Chicago Cubs vs. Seattle Mariners
6 signals across 2 markets · $126,990 tracked · resolves Aug 30, 2026
Follow the Polymarket prediction market for the Chicago Cubs vs. Seattle Mariners MLB game on August 23 at 4:10 PM ET. The event tracks both possible winners, with $21,000 in smart money and a recent alert noting a massive volume spike from a serial bettor.
Markets (2)
Top trades across all markets
- 92% winner backs Chicago
A highly proven bettor with a 92% win rate and substantial positive edge took a fresh position on Chicago at 54%.
$1,681Wallet win rate: 92%Score: 9.2 - Coordinated Cubs whale buying
Three wallets deployed nearly $98K on the Cubs during a 435x volume spike, including a highly profitable large bettor and a decisive reversal from Seattle to Chicago.
$93,822Score: 8.0 - Elite sharp bettor buys Over
A highly profitable bettor with 8,276 resolved positions and a 35-point edge bought Over at 59 cents ahead of a major volume spike, and the market has since resolved in its favor.
$1,485Wallet win rate: 95%Score: 5.9 - Elite bettor backs Seattle
A highly proven bettor with a 94% win rate and substantial positive edge is taking Seattle at 48% in a liquid MLB market.
$2,002Wallet win rate: 94%Score: 5.6 - New whale scaling into Over
A very new wallet is repeatedly adding a sizable Over position amid an extreme pre-event volume spike, though it lacks a proven track record.
$7,000Wallet win rate: 100%Score: 4.9 - Serial bettor behind massive volume spike
A highly active, massively profitable trader made a fresh $21,000 Seattle bet amid an extraordinary volume spike, though their historical edge over entry prices is modest.
$21,000Wallet win rate: 65%Score: 4.6
Top wallets in this event
- 0xfe787d…0319$21,000 · 1 market · 1 alert · 65% wins
- 0xa28547…f906$7,000 · 1 market · 1 alert · 100% wins
- 0xe8c4d6…395d$2,002 · 1 market · 1 alert · 94% wins
- 0x684baa…8409$1,681 · 1 market · 1 alert · 92% wins
- 0x161a7f…4103$1,485 · 1 market · 1 alert · 95% wins
FAQs
What are the Cubs vs. Mariners odds on Polymarket?
Polymarket lists outcome-based markets for a Chicago Cubs win and a Seattle Mariners win. Check the live event page for current prices, which reflect the market-implied odds.
What is the smart money doing on Cubs vs. Mariners?
PolySpotter tracks $21,000 in smart money across this event and one signal. A recent alert highlighted a massive volume spike attributed to a serial bettor.
When does the Cubs vs. Mariners prediction market resolve?
The market is scheduled around the August 23 game at 4:10 PM ET and may remain open until the game is completed if it is postponed. It is expected to resolve by August 30, 2026, unless the game is canceled or otherwise meets the stated resolution conditions.
What outcomes are traded in this event?
The event covers a Chicago Cubs win or a Seattle Mariners win. If the game is canceled without a makeup game or ends in a tie, the market resolves 50-50.