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BetMGM vs BetRivers

BetMGM vs BetRivers — Live Odds Side-by-Side

Live BetMGM vs BetRivers odds across MLB, NBA, NFL and NHL games happening right now. Kalshi and Polymarket overlays included — see which book is offering the best price on each market.

BetMGM

MGM Resorts + Entain joint venture

sportsbook

BetMGM is a joint venture between MGM Resorts International (NYSE: MGM) and Entain plc (LSE: ENT), one of the top three US online sportsbooks by handle.

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Founded2018 · Joint venture (MGM Resorts + GVC/Entain)
HQJersey City, NJ
CEOAdam Greenblatt
Employees~1,800 (2025)
Public tickerMGM Resorts: NYSE: MGM · Entain: LSE: ENT
ParentMGM Resorts International + Entain plc (50/50 JV)

Regulation

RegulatorState gaming commissions (varies)
States25+ US states for sports betting (varies by year)

Scale · 2025-Q4

Monthly volumeHandle of ~$1.5–2B/month
Annual volume~$15B+ annual handle (2024)
Users~1.5M+ monthly active US users

Funding

Total raisedJV-funded — MGM + Entain each committed $450M initial capital
Last roundOngoing JV capital injections
Last round sizeN/A
ValuationEntain has previously valued its 50% stake at ~$5B
Key investorsMGM Resorts International (50%), Entain plc (50%)

Product

FeesVig ~4–5% on moneylines; standard parlay margins
Min position$0.50 minimum bet
Max positionVariable per market; competitive limits for non-sharps
SettlementUSD
Withdrawal1–3 business days for ACH; instant for M life Rewards conversion
MobileiOS, Android
PaymentsACH · Debit card · PayPal · Play+ prepaid · M life integration

BetRivers

Rush Street's regional sportsbook with strong loyalty

sportsbook

BetRivers is the online sportsbook of Rush Street Interactive (NYSE: RSI), parent of the Rivers Casino chain, known for strong regional presence and the iRush Rewards loyalty program.

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Founded2018 · Neil Bluhm (Rush Street Gaming founder)
HQChicago, IL
CEORichard Schwartz
Employees~1,500 (Rush Street Interactive)
Public tickerNYSE: RSI
ParentRush Street Interactive, Inc.

Regulation

RegulatorState gaming commissions
States15+ US states

Scale · 2025-Q4

Monthly volumeHandle ~$400–600M/month
Annual volume~$5B+ annual handle
Users~700k+ US monthly active

Funding

Total raisedPublic via SPAC merger 2020
Last rounddMY Technology SPAC merger Dec 2020
Last round size~$160M
ValuationMarket cap typically $1–3B
Key investorsPublic markets (NYSE), Rush Street Gaming

Product

FeesVig ~4–5% on moneylines
Min position$1 minimum bet
Max positionVariable; competitive limits in regional markets
SettlementUSD
Withdrawal1–5 business days ACH
MobileiOS, Android
PaymentsACH · Debit card · PayPal · Play+ prepaid

Feature-by-feature comparison

Side-by-side dimensions that matter when choosing between BetMGM and BetRivers. Volumes are best-effort as of 2025-Q4.
DimensionBetMGMBetRivers
Categorysportsbooksportsbook
Founded20182018
HeadquartersJersey City, NJChicago, IL
RegulatorState gaming commissions (varies)State gaming commissions
States available25+ US states for sports betting (varies by year)15+ US states
Monthly volumeHandle of ~$1.5–2B/monthHandle ~$400–600M/month
Annual volume~$15B+ annual handle (2024)~$5B+ annual handle
Total raisedJV-funded — MGM + Entain each committed $450M initial capitalPublic via SPAC merger 2020
Reported valuationEntain has previously valued its 50% stake at ~$5BMarket cap typically $1–3B
Parent companyMGM Resorts International + Entain plc (50/50 JV)Rush Street Interactive, Inc.
Public tickerMGM Resorts: NYSE: MGM · Entain: LSE: ENTNYSE: RSI
Fee structureVig ~4–5% on moneylines; standard parlay marginsVig ~4–5% on moneylines
Min position$0.50 minimum bet$1 minimum bet
Max positionVariable per market; competitive limits for non-sharpsVariable; competitive limits in regional markets
SettlementUSDUSD
Withdrawal1–3 business days for ACH; instant for M life Rewards conversion1–5 business days ACH
PaymentsACH, Debit card, PayPal (+2 more)ACH, Debit card, PayPal (+1 more)
Mobile appsiOS, AndroidiOS, Android
Product categoriesSports betting, iGaming/casino, Poker (in some states)Sports betting, iGaming/casino, Horse racing (some states)

Use BetMGM when…

  • Users who already visit MGM properties + want loyalty earn
  • Casino-first players who occasionally bet sports
  • European soccer focus (Entain pricing depth)

Use BetRivers when…

  • Users in Rush Street Casino regional markets (Pittsburgh/Philly area)
  • Cashback-loyalty users (iRush Rewards is competitive)

BetMGM strengths

  • Tied into MGM Resorts loyalty (M life Rewards earn on bets, redeem at any MGM property)
  • Strong casino integration — single wallet across sports + slots + table games
  • Backed by Entain's global trading desk (sharp pricing on European soccer)
  • Wide state availability and frequent state-specific promos

BetMGM trade-offs

  • Standard vig + parlay margin (no structural pricing edge vs Kalshi)
  • Limits skewed against winners (industry standard)
  • User experience can lag DK/FanDuel on app polish

BetRivers strengths

  • iRush Rewards loyalty — strong cashback on regular play
  • Strong regional presence (Pittsburgh, Philly, NY)
  • Frequent low-vig promos in launch states
  • Competitive line pricing for a Tier-2 operator

BetRivers trade-offs

  • Smaller national footprint than DK/FD
  • Lower promo budget than the top-3 operators
  • Mobile app less feature-rich than DK/FD
Live Odds — Next 72 HoursRefreshed live; Kalshi/books typically refresh every 5-30 min
No active games in the next 72 hours across MLB, NBA, NFL, NHL, or NCAA football. Check back during in-season weeks for live comparison data.

BetMGM vs BetRivers — practical differences

BetMGM: strong ncaaf/ncaab lines. mgm rewards tie-in (comps + vegas perks). BetRivers: irush rewards is the most generous loyalty program in regulated us betting. For most regulated US bettors the right strategy is to hold accounts at both and line shop — neither book consistently leads on every market.

Where the gaps appear

Game lines (h2h, spreads, totals) on major-league sports usually agree within 1-2 percentage points between BetMGM and BetRivers — the books pull from similar pricing services and adjust against each other in real time. Player props and futures are where divergence shows up: market depth differs, and one book will price stale relative to the other for hours at a time when news drops.

FAQ

BetMGM vs BetRivers — which has better odds?
Neither consistently wins. Across MLB and NBA moneylines, BetMGM and BetRivers prices typically agree within 1-2pp, with each beating the other on roughly half the markets. The biggest gaps appear on player props and futures where market depth differs.
Should I have accounts at both?
Yes — line shopping between major regulated US books captures 2-5% extra EV over a season. The 90 seconds it takes to check both before placing a bet is the highest-hourly-rate work in regulated betting.
Which book has better promotions?
Both offer competitive new-user offers (First-bet offer up to $1,500 in bonus bets (state-dependent) vs 2nd-chance bet up to $500 (varies by state)). Ongoing promos cycle: BetMGM historically runs more SGP boosts; BetRivers runs more odds-boost specials on chalk parlays.
How do exchange prices (Kalshi, Polymarket) compare?
Kalshi and Polymarket frequently price 3-10pp off both BetMGM and BetRivers on the same market. SportsBookISH overlays the exchange prices on every event so you can spot when the sportsbooks are out of step with the regulated exchange consensus.

Sources and further reading

All figures best-effort as of 2025-Q4. Funding, valuations, and volume are sourced from public filings, official communications, and third-party trackers (Crunchbase, Wikipedia). Affiliate disclosure: SportsBookISH may receive a referral commission when readers sign up for a regulated sportsbook or prediction market via links on this page.

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