Predictions today · Tennis
Masamichi Imamura vs Hiromasa Koyama prediction
November 15, 2026 · 03:10 UTC · Tennis · ATP
Masamichi Imamura vs Hiromasa Koyama — tennis, ATP. Kickoff November 15, 2026, 03:10 UTC. Below: the market odds, how much the biggest Polymarket players have put on this match and where. PrognosX tracks big sports bets by smart wallets and shows every result, losses included.
Chance = market price; odds = 1 / price.
No big bets by tracked wallets on this match yet. They often come in the last hours before kickoff.
Teams: Masamichi Imamura · Hiromasa Koyama
Match preview
The Polymarket market makes Masamichi Imamura the favourite: 80% chance, odds 1.26. Odds: Masamichi Imamura — 1.26, Hiromasa Koyama — 4.88. The line has barely moved in the last 24 hours. The chances add up to 100.0%: the market margin is about 0.0% (bookmakers usually take 4–8%). Over 30 days, big pre-game bets by tracked whales in ATP: 282, 166 won (59%). $10 on each would be +$130 after fees. Copying every whale is not a strategy — that is why PrognosX picks Smart whales (they beat the closing line).
For many matches: Pinnacle's fair odds next to Polymarket — where Polymarket pays more, and where whales bet into that value. Compare plans
Questions about the match
Who will win Masamichi Imamura vs Hiromasa Koyama?
By market prices on Polymarket, Masamichi Imamura is the favourite with a 80% chance. That is the crowd's estimate, not a guarantee.
What are the odds for Masamichi Imamura vs Hiromasa Koyama?
Masamichi Imamura — 1.26, Hiromasa Koyama — 4.88 (decimal odds = 1 / Polymarket price). They change until kickoff.
Do whales win in ATP?
Over 30 days, big pre-game bets by tracked whales in ATP: 282, 166 won (59%). $10 on each would be +$130 after fees. Copying every whale is not a strategy — that is why PrognosX picks Smart whales (they beat the closing line).
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How we make this page
Odds are live Polymarket prices (1 / price). Whale money is real on-chain bets by tracked wallets — every one can be checked. Which side they took is shown after the game. Before it ends — in the app. We show losses too: how the Smart score is counted · honest record · daily predictions.
Updated 01:31 UTC. 18+. Not betting advice.
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