Data coverage
How far back BookSync data goes per book. Useful for partners deciding whether the lookback window is long enough for their analysis. Raw JSON at /api/booksync/oldest-newest.
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| Book | Oldest | Newest | Bets |
|---|---|---|---|
| DraftKings | - | - | 0 |
| FanDuel | - | - | 0 |
| BetMGM | - | - | 0 |
| Caesars | - | - | 0 |
| BetRivers | - | - | 0 |
| ESPN BET | - | - | 0 |
| Fanatics | - | - | 0 |
| Hard Rock | - | - | 0 |
| PrizePicks | - | - | 0 |
| Underdog | - | - | 0 |
Vault Ring 563. 21+ only. Not financial advice. 1-800-GAMBLER.