Data breakdown of tennis live odds 2024-2025:
Pre shot-clock: 20-30% shifts normal
Post shot-clock: 150%+ regular
New data feeds: 200%+ common
Books protecting against inside info
Looked at the numbers:
Pro sports players: -35% ROI average
Sports journalists: -42% ROI
"Expert" social tipsters: -58% ROI
Only profitable group: data analysts +7% ROI