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Cincinnati Reds @ Arizona Diamondbacks

August 21, 2026 · 9:41 PM ET

This page is the August 21, 2026 meeting. See the current Cincinnati Reds @ Arizona Diamondbacks page →

Cincinnati Reds 0 Arizona Diamondbacks 9 Final

FanDuel paid the most on Arizona Diamondbacks at -142, against -159 at Bally Bet. Same bet, same result: $7.53 more profit on a $100 stake, out of the 14 books that priced it.

Closing Moneyline last quotes before start

Closing prices as of August 21, 9:38 PM ET. These do not move again. Today's MLB odds.

BookCincinnati RedsArizona Diamondbacks
Novig +141 -144
Pinnacle +141 -154
Polymarket US +141 -144
ProphetX +141 -151
Caesars +140 -150
Bovada +137 -163
DraftKings +137 -147
BetRivers +135 -152
Hard Rock Bet +135 -145
BetOnline +134 -148
Bally Bet +132 -159
BetParx +132 -159
FanDuel +132 -142
LowVig +131 -145
Fanatics +130 -155
Fliff +130 -165
theScore Bet +130 -150
MyBookie +129 -152
Kalshi +128 -153
BetMGM +125 -150

Closing Spread best flagged at +1.5 / -1.5

BookCincinnati RedsArizona Diamondbacks
Novig +1.5 -144 -1.5 +138
Pinnacle +1.5 -148 -1.5 +133
Polymarket US +1.5 -147 -1.5 +144
ProphetX +1.5 -145 -1.5 +135
Caesars +1.5 -165 -1.5 +140
Bovada +1.5 -150 -1.5 +130
DraftKings +1.5 -165 -1.5 +136
BetRivers +1.5 -167 -1.5 +138
Hard Rock Bet +1.5 -150 -1.5 +140
BetOnline +1.5 -160 -1.5 +140
Bally Bet +1.5 -167 -1.5 +138
BetParx +1.5 -167 -1.5 +138
FanDuel +1.5 -162 -1.5 +134
LowVig +1.5 -160 -1.5 +141
Fanatics +1.5 -170 -1.5 +140
Fliff +1.5 -175 -1.5 +130
theScore Bet +1.5 -165 -1.5 +140
MyBookie +1.5 -162 -1.5 +137
Kalshi +1.5 -153 -1.5 +123
BetMGM +1.5 -160 -1.5 +135

Closing Total best flagged at 8.5

BookOverUnder
Novig 8.5 +106 8.5 -108
Pinnacle 8 -111 8 -101
Polymarket US 8.5 +108 8.5 -111
ProphetX 8.5 +107 8.5 -112
Caesars 8.5 -105 8.5 -115
Bovada 8 -115 8 -105
DraftKings 8.5 -102 8.5 -118
BetRivers 8.5 -104 8.5 -117
Hard Rock Bet 8.5 +105 8.5 -115
BetOnline 8.5 +100 8.5 -120
Bally Bet 8.5 -104 8.5 -117
BetParx 8.5 -104 8.5 -117
FanDuel 8.5 -105 8.5 -115
LowVig 8.5 +103 8.5 -118
Fanatics 8.5 +100 8.5 -120
Fliff 8.5 +100 8.5 -125
theScore Bet 8.5 +100 8.5 -120
MyBookie 8 -117 8 -104
Kalshi 8.5 -103 8.5 -115
BetMGM 8 -120 8 +100

The earliest price we can prove, and where it closed

This game was already listed when our search window opened, so the number below is the earliest one we have on record rather than the opening line. It was captured once from the odds archive and actually posted.

Moneyline Movement

-140+105+140Aug 20Aug 21
Cincinnati Reds Arizona Diamondbacks

Best shoppable US-book price at each scan, from open to close. Excludes the exchanges, Pinnacle and the offshore books.

About These Closing Odds

Every price on this page is a book's own last quote strictly before Cincinnati Reds and Arizona Diamondbacks started, taken from our scan archive. A book that stopped pricing the game early still shows the number it closed at, and a book that never priced it is not listed. 20 books priced this game. Prediction market prices include trading fees wherever a fee applies, so they are directly comparable to sportsbook lines. See how we calculate this.

This page is permanent. The closing prices above do not change again, and the page keeps them at this address after the game, the season and the rematch, so it stays a citable record of what this line actually closed at.

For today's games, open the MLB board or the Line Shop.

Cite this page: https://theoddsgap.com/odds/mlb/cincinnati-reds-vs-arizona-diamondbacks, final August 21, 2026.

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