What is the Mets vs Nationals O/U 9.5 prediction market?

It is a market on whether the New York Mets and Washington Nationals will combine to score over or under 9.5 total runs in their May 20 MLB game.

How does the Over win in Mets vs Nationals O/U 9.5?

The Over wins if the two teams score 10 or more combined runs by the end of the completed game.

How does the Under win in this MLB total runs market?

The Under wins if the Mets and Nationals finish with 9 or fewer combined runs.

What happens if Mets vs Nationals is postponed or canceled?

If the game is postponed, the market stays open until the game is completed. If it is canceled with no make-up game, the market resolves 50-50.

How much smart money is tracked on this Mets vs Nationals market?

PolySpotter currently tracks $5,140 in smart money across 2 signals for this market, including alerts from profitable sports bettors.

Part of: New York Mets vs. Washington Nationals

New York Mets vs. Washington Nationals: O/U 9.5

This Polymarket-style MLB total runs market covers whether the New York Mets and Washington Nationals will combine for 10 or more runs on May 20. It resolves to Over if the final combined score is 10+ runs and Under if it is 9 or fewer, with $5,140 in smart money tracked across 2 signals. The market is scheduled to resolve after the game is completed, with final resolution listed for May 20, 2026 at 22:45 UTC.

In the upcoming MLB game between the New York Mets and Washington Nationals, scheduled for May 20 at 6:45 PM ET: This market will resolve to "Over" if the New York Mets and Washington Nationals combine to score 10 or more runs in this game. If the combined total is less than 10, this market will resolve to "Under". 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, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. 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.

3 smart money signals detected, totaling $7,220.

Categories: Sports, Games, MLB, baseball

Notable Trades

Profitable serial sports bettor

Profitable serial cross-market bettor with a large sample and strong lifetime P&L bought Under 9.5 at 52¢.

This bettor has won 66% of 498 resolved trades and is up about $791k lifetime.
They are a highly active cross-market trader, with $2.4M+ tracked across 421 markets.
Buying Under at 52¢ suggests a modest edge on a fairly liquid MLB total.

$2,080 on Under | Wallet win rate: 66%

Profitable serial sports bettor

Profitable serial cross-market bettor with a large lifetime edge is adding $3.6k on Under in a liquid MLB totals market.

This bettor has won 66% of 498 resolved bets and is up about $791k lifetime.
They are a heavy repeat trader, active across 421 markets with $2.4M total tracked volume.
The two buys build a $3.6k Under position around 52¢.

$3,610 on Under | Wallet win rate: 66%

66% winner, $791K profit

A highly profitable serial cross-market sports bettor with a 66% record and roughly $791K lifetime profit bought Under at 51¢.

This bettor has won 66% of 498 resolved trades and is up about $791K lifetime.
They are a serious repeat player across 420 markets with $2.4M total staked.
Entry at 51¢ is close to the current market, so the copy price has not run away.

$1,530 on Under | Wallet win rate: 66%