Beat the Books with Data
Parlay Genie identifies the sharpest +EV player props before the lines move. Built for serious bettors who want a real edge.
FS Parlay Genie is a subscription-based sports betting analytics platform that aggregates real-time odds from licensed US sportsbooks, calculates fair market values using proprietary de-vigging algorithms, and surfaces actionable insights including +EV plays, optimal promo conversions, and arbitrage opportunities. We do not accept wagers and are not a sportsbook. Information and tools only.
Today's Top Plays
A live look at the optimizer — only premium members see every play.
↓ Plans below
The +EV Edge
DFS apps like PrizePicks and Underdog use fixed payouts: hit your pick and you win, miss and you lose. That means every pick has a flat 50% breakeven. If the real probability is higher than 50%, you have positive expected value.
Parlay Genie reverse-engineers consensus probability from 7+ major sportsbooks using de-vig math. When the books say a player has a 56% chance to go Over their points line — but the DFS line is the same — that's a 6% edge in your pocket.
A simple color system for instant decisions
Every play is color-coded by edge size. Spot the strongest plays at a glance — no spreadsheet required.
Gold
Premium edge. Anchor plays for every slip.
Green
Strong edge. Reliable secondary picks.
Light Green
Slight edge. Use sparingly for flex builds.
Every play, explained
Each row is dense with information. Here's what each column means.
- Player + Game: Who, what teams, sport, and live status.
- Stat & Line: The market and DFS line (e.g., Points 16.5).
- % Chance to Hit: Consensus probability — the headline number.
- Per-Book Odds: Each sportsbook's Over / Under / line. Watch for sharp line movement.
Building your slips
DFS apps reward consistency. Two slip structures dominate.
5-Man Flex
Hit all 5 → 10×. Hit 4/5 → 2×. Hit 3/5 → 0.4×. Best with mostly Gold + Green plays.
6-Man Flex
Hit all 6 → 25×. Hit 5/6 → 2×. Hit 4/6 → 0.4×. Higher upside, less margin for error.
From the sharps
Three habits separate winning bettors from everyone else.
Daily use
The edge erodes fast. Check the optimizer every day, ideally a few hours before tip-off.
Act fast
Public bettors close the line. Gold plays at 8 AM are often Green by noon.
Trust the data
Recency bias is the enemy. The math has no memory of last night's bad beat.
Choose your edge
Cancel anytime · No credit card required for Free
All plans include the full calculator suite, no usage caps, and cancel-anytime billing. Questions? Hop in the Discord.
Billing terms: Subscriptions auto-renew at the end of each billing period (monthly or annual) until cancelled. You can cancel anytime from your account settings — you'll keep access through the end of your current billing period. All sales are final, no refunds. By subscribing you accept our Terms of Service, Privacy Policy, and Cancellation & Refund Policy.
Betting Calculators
Arbitrage Bets
Guaranteed-profit opportunities across major sportsbooks. Sorted by ARB % (high to low).
Promo Genie
Convert sportsbook promos into guaranteed cash with optimal hedging.
Sportsbook Screen
Live multi-book odds comparison. Best odds highlighted in green.
Deposit Optimizer
Spread your bankroll across the right books to maximize bet coverage and signup bonuses.
Split your bankroll across these books for more bets and fewer limits.
Plus unlock up to $1,540 in signup bonuses.
Your Account
Manage your subscription, billing, and access.
Admin Panel
User accounts, subscriptions, and manual tier overrides.