San Francisco Giants @ Boston Red Sox
Fri Aug 21, 7:11 PM ET
Odds from the latest scan: August 20, 4:18 PM ET.
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Caesars pays the most on San Francisco Giants at +150, and Caesars pays the most on Boston Red Sox at -160. Across the 11 books pricing this game the best and worst numbers are $15.00 apart on a $100 bet.
Best MLB price on San Francisco Giants vs Boston Red Sox, compared across every major US sportsbook plus Kalshi, Polymarket US, ProphetX and Novig. Fri Aug 21, 7:11 PM ET.
Games starting within 24 hours refresh every minute; later games every 30 minutes and every hour as kickoff approaches during the beta; the free board refreshes hourly.
Moneyline Line HistorySan Francisco Giants +150 Caesars·Boston Red Sox -160 Caesars
Every Book's Moneyline
| Book | San Francisco Giants | Boston Red Sox |
|---|---|---|
| Caesars | +150 | -160 |
| BetOnline | +147 | -163 |
| LowVig | +147 | -163 |
| Polymarket US | +144 | -170 |
| FanDuel | +144 | -172 |
| MyBookie | +145 | -172 |
| DraftKings | +143 | -174 |
| Fliff | +145 | -175 |
| BetMGM | +145 | -175 |
| Kalshi | +145 | -175 |
| Novig | +135 | -182 |
Spread Line HistorySan Francisco Giants +1.5 (-143) MyBookie·Boston Red Sox -1.5 (+136) FanDuel
Total Line HistoryOver 8 (-106) MyBookie·Under 8 (-107) LowVig
About These Charts
Player Props
11 books priced this game. Prediction market prices include trading fees wherever a fee applies, so they are directly comparable to sportsbook lines.
On San Francisco Giants vs Boston Red Sox, the best available price is not the same at every book. One sportsbook might post a side at -110 while another has it at -102, and taking the better number is the one edge you fully control. The Odds Gap scans every major US sportsbook plus the federally regulated prediction markets and flags where the best price sits on each side of this MLB matchup.
How to read these San Francisco Giants vs Boston Red Sox odds
The cards above show the best moneyline price on each side and which book has it. The spread line shows Boston Red Sox at the market's consensus number, priced at the best odds among books quoting it. The total shows the Over at the consensus number. For every book's price on every market, open the game in the Line Shop.
What the Price Gap Is Worth
Across the 11 books quoting this side, the best price is +150 at Caesars and the worst is +135 at Novig. Same bet, same outcome, $15.00 difference in profit on a $100 stake. Nothing about the wager changes, only where you place it.
- San Francisco Giants: best +150 (Caesars), worst +135 (Novig)
- Boston Red Sox: best -160 (Caesars), worst -182 (Novig)
San Francisco Giants vs Boston Red Sox Odds: Common Questions
Who has the best odds on San Francisco Giants vs Boston Red Sox?
At the latest scan Caesars pays the most on San Francisco Giants at +150, and Caesars pays the most on Boston Red Sox at -160. Those are two different books more often than not, and the best number moves as books reprice, so check the table on this page before you bet rather than assuming one book wins both sides.
How much does the price differ between sportsbooks on this game?
Right now 11 books price this side, and the spread between the best and worst of them is +150 at Caesars versus +135 at Novig. On a $100 bet that is $15.00 more in your pocket for the same wager, won or lost the same way. That difference is the entire reason this page exists.
What is the spread and total for San Francisco Giants vs Boston Red Sox?
The consensus spread is -1.5 on Boston Red Sox with the best juice at +136 (FanDuel), and the consensus total is 8 with the best Over price at -106 (MyBookie). Consensus means the line most books agree on; the flagged price is the best juice available at that same number.
How often do these MLB odds update?
The free board rescans every hour from 7am to 9pm ET; Live Beta, free with an email signup during the beta, refreshes every minute. This page was last scanned August 20, 4:18 PM ET, and that timestamp is shown above the table.
Does The Odds Gap pick a side on San Francisco Giants vs Boston Red Sox?
No. There is no model, no projection, and no lean anywhere on this site. We show which book pays the most on a bet you have already decided to make. Math, not picks.
The Rest Of This MLB Slate
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