The Chicago Cubs enter the series with a 76-56 record, sitting second in the NL Central, while the Arizona Diamondbacks stand at 69-63 and third in the NL West. Chicago has dominated recent matchups, including a 7-0 shutout behind Kevin Gausman and a strong offensive outburst featuring homers from Ian Happ, Michael Conforto, and Carson Kelly. Clay Holmes and Brandon Pfaadt are lined up for the middle game at Chase Field, where elevated temperatures could influence bullpen usage. Both clubs deal with significant injuries—Chicago missing Dansby Swanson and others, Arizona without Ketel Marte and Lourdes Gurriel Jr.—yet the Cubs' recent form and head-to-head edge shape trader consensus around higher implied probabilities for a Chicago win in the series or individual contests.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedChicago Cubs – Arizona Diamondbacks
Moneyline
$598K Vol.
Spreads
$16.3K Vol.
Totals
$147K Vol.
Will there be a run in the first inning?
$1.4K Vol.
Extra Innings
$11 Vol.
This market will resolve to "Chicago Cubs" if the Chicago Cubs win the game.
This market will resolve to "Arizona Diamondbacks" if the Arizona Diamondbacks win the game.
If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50.
The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.
Market Opened: Aug 19, 2026, 9:00 AM ET
Resolution Source
https://www.mlb.com/Resolver
0x65070BE91...Chicago Cubs – Arizona Diamondbacks
Moneyline
$598K Vol.
Spreads
$16.3K Vol.
Totals
$147K Vol.
Will there be a run in the first inning?
$1.4K Vol.
Extra Innings
$11 Vol.
This market will resolve to "Chicago Cubs" if the Chicago Cubs win the game.
This market will resolve to "Arizona Diamondbacks" if the Arizona Diamondbacks win the game.
If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50.
The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.
Market Opened: Aug 19, 2026, 9:00 AM ET
Resolution Source
https://www.mlb.com/Resolver
0x65070BE91...The Chicago Cubs enter the series with a 76-56 record, sitting second in the NL Central, while the Arizona Diamondbacks stand at 69-63 and third in the NL West. Chicago has dominated recent matchups, including a 7-0 shutout behind Kevin Gausman and a strong offensive outburst featuring homers from Ian Happ, Michael Conforto, and Carson Kelly. Clay Holmes and Brandon Pfaadt are lined up for the middle game at Chase Field, where elevated temperatures could influence bullpen usage. Both clubs deal with significant injuries—Chicago missing Dansby Swanson and others, Arizona without Ketel Marte and Lourdes Gurriel Jr.—yet the Cubs' recent form and head-to-head edge shape trader consensus around higher implied probabilities for a Chicago win in the series or individual contests.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedBeware of external links.
Beware of external links.
Frequently Asked Questions
Build a combo
Select two options


Beware of external links.
Beware of external links.
Frequently Asked Questions