Event

Chicago Cubs vs. Seattle Mariners

4 signals across 2 markets · $34,458 tracked · resolves Aug 29, 2026

Follow the Chicago Cubs vs. Seattle Mariners prediction market for the August 22 MLB matchup at 7:15 PM ET. The event tracks the two possible game winners, with $9,800 in smart money and one signal from a serial sports bettor with a reported 93% win rate.

CHC
74-55
SEA
61-68
CHC +104SEA -112O/U 7.5

Markets (2)

  1. Chicago Cubs vs. Seattle Mariners: O/U 7.51 signal · $19,600 tracked
  2. Chicago Cubs vs. Seattle Mariners3 signals · $14,858 tracked

Top trades across all markets

  1. 93% winner scaling into Over

    A highly profitable serial sports trader with a 93% win rate is adding $19,600 to an existing Over position at 49 cents.

    $19,600Wallet win rate: 94%Score: 5.4
  2. 93% win-rate serial sports bettor

    A highly profitable serial sports trader with a 93% win rate and $165,002 P&L made a concentrated $9,800 purchase of Chicago at 49%.

    $9,800Wallet win rate: 94%Score: 5.4
  3. Sharp bettor adds to Cubs position

    A proven 82% bettor with a substantial positive edge is adding to an existing Cubs position at 49 cents.

    $2,058Wallet win rate: 82%Score: 4.7
  4. Volume-spike Cubs bettor

    A $3,000 Cubs bet coincided with a 150x volume surge and a 38.5-point price rise, making this a notable momentum trade despite the wallet's only moderate 61% win rate.

    $3,000Wallet win rate: 61%Score: 3.0

Top wallets in this event

  1. 0x317060c6a0$29,400 · 2 markets · 2 alerts · 94% wins
  2. 0xd1ed12d7cb$3,000 · 1 market · 1 alert · 61% wins
  3. 0x4e73d4ac97$2,058 · 1 market · 1 alert · 82% wins

More on this event

FAQs

What are the Cubs vs. Mariners Polymarket odds?

The Polymarket event tracks the implied odds of a Chicago Cubs win versus a Seattle Mariners win. Check the live market prices on PolySpotter for the latest odds.

What is the Cubs vs. Mariners prediction market?

It is a two-outcome prediction market for the August 22 MLB game: Chicago Cubs or Seattle Mariners. The winning team determines the market outcome.

What is smart money doing in the Cubs vs. Mariners market?

PolySpotter has tracked $9,800 in smart money across the event and one signal from a serial sports bettor with a reported 93% win rate.

When does the Cubs vs. Mariners market resolve?

The market resolves after the game is completed. If the game is postponed, it remains open until played; if it is canceled without a makeup game or ends in a tie, it resolves 50-50.