Calculators / Guides
Prediction markets · combos · parlays · hedging

Prediction market guides for pricing and hedging

Short, worked-example guides on what any contract really costs, how fees change your break-even, and how to hedge, whether it's a game, a CPI print or an election. Start with the free one.

Delta Arc Markets guides
Free10-page PDF

The Combo Tax

What a prediction market combo really costs, why the quote hides it, and how to check any quote in about a minute.

  • The fair price of a combo, and how markup compounds per leg
  • Related legs, fees and your break-even hit rate
  • Expected value with your own read, and hedging the last leg
Get the free guide

Delivered by email. You'll also hear when new guides come out.

The Hedging Playbook cover
$19

The Hedging Playbook

Multi-leg hedging for prediction markets and parlays: cover and lock sizes, staged hedges with two legs open, what a hedge really costs, and limiting a loss. 16 pages with worksheets.

Buy for $19
Trade Journal and Hedge Planner cover
$29

Trade Journal & Hedge Planner

An Excel and Google Sheets workbook with a combo checker and hedge planner built in. It shows where you actually make and lose money: combos vs. singles, results by leg type, fees and hedge results.

Buy for $29
Pro Football Playoffs 2027 cover
$12

Pro Football Playoffs 2027

NFL playoff pricing and hedging, Wild Card weekend through the final: combos round by round, championship contracts priced as combos, and round-by-round hedges. 11 pages.

Buy for $12
The Championship Game 2027 cover
$12

The Championship Game 2027

Super Bowl LXI pricing and hedging: same-game combos priced as a range, halftime plans for full-game and first-half positions, live prices and props. 10 pages.

Buy for $12
Bracket Math 2027 cover
$12

Bracket Math 2027

March Madness pricing and hedging for the first 76-team field: title contracts as six-leg combos, bracket combos, the field's built-in markup, and hedging a title contract to the final. 11 pages.

Buy for $12
Best of Seven 2027 cover
$12

Best of Seven 2027

NBA playoff series pricing and hedging: how a game price becomes a series price, the series at every score, title contracts as four series, and game 7 hedges. 10 pages.

Buy for $12
Everything bundle cover
$49

Everything bundle

The playbook, the journal and every event guide released in the next 12 months.

Buy for $49

Free calculators used in the guides