per side. Market data; Pro adds our weekly projection.

Use for "Knicks moneyline on Kalshi vs the books" and "cheapest place for the Celtics spread tonight". Kalshi NBA moneyline, spread and total beside DraftKings, FanDuel, BetRivers, Fanatics, ESPN, Novig and ProphetX at the same line: the cheapest venue per side, Kalshi fee included. Market prices only, no model.

Use for "Embiid's out tonight — who benefits?" and "who's out in the NBA today". Today's NBA absences from the official injury report, and for each absent star the teammates whose minutes, points, rebounds, assists and usage rose in past games without him (last two seasons, sample size on every row), beside today's Kalshi prop prices. Questionable players fork into plays/sits branches until ruled. Historical splits only, no projection.

Use for "where is LeBron's points line cheapest tonight". Every Kalshi NBA player-prop strike (points, rebounds, assists, threes) beside DraftKings, FanDuel, BetRivers, Fanatics, ESPN, Novig and ProphetX at the same strike: the cheapest venue per side, Kalshi fee included. Market prices only, no model.

Use for "which NFL games are mispriced on Kalshi" and "NFL win total, MVP or Super Bowl edges". Our NFL model vs live Kalshi prices — this week's game positions, season win totals, MVP and championship odds: model probability, price, edge and side. tickers[] checks a watchlist (futures, mvp, championship). Pro — sign in with PredictionMarketsPicks, or a Pro API key.

Use for "where does the model disagree with Kalshi on the Rams spread" and "biggest ladder gaps this week". Every NFL strike ladder — spreads, season win totals, player props — with Kalshi's price at each strike beside our distribution and a SHAPE / LOCATION / PRICED / PARTIAL verdict. Our number is published only between 30% and 70%.

The PredictionMarketsPicks NFL power ratings — PWR for all 32 teams: points per game above an average team on a neutral field, where PWR = Off PR + Def PR + ST PR. Includes each team's rank and tier. Use for "best NFL teams by power rating", "NFL power rankings 2026", "is Baltimore overrated", "how good is Kansas City", "NFL team ratings".

Use for "where is the best price on <player> receiving yards" and "is Kalshi cheaper than the books". Best price on every NFL prop this week: Kalshi (fee included) vs five books (DraftKings, FanDuel, BetRivers, Fanatics, ESPN) and the Novig and ProphetX exchanges — the best price per side, how much cheaper Kalshi is than the books, the consensus gap, and the Kalshi close once a strike settles. Filter by team, game, player or stat.

Use for "best NFL props today" and "receiving yards prop value". Our projection vs the Kalshi "X or more" prop line: the contract, the YES/NO call, our odds and Kalshi's price for that side, the projection and the edge, with WATCH rows labelled. Live in season. Pro — sign in with PredictionMarketsPicks, or a Pro API key.

Use for "who wins Chiefs vs 49ers" and "what does a -7 spread mean". Pass homeTeam + awayTeam (or game, or one team) for our QB-gated model line (raw power ratings if unscheduled), or a spread (home favored negative). Returns win, cover and over/under probability, the projected score and our own total; neutral-site games get no home edge.

Use for "NHL predictions tonight" and "Stanley Cup odds". Tonight's NHL games on Kalshi — moneyline, puck line, totals, period markets — as Market · Model · Fair, starting goalies checked first. market=goals: anytime and first-goal contracts; market=futures: Cup, conference and division markets on Kalshi and Polymarket (international book) vs a 10,000-season sim. Free.

Use for "where does a 5x bitcoin long liquidate on Kalshi". Estimates a Kalshi perp's liquidation price and the % move to it from Kalshi's risk parameters (a 5x BTC long is about 8% away, not the 20% the 100÷leverage rule implies), plus fees and expected funding. An estimate; Kalshi's app shows the exact one. Assets: btc, eth, sol, xrp, doge, hype, link, gold, silver, platinum, palladium. Free.

Use for "Kalshi perps funding rate" and "how much leverage on Kalshi gold perps". Every Kalshi perpetual future: price, 24h volume, open interest, max leverage long and short, funding cadence, and what funding has cost a long since launch. Pass asset ("btc", "gold") for one.

One NFL player this week — every Kalshi prop line, the best price across venues, and our probability at each strike. Free. Use for "is <player> a good play this week", "<player> props".

Use for "who wins the Kansas Senate race" and "Michigan governor odds". Live Kalshi odds for one 2026 Senate, governor or competitive House race, by state, code, slug or district ("TX-34"): every leg's price, volume and link, the seat holder and rating, forecaster bands, and the race page. Prices are never estimated.

Use for "2026 Senate map" and "which Senate seats are toss-ups". Every 2026 Senate seat: holder and role, structure rating, forecaster bands where tracked, and the live Kalshi price (Democrat win probability where provable), closest race first, with a page URL per seat. Prices are never estimated — an unpriced seat returns null.

Every NFL player whose Kalshi prop price our model disagrees with this week, ranked, marked underpriced or overpriced with the stat driving it. Free, the complete list. The strike, price and size are in Pro nfl_prop_edge. Use for "undervalued players this week", "who is the market overpricing", "sleepers this week", "busts to avoid this week".

Use for "should I start Nacua or Adams" and "who does the market like more this week". For 2–4 players: the median Kalshi is pricing for each stat (read off his own strike ladder) and his anytime-TD price, compared on the stats they share. Market prices only — the call stays yours; Pro adds our weekly projection. Example: {"players": ["Puka Nacua", "Davante Adams"]} or {"players": "Nacua, Adams"}; more than four names compares the first four.

Paste a prediction-market trade history (or just trades, wins and average price) and get whether the edge is statistically real, how many trades would prove it, and where it leaks. The verdict reads net per dollar staked after fees, never a pooled win rate, with the bar raised for every strategy version tried. Accepts positions, a CSV, or Kalshi's realized P&L export (lots are grouped into positions). Nothing you paste is stored.

Use for "how accurate is your model" and "what's your track record". Every graded PredictionMarketsPicks signal per engine (bitcoin, gold, silver, oil, weather, NHL) and the daily editorial call (POTD): W-L, net P/L, a 95% win-rate range and the current model era, and the NFL model's 2026 live record (published game positions and prop PLAYs) beside its backtest. WATCH calls are reported apart.

Use for "who is everyone adding off waivers" and "trending waiver adds this week". Sleeper's most-added players in the last 24 hours with what Kalshi is pricing each at this week; pass position, and a Sleeper username + league to see only players still available. Market data only.

Use for "Kalshi NYC high temperature odds". Every open Kalshi daily-high strike in 13 cities: YES price, settlement station and source, the strict-comparison rule, close time, and the NWS forecast high beside it. Pass city ("nyc", "KXHIGHCHI"). Market data only.

Use for "what will the Kalshi NYC high settle at", "has LAX already hit 75" and "which Polymarket temperature bucket is winning". Per station: the running max under each venue's settlement rule (Kalshi and Polymarket US on the NWS Climate Report; Polymarket.com on routine METARs), the observation that set it, the next report countdown, the strikes already decided and the official high once it lands. Pass station ("la", "KLAX"). Settlement data only, no picks.