JUPITER PREDICTIONSSEASON 1
VERIFIED CALL
Cincinnati Open: Marta Kostyuk v Sloane Stephens
Marta Kostyuk
ENTRY
87¢
RESULT
+15%
CALLER
@surfmor
PLACED
2026-08-18 · 02:53 UTC
Nº 0001406R
WIN
+15%
839089258526
JUPCALLERS.FUN
WINPredictions · Tennis · WTACall #1406 · Season 1
Cincinnati Open: Marta Kostyuk v Sloane Stephens
Said · before resolutionAug 18, 2026 · timestamped in Discord
“Tennis: Marta Kostyuk vs Sloane Stephens (BO3) Reasoning: All models and the market consensus heavily favor Kostyuk around 85-87%. Kostyuk holds a massive form, ranking (#11 vs #240), and pace advantage on Cincinnati's fast hard courts. Stephens retains championship pedigree and defensive movement, but her recent match-to-match inconsistency cannot reliably counter Kostyuk's first-strike baseline aggression. The models unanimously project a straight-sets victory, with minor Bo3 variance being the only significant risk factor. Match winner Marta Kostyuk : 86c #nfa #dyor https://jup.ag/prediction/POLY-863114”
surfmor in #prediction-alpha-nfaOriginal message ↗ (opens in a new tab)
Enteredthe ask at that moment, not a price typed later
Marta Kostyuk @ 87¢
flat 1-unit stake — every call on the board is scored the same way
ResolvedAug 18, 2026 · market settlement
Won. Settled by the market’s official resolution.
+0.15uat a 1-unit stake (100 ÷ 87 − 1)
Verification details
gamma POLY-863114 "Cincinnati Open: Marta Kostyuk vs Sloane Stephens" outcome "Marta Kostyuk" price 0.9995 uma=proposed closed=false
The market
Cincinnati Open: Marta Kostyuk v Sloane Stephens
- Venue
- Jupiter Prediction Markets
- Ask at post
- Marta Kostyuk @ 87¢
- Resolution
- market’s official settlement