PitByNumbers: NASCAR Betting Intelligence

PitByNumbers publishes a free NASCAR bet card every Cup Series race week, graded in public after every race, plus driver background checks, live odds boards, practice reads and loop-data articles for bettors who want the edge the market has not priced in yet.

What PitByNumbers is

PitByNumbers is a NASCAR betting research site run by Jason Caroluzzi. Every week it publishes a bet card of six to ten plays with units and prices, a Driver Background Check on every car in the field, an odds board across the major sportsbooks, and articles built from NASCAR loop data: average running position, laps led, top-15 lap share and driver rating. Every bet is graded publicly at The Receipts, win or lose.

2026 season, graded in public

Through the most recent race the 2026 bet card record is 53-177, +$4,834 at $100 per unit, a +16% return on units staked. Every bet, win or lose, is listed at The Receipts: Every Bet, Win or Lose.

This week: Freeway Insurance 500 at Phoenix Raceway

• This week's free bet card
• Driver Background Checks
• Odds board
• Stats Explorer

Latest from PitByNumbers

• 5 Top 10 Bets We Like at Phoenix: Five Top 10 bets for the Freeway Insurance 500 at Phoenix: Byron -122, Berry +150, Hocevar +178, Buescher +185, McDowell +600, each with his track file.
• The Bullshit Meter: Charlotte: What drivers said after the Bank of America 400, held up against what their car actually did in the lap data. Hamlin, Bell, Larson and Blaney, scored 0 to 10.
• 10 Phoenix Race Facts Nobody Else Has: Larson has beaten Blaney once in nine Phoenix races. It took a blown engine. Nine more facts like it, each with a bet inside.
• The Autopsy: Last Race at Phoenix: March, lap by lap: 12 cautions, two lost wheels on pit road, and a win on two tires. What the tape says about Sunday.
• 5 Top 10 Bets We Like at Charlotte: Five top ten prices we like for the Bank of America 400, built from all five Next Gen Coca-Cola 600s on this oval. Two near even money with a case each, and three long prices argued out loud against our own ledger.
• 10 Charlotte Facts Nobody Else Has, and the Bet Hiding Inside Each One: Every lap of all five Next Gen Coca-Cola 600s at Charlotte through the loop data. Hendrick has led a third of the laps and won none, the last two winners ran 9th and 21st on average, and one driver runs ten spots worse here than anywhere else.
• The Autopsy: Last Race at Charlotte: Every lap, all 12 cautions, every radio call, loop data on all 39 drivers from May's Coca-Cola 600. Not a recap. A teardown, before you bet Sunday.
• Everything That Hit a Microphone at Las Vegas: What every driver said Saturday about his car, on a day five tires came apart and two cars went to backups. Fifteen spoke, three reached the air through a relay, eighteen said nothing. All 36, in starting order, with a car read on each.

All articles