How does this Polymarket resolve if the game is postponed?

If the game is postponed, the market remains open until the game is completed. If the game is canceled with no make-up game or ends in a tie, it resolves 50-50.

What smart money is PolySpotter tracking on this market?

PolySpotter is tracking $30,164 in smart money and 3 smart money signals, including alerts tied to sharp MLB bettors, high win-rate sports traders, and profitable underdog buyers.

When does the Pirates vs. Cardinals market resolve?

The listed resolution date is May 28, 2026, though the market is based on the May 21 game and should resolve after the official game result is available.

Can I use this page to track Pirates vs. Cardinals odds?

Yes. This page is designed to help users monitor the Pirates vs. Cardinals prediction market, including market movement, smart money activity, and settlement rules.

Part of: Pittsburgh Pirates vs. St. Louis Cardinals

Pittsburgh Pirates vs. St. Louis Cardinals

Q: What is the Pirates vs. Cardinals prediction market about?

This market predicts the winner of the MLB game between the Pittsburgh Pirates and St. Louis Cardinals. It resolves to the team that wins the completed game.

This Polymarket MLB market asks who will win the Pittsburgh Pirates vs. St. Louis Cardinals game scheduled for May 21 at 1:15 PM ET. PolySpotter is tracking $30,164 in smart money across 3 signals, including alerts from sharp sports bettors and profitable wallet clusters. The market is scheduled to resolve by May 28, 2026, or after the game is completed if postponed.

In the upcoming MLB game between the Pittsburgh Pirates and St. Louis Cardinals, scheduled for May 21 at 1:15PM ET: This market will resolve to "Pittsburgh Pirates" if the Pittsburgh Pirates win the game. This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals 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.

14 smart money signals detected, totaling $101,096.

Categories: Sports, Games, MLB, baseball

Notable Trades

Profitable wallets buying underdog

A high-score MLB flow alert with $27.5k buying St. Louis from several wallets, backed by a major volume spike and some profitable repeat bettors, though there is also opposing Pirates flow.

Four wallets bought $27.5k on the same side during a 25x volume spike.
Two repeat bettors in the flow are profitable, including one up $821k lifetime.
The average entry was about 46¢, while the market is now around 36¢.

$27,491 on St. Louis Cardinals

Profitable serial bettor cluster

Highly profitable serial sports bettor bought Pirates alongside one-sided cluster flow and a 25x pre-event volume spike.

This bettor has won 69% of 6,246 resolved bets and is up about $3.0M lifetime.
Five wallets bought the Pirates in the same window, totaling $9,241 on one side.
Market volume spiked 25x and the Pirates moved from this 59¢ entry to 64¢.

$1,480 on Pittsburgh Pirates | Wallet win rate: 69%

Sharp bettor joins Pirates flow

Sharp profitable MLB bettor bought Pittsburgh alongside one-sided group flow and a major pre-game volume spike.

This bettor wins 83% of resolved trades and is up $6,881 lifetime.
Five wallets are all buying Pittsburgh, totaling $9,241 in the same direction.
They entered at 59¢ and the market has already moved to 64¢, with volume spiking 25x.

$1,192 on Pittsburgh Pirates | Wallet win rate: 83%

Sharp MLB bettor buying Cardinals

Sharp sports bettor with an 89% record and strong lifetime profit bought St. Louis at 49¢ amid a major pre-game volume spike.

This bettor wins 89% of resolved trades and is up $75,972 lifetime.
They are a serial cross-market sports trader across 33 events with the same 89% hit rate.
A 107x pre-game volume spike adds momentum behind the Cardinals entry at 49¢.

$2,402 on St. Louis Cardinals | Wallet win rate: 89%

Sharp bettor joins Pirates cluster

Surface: a highly profitable 93% win-rate bettor joined a $24.8k four-wallet one-sided move on the Pirates amid a 53x pre-game volume spike.

One bettor in this cluster wins 93% of resolved trades and is up $217k lifetime.
Four wallets put $24.8k on the Pirates in the same window, all at 52¢ equivalent entry.
Pre-game volume is running 53x above normal, suggesting concentrated momentum before the matchup.

$24,829 on Pittsburgh Pirates

27-0 sharp sports bettor

Surface despite the modest volume-spike score because the buyer is a proven sharp wallet with a 27-0 resolved record and +$228k profit buying Pirates at 52¢.

This bettor has won 27 of 27 resolved bets and is up $228k lifetime.
They are buying at 52¢ in a liquid MLB market, suggesting they see the Pirates as underpriced.
The market also saw a 156x pre-event volume spike, adding momentum behind the move.

$2,500 on Pittsburgh Pirates | Wallet win rate: 100%

Perfect-record sports sharp

Sharp sports bettor with a perfect 27-0 resolved record and strong profits bought $5,000 of Pirates at 52¢ despite this being a liquid market.

This bettor is 27-for-27 on resolved trades and is up $228k lifetime.
They have traded across 30 events with a perfect recorded win rate, suggesting a repeatable sports edge.
Entry at 52¢ implies they see value on the Pirates in a market priced near a coin flip.

$5,000 on Pittsburgh Pirates | Wallet win rate: 100%

99% win-rate sports sharp

Elite proven wallet with a 99% historical win rate and strong cross-market record bought St. Louis at 49¢.

This bettor has won 197 of 199 resolved bets and is up $473K lifetime.
They are a serial cross-market trader across 161 events with a 99% hit rate.
Entry at 49¢ suggests they see St. Louis as underpriced despite the market being near even.

$1,225 on St. Louis Cardinals | Wallet win rate: 99%

$12.7M profitable serial bettor

Surfaced despite a low composite score because this is a highly profitable serial sports bettor with a long track record buying Cardinals at 47¢.

This bettor has won 59% of 1,345 resolved markets and is up $12.7M lifetime.
They have traded across 371 events with $16.3M in tracked cross-market volume.
Entry at 47¢ implies they see the Cardinals as better than a coin-flip despite the market pricing them slightly below 50%.

$7,830 on St. Louis Cardinals | Wallet win rate: 59%