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Market tools / Put the maths to work

Same sport.
A different angle.

Your sports knowledge gets more useful when you can examine the price. Compare sportsbooks, inspect the calculation and understand the outcomes before committing a stake.

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TAKE YOUR RESEARCH WITH YOU

Free to download. Membership required for full access.

REAL PRODUCT. INTERACTIVE WALKTHROUGH.

Try three ways to read the market.

Switch between +EV, Arbitrage and Middles. Compare prices, inspect the stakes and move the middle's result.

THE HATERPICKS MARKET TOOLS

Find value across
the market.

See the price that stands out, the reason it was flagged and what each outcome would return. All in the same workspace as your player research.

HATERPICKS / MARKET TOOLSExample board · illustrative prices
NBA · US sportsbooks

Market +EV

Choose a bet to inspect it
Bet · gameBooksFairBestEdgeStake
3-100+112+6.0%$13.40
3-104+108+6.1%$14.20
3+105+116+5.4%$11.60

Stake example: ¼ Kelly on a $1,000.00 USD bankroll. These are demonstration selections, not current betting advice.

The price matters. A bet can be good value at one sportsbook, and poor value at another.

GO BEYOND THE HEADLINE

Three strategies. Three different questions.

These tools are related, but they are not interchangeable. Expected value asks whether a price is attractive; arbitrage examines all covered outcomes; a middle looks at the overlap between two lines.

01

+EV: is the price worth taking?

Compare the offered price with an estimated fair price. Understand how the reference market or probability estimate was formed, then inspect the suggested stake. An estimate can be wrong, and an individually positive-EV bet can still lose.

Reference price · Margin removal · Estimated edge · Stake
02

Arbitrage: do the outcomes add up?

Inspect opposing prices and the stake split required to cover each outcome. The calculation depends on matching market rules and both bets being accepted at the shown odds; price movement, limits and void rules can change the result.

Matching markets · Opposing prices · Stake split · Payouts
03

Middles: what happens in between?

Compare overlapping lines and inspect the result if both sides win, only one wins, or a push applies. The attractive middle outcome needs to be considered alongside the cost of landing outside it.

Overlapping lines · Middle window · Outside outcomes
MAKE IT PART OF YOUR PROCESS

See an opportunity. Understand the arithmetic.

Explore the free calculators
  1. 01

    Compare like with like

    Check the player or event, market, line, side and settlement terms. Similar market names do not always mean identical bets.

  2. 02

    Inspect the assumptions

    Review the fair-value estimate for +EV, coverage for an arbitrage or the winning window for a middle. Try the outcome scenarios before deciding on a stake.

  3. 03

    Verify at the destination

    Confirm the available odds and accepted amount with each sportsbook. Recheck the calculation if a price changes or only part of a plan can be placed.

THE FEATURE IS JUST THE START

One membership.
Every angle.

Player research, a parlay builder, market tools and your own performance record. One account across your computer and phone.

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Or $12.95 / week. Same included toolkit.

Start free Compare weekly & monthly plans Free account: every NBA Assists and NFL Rushing Yards projection, every game, plus My Bets. Premium renews at the selected plan’s price until cancelled; cancel Premium any time. Store offers may differ.Hatelligence is a public preview. Live US selections are not included.
THE DETAILS, EXPLAINED

About +EV, arbitrage & middles.

Still looking for something?
Talk to HaterPicks

What does +EV mean?

Positive expected value means an estimated probability and offered price imply a positive average return over repeated comparable decisions. It depends on the probability estimate being sound; it does not mean a particular bet is likely to win or guarantees a profit.

How is arbitrage different from +EV?

An arbitrage calculation allocates stakes across complementary outcomes at different prices. A +EV calculation compares one offered price with an estimated fair value. Execution constraints, market rules and price changes matter even when the arithmetic looks favourable.

What is a betting middle?

A middle combines two opposing selections at different lines. There can be a range of results where both selections win, while results outside that range produce a different net outcome. The size of the window and the cost outside it both matter.

Can I try a calculation without a membership?

Yes. The public demo explains illustrative opportunities, and HaterPicks also provides free calculators for expected value, arbitrage, Kelly criterion and other calculations. The calculators and the member research feeds serve different purposes.

Are the opportunities on this page live?

No. The interactive showcase uses labelled examples to explain the interface and calculations. It is not a live feed, an executable price or a published recommendation.