Marta KostyukvsSloane Stephens
Every tracked price on Marta Kostyuk vs Sloane Stephens, against the same margin-free fair line.
| Bookmaker | Side | Odds | Vs fair |
|---|---|---|---|
| Matchbook Exchange | Sloane Stephens | 7.47 | +3.4% |
| Tailgate Exchange | Sloane Stephens | 7.41 | +2.6% |
| duel | Sloane Stephens | 7.40 | +2.5% |
| Betfair Exchange (Australia) | Sloane Stephens | 7.27 | +0.7% |
| SX Bet | Sloane Stephens | 7.27 | +0.7% |
| Betfair Exchange | Sloane Stephens | 7.27 | +0.7% |
| 4Cx | Sloane Stephens | 7.20 | -0.3% |
| 1XBet | Sloane Stephens | 7.16 | -0.8% |
$116
back for every $100 staked
The average bettor runs a negative ROI. Omenizer's playbook strategies work the high-conviction tier (Omen 85+) — averaging +15.6% on every dollar staked across 2,530 settled signals detected in the last 365 days, losses included. Create a free account to see today's live signals.
| Bookmaker | Side | Odds | Vs fair |
|---|---|---|---|
| Limitless Exchange | Sloane Stephens | 7.16 | -0.8% |
| Novig | Sloane Stephens | 7.14 | -1.1% |
| Coolbet | Sloane Stephens | 7.00 | -3.1% |
| CampoBet | Sloane Stephens | 7.00 | -3.1% |
| STN Sports | Sloane Stephens | 7.00 | -3.1% |
| bet105 | Sloane Stephens | 7.00 | -3.1% |
| Overtime | Sloane Stephens | 6.96 | -3.6% |
| Dabble (Australia) | Marta Kostyuk | 1.17 | -5.5% |
| Polymarket (USA) | Sloane Stephens | 6.79 | -6.0% |
| Prophet X | Sloane Stephens | 6.78 | -6.1% |
| Novig | Marta Kostyuk | 1.16 | -6.7% |
| Tailgate Exchange | Marta Kostyuk | 1.16 | -6.7% |
| Kalshi | Sloane Stephens | 6.71 | -7.1% |
| Limitless Exchange | Marta Kostyuk | 1.15 | -7.1% |
| FanDuel | Sloane Stephens | 6.70 | -7.2% |
| Matchbook Exchange | Marta Kostyuk | 1.15 | -7.4% |
| Bracco | Sloane Stephens | 6.68 | -7.5% |
| Winpot | Sloane Stephens | 6.67 | -7.6% |
| Ninja Casino | Sloane Stephens | 6.67 | -7.6% |
| SX Bet | Marta Kostyuk | 1.14 | -7.6% |
| 4Cx | Marta Kostyuk | 1.14 | -7.6% |
| Prophet X | Marta Kostyuk | 1.14 | -7.6% |
| Betfair Exchange (Australia) | Marta Kostyuk | 1.14 | -7.8% |
| Betfair Exchange | Marta Kostyuk | 1.14 | -7.8% |
| Robinhood | Sloane Stephens | 6.66 | -7.8% |
| Polymarket (USA) | Marta Kostyuk | 1.14 | -7.9% |
| Betano (Greece) | Marta Kostyuk | 1.14 | -8.0% |
| Kalshi | Marta Kostyuk | 1.14 | -8.0% |
| Robinhood | Marta Kostyuk | 1.14 | -8.3% |
| theScore | Marta Kostyuk | 1.13 | -8.5% |
| ESPN BET | Marta Kostyuk | 1.13 | -8.5% |
| Coolbet | Marta Kostyuk | 1.13 | -8.8% |
No-vig fair odds (margin removed): Marta Kostyuk 1.24 · Sloane Stephens 7.22. How fair prices are made. Step through the devig math.
LIVE SIGNAL · exactly as it appears on the member board
6
Omen Score
+2.5%
Edge vs sharp consensus
95
Confidence
3
Sharp sources
Flagged side: Sloane Stephens
@ 7.40 — best price at Duel
This is 1 of the live signals on the board right now ·
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AN EXAMPLE OF THE MEMBER VIEW
· what members see on a bet like this — shown for a different,
already-settled match
PRO
Ekaterina Alexandrova vs Kristina Liutova
· WTA Tour · Tennis — flagged side Kristina Liutova
@ 3.10
81
Omen Score
Why this bet
+12.0%
Entry edge
+7.2%
Edge near close
+0.8%
Risk-adjusted edge
2.89
Fair price (no-vig)
3.65
Entry odds
Quality
95/100
Confidence
3
Sharp books
Prime signal
Class
Market state: Strong sharp consensus (3+ books) · priced from: Sharp price
Sizing
4.5%
Recommended stake
3.4%
Full Kelly (theoretical max)
EV by devig methodthe same price run through every de-margining method
+9.7%
Shin
+8.4%
Power
+12.0%
Additive
-5.4%
Worst case
+12.0%
Multiplicative
Insights
High confidence + meaningful price gap — best risk-adjusted segment.
A sample of bookmakers on this betnear close — every price against the same no-vig fair
| Bookmaker | Odds | Vs fair |
|---|---|---|
| Bwin | 3.10 | +7.2% |
| Sportingbet | 3.10 | +7.2% |
| Sportsinteraction | 3.10 | +7.2% |
| Superbet | 3.05 | +5.5% |
| Sx.Bet | 3.03 | +4.8% |
| Tailgate Exchange | 3.03 | +4.8% |
| Matchbook | 3.01 | +4.1% |
| Betway | 3.00 | +3.7% |
| Casumo | 3.00 | +3.7% |
| Unibet | 3.00 | +3.7% |
| Proline | 3.00 | +3.7% |
| betJACK | 3.00 | +3.7% |
Risk & profitability profile
Heavy favoriteFavoriteCoin flipUnderdogLongshot
3.10 odds → 32% implied win probability
35%
Fair win probability
+4.1% 🔒
Expected ROI (model)
+7.4% 🔒
Cohort realized ROI
Proven Playbook matchesconditions are members-only
• early value + short odds 🔒 (Any) — +7.9% settled ROI on 41% winners
• consensus fade + late entry 🔒 (Any) — +6.3% settled ROI on 43% winners
• steam entry + home side 🔒 (Any) — +4.3% settled ROI on 42% winners
Past performance
+7.0% 🔒
Closing line value
+7.7% 🔒
Average return
+6.3% 🔒
Beat the closing line
39%
Win rate
Likely ROI range: +3.2% to +8.3% 🔒
No reliable edge either way: too close to break-even to call
The endingthe part only a settled signal can show
Detected Jul 27, 12:51 UTC at 3.65 (+12.0% edge) → fair price at close 3.18 → closing-line value +2.4%
✅ Settled: WON · +2.65 units
A real, settled example — not a typical-results claim
(read this signal's full story).
The live breakdown for Marta Kostyuk vs Sloane Stephens
is on the member board now ·
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Live reference — prices refresh with this page (10-minute cache) and can change at the bookmaker. Not betting advice. Spotted an error? Request a correction (include this page's URL).