IN THE FIELD GUIDE
Oddsightseer
oddsightseer.com
OddSightSeer is a sports betting odds comparison tool that aggregates lines from over 20 sportsbooks and exchanges, providing de-vigged fair lines and true expected value percentages. It offers tools for straight bets, player props, arbitrage, middles, and a projections lab, with automatic bet grading and stake sizing based on Kelly criteria.
THE PRODUCT, BEYOND THE PITCH
Editorially reviewed · Sources checked Oct 10, 2026
A good fit for
- Sports bettors who want to compare odds across multiple sportsbooks and DFS apps to find value and optimize bet sizing.
Know the limitations
- Not a sportsbook; does not accept bets or handle transactions directly.
What you can do
- Finding +EV bets by comparing real sportsbook prices to a de-vigged fair line weighted by sharp books.
- Comparing player props and DFS app pricing to identify value across multiple sportsbooks and DFS platforms.
Features
- Odds comparison across 20+ sportsbooks with de-vigged fair lines and true EV%.
- Player props pricing including DFS apps like PrizePicks, Underdog, Pick6 and Sleeper priced the way they pay.
- Slip builder with Kelly stake sizing for each leg and the whole bet.
- Arbitrage tool showing opposite prices across 34 books that sum to under 100%, with stake sizing and exchange leg pricing.
- Middles tool pricing every window with cost, payout, and landing probability including key numbers.
Integrations
Not confirmed yet.
Platforms & data export
Not confirmed yet.
THE COST FOR YOUR TEAM
Go beyond the starting price.
Published plan prices for your team size and usage. Results update as you type. Taxes, currency conversion and unlisted add-ons are excluded, and anything the source did not state is called out rather than guessed.
Cheapest fit for 1 person, all 1 tools
$25.00/month
$300.00 a year on these plans.
| Tool / plan | Monthly | Per year | What this assumes |
|---|---|---|---|
GoldCheapest fit Flat subscription | $25.00 | $300.00 | Automatically extracted from the linked pricing source. Seat allowances, usage limits, taxes and terms are not confirmed — check them with the provider. |
Platinum Flat subscription | $40.00 | $480.00 | Automatically extracted from the linked pricing source. Seat allowances, usage limits, taxes and terms are not confirmed — check them with the provider. |
A practical workflow
- Strip the vig from both sides of every market using a power de-vig method to get a fair 50/50 line.
- Weight sportsbooks by sharpness, giving more influence to sharp books like Pinnacle, Novig, and ProphetX.
- Compare the user's line to the fair line to calculate the EV%, showing the edge as a number rather than just a label.
Based on the sources below. Editorial review does not imply hands-on product testing.
Alternatives to explore
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