Guides

The math the sharps use.

No tout picks, no parlays, no hype. Just the handful of concepts that separate long-run winners from everyone else — expected value, closing line value, the Kelly criterion, and removing the vig — explained in plain English.

Prefer to just run the numbers?

Every concept in these guides has a free interactive calculator — EV, no-vig, Kelly, odds conversion, hold, parlay, and arbitrage. No signup.

Open the free tools →

Stop doing the math by hand.

Iron Marker scans every major US sportsbook against Pinnacle's sharp line in real time, removes the vig, and sizes every bet with fractional Kelly. $39/mo, 7-day free trial.

Start free trial