Miami Open: Alex Michelsen vs Jannik Sinner

Prediction market · Polymarket

Overview

This market refers on the tennis match between Alex Michelsen and Jannik Sinner in the Miami Open, scheduled for March 24 at 4:00PM ET. This market will resolve to 'Alex Michelsen' if Alex Michelsen advances against Jannik Sinner. This market will resolve to 'Jannik Sinner' if Jannik Sinner advances against Alex Michelsen. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.

Ticker

atp-michels-sinner-2026-03-24

Volume

3.1K

24h volume

3.1K

1w volume

3.1K

Open interest

2.8K

Liquidity

142.5K

Liquidity CLOB

142.5K

Start

Mar 24, 2026

End

Mar 31, 2026

Status

Active

Access

Restricted

Created

Mar 24, 2026

Resolution source

https://www.atptour.com/en/scores/current

Event ID

301992

Slug

atp-michels-sinner-2026-03-24

Markets

10

Raw event data
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  "title": "Miami Open: Alex Michelsen vs Jannik Sinner",
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      "outcomes": "[\"Over 2.5\", \"Under 2.5\"]",
      "outcomePrices": "[\"0.205\", \"0.795\"]",
      "volume": "10",
      "active": true,
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      "question": "Set 1 Winner: Michelsen vs Sinner",
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      "slug": "atp-michels-sinner-2026-03-24-first-set-winner-Michelsen-vs-Sinner",
      "resolutionSource": "https://www.atptour.com/en/scores/current",
      "endDate": "2026-03-31T20:00:00Z",
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      "description": "This market refers to the tennis match between Alex Michelsen and Jannik Sinner in the Miami Open, scheduled for March 24 2026.\nThis market will resolve to “Michelsen” if Alex Michelsen wins the first set. It will resolve to “Sinner” if Jannik Sinner wins the first set.\nIf the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50.\nIf the match is canceled (not played at all) or is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50.\nResolution will be based on official ATP match statistics.",
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      "outcomePrices": "[\"0.13\", \"0.87\"]",
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      "question": "Set Handicap: Sinner (-1.5) vs Michelsen (+1.5)",
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    {
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      "description": "This market refers to the tennis match between Alex Michelsen and Jannik Sinner in the Miami Open, scheduled for March 24 2026.\nThis market will resolve to \"Over\" if the total number of games completed across all sets equals or exceeds 23. Otherwise, it will resolve to \"Under.\"\nAll tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.\nIf the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.\nResolution will be based on official ATP statistics.",
      "outcomes": "[\"Over\", \"Under\"]",
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  "enableNegRisk": false,
  "automaticallyActive": true,
  "eventDate": "2026-03-24",
  "startTime": "2026-03-24T20:00:00Z",
  "seriesSlug": "atp",
  "negRiskAugmented": false,
  "pendingDeployment": false,
  "deploying": false,
  "gameId": 5268915,
  "requiresTranslation": false,
  "eventMetadata": {
    "context_description": "Jannik Sinner's world No. 1 ranking and scorching hard-court form anchor his 86.5% implied probability against Alex Michelsen in the Miami Open. The Italian enters on a 25-match win streak across 2024, including Australian Open and Rotterdam titles, with straight-set victories in his Miami opener over Arthur Fils, showcasing elite serving and baseline dominance. Michelsen, a 19-year-old American ranked No. 52, impressed by upsetting Adrian Mannarino and Grigor Dimitrov in qualifiers but faces a steep class gap in his main-draw debut. No injuries reported for either; their first head-to-head favors Sinner's superior experience on fast Miami hard courts, where trader consensus reflects historical top-seed reliability over rising qualifiers.",
    "context_requires_regen": false,
    "context_updated_at": "2026-03-24T05:00:11.857Z",
    "league": "Miami Open"
  }
}