Partner books
Welcome offers.
The books we price against every day. Sign up through our links, grab the new-user bonus, and it supports KashRock at no extra cost to you.
KashRock earns a commission when you sign up or deposit through these links. Offers are for new users only — terms, eligibility, and availability vary by state. Check each book before depositing.
Up to $2,000
Kalshi
- ·Sign up with our link
- ·Deposit $10+, trade $25 to unlock
- ·Trade sports, politics, crypto & more
New users only · $10 min deposit · 18+ · US only · T&Cs apply
$10 free + up to $200
Betr
- ·Sign up with our link — $10 bonus after verification
- ·50% deposit match up to $200 on your first deposit
- ·1x playthrough on bonus funds
New users only · $10 min deposit · 18+/21+ varies by state · T&Cs apply
Play $5, get $150
PrizePicks
- ·Enter code at signup — PR-MI3JOEX
- ·Deposit $10+, play your first $5+ lineup
- ·Win it → $150 in bonus lineups hits Rewards
New users only · first lineup must win to qualify · bonus expires in 7 days · T&Cs apply
Match up to $100 + $5 free
ParlayPlay
- ·Sign up with our link — code auto-applies
- ·Verify your account for a $5 free entry
- ·First deposit $10+ matched 100% up to $100
New users only · $10 min deposit · promo funds expire in 7 days · T&Cs apply
Play $5, get $40
Boom
- ·Download Boom with our link
- ·Deposit $20+, play $5 in cash entries
- ·Get four $10 free entry tokens
New users only · $20 min deposit · real-cash entries only count · T&Cs apply
$25 trading credit
Polymarket US
- ·Sign up with our link — code auto-applies
- ·Verify your account and deposit $10+
- ·Trade $1+ to unlock the $25 credit
New users only · $10 min deposit · trade within 30 days · T&Cs apply
Offers shown here are welcome promos for new users and can change or expire at any time — the book's own terms control. 21+ or the legal age in your jurisdiction. If gambling stops being fun, get help: 1-800-GAMBLER (1-800-426-2537) or 1-800-522-4700.
