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Sports · Polymarket

US Open WTA: Naomi Osaka vs Elena Rybakina

Trade on Polymarket →
43.50%
17.9% calibrated
09 AM12 PM03 PM06 PM09 PMMon 0703 AM06 AM09 AM12 PM03 PM06 PM38404244464850%43.50%

Stats

24h Volume
$586.6K

Your call

The market says 43.5%. Disagree cheaply, or put a record behind it.

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True cost to trade

The quoted price is not what anyone pays. Below it is the same trade with the spread crossed, the depth consumed and the venue's own fee paid — the break-even probability a buyer would actually need to believe.

Side
Order
PolymarketLive order book
Quoted price43.50%
Spread + depth+0.50 pts
Fee0.00% of stake
Break-even probability44.00%
2273
Shares
$1,273
Net if it wins

Live Order Book Depth

Spread
1.0¢ (2.3%)
Mid Price
43.5¢
Total Depth
$433,071
Bid/Ask Imbalance
26% bid
Bids (Buy)
43.0¢82,896
42.0¢60,655
41.0¢45,313
40.0¢16,421
39.0¢15,259
38.0¢9,227
37.0¢5,000
34.0¢12
Asks (Sell)
44.0¢114,599
45.0¢39,994
46.0¢21,359
47.0¢15,962
48.0¢442
49.0¢3,417
50.0¢6,723
51.0¢10,518
Estimated Slippage to Buy "Yes"
walking the real book
$100 order
44.00¢0.00%
avg fill · slippage
$1,000 order
44.00¢+0.00%
avg fill · slippage
$10,000 order
44.00¢0.00%
avg fill · slippage

Compare Across Platforms

Consensus (2 platforms, liquidity-weighted)43.50%→ 17.9% calibrated
Platforms agree closely — 0pt spread.
PlatformQuestionLive PriceReal Bid / AskWeight
PolymarketUS Open WTA: Naomi Osaka vs Elena Rybakina43.50%43¢ / 44¢
82%
LimitlessNaomi Osaka vs Elena Rybakina43.50%41.2¢ / 45.8¢
18%

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Frequently Asked Questions

What is the current probability for "US Open WTA: Naomi Osaka vs Elena Rybakina"?

As of the latest update, Polymarket prices this at 43.50%, based on $586.6K in tracked 24h trading volume.

When does this market close?

This contract is scheduled to resolve on or around September 14, 2026, per Polymarket's listed close time.

Where can I trade this market?

This contract trades live on Polymarket. You can view the live order book and trade it directly at the source link on this page.

Is this market listed on other prediction platforms?

Yes — PredictRankd has confirmed this is also listed on: Limitless (43.50%). The real bid/ask-spread-weighted consensus across all 2 platforms is 43.50%. See the full comparison table below.