Madrid Open, Qualification: Sloane Stephens vs Anhelina Kalinina
12 signals across 1 market · $228,911 tracked · resolves Apr 28, 2026
This Polymarket event tracks the Madrid Open qualification match between Sloane Stephens and Anhelina Kalinina, with traders pricing which player will advance. PolySpotter has tracked $228,911 in smart-money activity across 12 signals, including sharp buying on Stephens, a favorite fade by a 17-wallet cluster, and a recent Kalinina surge.
Markets (1)
Top trades across all markets
- Sharp cluster buying Stephens
Two highly profitable serial traders joined a fast, one-sided move into Sloane Stephens, making this coordinated sports buy worth watching despite one weaker wallet in the cluster.
$10,932Score: 22.9 - 17-wallet cluster fades favorite
A 17-wallet funded cluster put $68k into the underdog side by selling Kalinina around 78-80%, creating a strong coordinated fade of a heavy favorite in a liquid tennis market.
$68,305Score: 15.5 - 83% win-rate tennis bettor
Profitable cross-market bettor with an 83% win rate bought Sloane Stephens at 48¢ before a coordinated wave pushed the market to 86%, making this a strong signal worth surfacing.
$4,698Wallet win rate: 85%Score: 14.4 - 4-wallet Kalinina surge
Four wallets piled into Anhelina Kalinina for $25k as the price ripped from as low as 9-17¢ to 66%, a strong coordinated momentum move despite mixed wallet quality.
$25,307Score: 13.7 - Sharp bettor caught 28¢ move
A highly profitable serial sports trader with an 80% win rate bought Sloane Stephens at 58¢ before a coordinated move pushed the price to 86%, making this a strong sharp-money signal.
$4,834Wallet win rate: 80%Score: 12.4 - 90% win-rate sports whale
A highly profitable 90%-win-rate sports trader just put $91k on Sloane Stephens at 41¢, a size and price worth following even in a liquid market.
$91,284Wallet win rate: 90%Score: 11.8 - 85% winner joins 6-wallet fade
A proven 85% win-rate trader joined a 6-wallet coordinated move against Sloane right as the market swung sharply, making this a strong follow signal despite the modest individual size.
$1,620Wallet win rate: 85%Score: 11.8 - 6-wallet Kalinina push
A repeat new wallet joined a 6-wallet, nearly $29k one-sided move into Kalinina, and the trade caught a sharp 27-point price swing even in a liquid tennis market.
$5,532Wallet win rate: 33%Score: 11.3 - 10-wallet Kalinina cluster
Surface this because 10 wallets put $262.7k on the same side in a live sports market, and this wallet is a large profitable serial cross-market bettor entering Anhelina at 58¢ before a major volume surge.
$5,084Wallet win rate: 55%Score: 10.5 - 3-wallet surge before breakout
Three wallets piled into Sloane Stephens before a sharp move from 62¢ to 86¢, and this wallet is a repeat new-account whale despite an early weak record.
$4,827Wallet win rate: 33%Score: 9.4
Top wallets in this event
- 0x5d58e3…9a15$91,284 · 1 market · 1 alert · 90% wins
- 0xe28960…ff0e$10,358 · 1 market · 2 alerts · 33% wins
- 0x5c3a1a…020b$5,084 · 1 market · 1 alert · 55% wins
- 0x647e83…dd9b$4,984 · 1 market · 1 alert · 87% wins
- 0xcf6c54…7e66$4,834 · 1 market · 1 alert · 80% wins
- 0x8a6764…e403$4,698 · 1 market · 1 alert · 85% wins
- 0x99fb27…acba$3,125 · 1 market · 2 alerts · 85% wins
FAQs
What are the Stephens vs Kalinina odds on Polymarket?
The market prices reflect the crowd-implied probability of Sloane Stephens or Anhelina Kalinina advancing in their Madrid Open qualification match. PolySpotter tracks those odds alongside smart-money activity so you can see whether sharp wallets are leaning toward either player.
What is the smart money doing on Stephens vs Kalinina?
Recent PolySpotter alerts show sharp cluster buying on Stephens, a 17-wallet cluster fading the favorite, an 83% win-rate tennis bettor entering the market, and a 4-wallet surge toward Kalinina. That mix suggests active disagreement rather than a quiet market.
Who is favored in the Stephens vs Kalinina prediction market?
The favorite can change as Polymarket prices move. PolySpotter highlights both the live market direction and notable wallet flows, including a sharp bettor who caught a 28¢ move in this event.
When does the Stephens vs Kalinina market resolve?
The market is scheduled to resolve based on which player advances from the match. The event resolves by April 28, 2026, unless the match is canceled, tied, or delayed beyond the market’s rules.
Why use PolySpotter for this Madrid Open market?
PolySpotter adds context beyond the raw odds by tracking high-performing wallets, clustered buying, and sudden position changes across the Stephens vs Kalinina Polymarket event.