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Japan Women's Open: Katie Boulter vs Himeno Sakatsume

● quote just now
Sports→TennisCloses: 6 daysLiquidity: $26.8KOfficial 24h Vol: $382.9KEvent: Japan Women's Open: Katie Boulter vs Himeno Sakatsume
93.0¢
Katie Boulter
7.0¢
Himeno Sakatsume
2.0¢
Spread
anomaly1Activity anomaly — current observed activity versus the market baselinedirection0Direction — strength and consistency of signed flow between the two outcomeswallets24Wallet quality — contribution from verified profitable non-bot walletsexecution72Execution — spread, depth and quote quality; not expected valuepriority0Opportunity priority — ranking score, not predicted return or edgedata 56%💡 14 smartMeasured profitable wallets: positive real PnL, 20+ trades, non-bot
24h sample:113 trades$93.8K tracked2% 🐋source coverage 24%BUY/SELL known 100%
tape 38 min agoofficial metadata 3 min ago
Profitable-wallet flow · 7d:Katie Boulter · $5.1K net·14 wallets·$21.8K gross
Largest observed trade · 30d:BUYKatie Boulter$25.0K@ 69¢·robustmst

Decision read

Evidence and execution checklist — not a trade recommendation

WAIT — EVIDENCE TOO THIN
What the tape says

No material 1h direction in the tracked BUY/SELL sample.

1h
+$17
6h
+$40
tracked
$93.8K

14 verified profitable wallets: Katie Boulter · $5.1K net over 7d.

Can it be executed?
2.0¢displayed spread

Workable spread; verify depth and the $10K slippage estimate below.

Data confidence 56% · priority 0

Priority ranks review urgency; it is not probability or expected value.

Risks / missing evidence
  • •Observed tape is 38 minutes old.

Stronger read requires meaningful signed flow plus confirmation across distinct observed wallets.

Resolution & market truth

Verify what settles the market before reading flow as a thesis

Resolution
OPEN
Trading
Orders accepted
Deadline
2026-10-26 01:00 UTC
Event constraint
Not verified
Resolution source: https://www.wtatennis.com/scores
Read full resolution rules

This market refers to the tennis match between Katie Boulter and Himeno Sakatsume in the Japan Women's Open, originally scheduled for October 18, 2026 at 9:00PM ET. This market will resolve to 'Katie Boulter' if Katie Boulter advances against Himeno Sakatsume. This market will resolve to 'Himeno Sakatsume' if Himeno Sakatsume advances against Katie Boulter. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 1, 2026, 11:59 PM ET (14 days after the scheduled start), 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 WTA Tour. A consensus of credible reporting may also be used.

Event-level hedge context · observed 7d flow
ferrariChampions20262 linked markets · $14.8K gross
0x37b0…799f2 linked markets · $16 gross

Multi-market activity can be a hedge; do not read one leg as the wallet’s full thesis.

Evidence receipts

Timestamped alerts and their measured outcomes; losses and unavailable checks remain visible

ANTI CHASEBUY Katie Boulter13h ago
Outcome checks pending
LARGE FLOWBUY Katie Boulter@ 77.0¢13h ago
15m UNAVAILABLE1h CONFIRMED +16.0pp6h CONFIRMED +16.0pp
MARKET SWEEPBUY Katie Boulter@ 68.0¢13h ago
15m CONFIRMED +15.0pp1h CONFIRMED +26.0pp6h CONFIRMED +25.0pp
Latest book event: Katie Boulter DOWN 2.5pp · near-book depth $50.6K → $4.0K · 4s

Outcome Price History

Executable orderbook · both outcomes
Loading executable orderbook…

Signals Trend

Market Analytics

Signed Order Flow

Directional flow: positive values favor Katie Boulter; negative values favor Himeno Sakatsume. Only trades with known BUY/SELL action are included.
1hKatie Boulter · $17
6hKatie Boulter · $40
24hKatie Boulter · $69.1K

Katie Boulter price VWAP

Volume-weighted Katie Boulter price. Himeno Sakatsume fills are converted to the complementary Katie Boulter probability before aggregation. Distance from VWAP is displacement, not an overbought/oversold signal.
Current93.0¢
VWAP 24h68.8¢▲ above by 24.2pp
VWAP 7d68.8¢
Largest observed holdersActual token balances from Polymarket's holders endpoint. Coverage is limited to the top 20 holders per outcome; percentages are within the reported sample, not total supply.

Largest holders

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Katie Boulter price Volume Profile · tracked 30d

95¢
$4.0K
90¢
← now
$5.6K
85¢
$0
80¢
$1.7K
75¢
$137
70¢
$3.4K
65¢
$63.2K
60¢
$2.5K
55¢
$2.2K
50¢
$3.7K
45¢
$7.3K
40¢
$0
35¢
$0
30¢
$0
25¢
$0
20¢
$0
15¢
$0
10¢
$0
5¢
$0
0¢
$0

VPOC = 65¢ · highlighted bar = current price · blue bar = VPOC

Observed net position building

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Observed Tape · BUY/SELL shown outcome · retained 30dupdated less than a minute ago
Loading trades…
🐋 Large Trades$10,000+ · retained 30dBUY/SELL shown outcomeΔ now
BUYKatie Boulter$25.0K@ 69.4¢
robustmst0xebfd…fd63
🐋—about 13 hours ago
BUYKatie Boulter$25.0K@ 68.0¢
robustmst0xebfd…fd63
🐋—about 13 hours ago

Related Markets · same event first, then category

Japan Women's Open: Completed Match: Katie Boulter vs Himeno Sakatsume
0.0¢$8.3Kpriority0Opportunity priority — ranking score, not predicted return or edge
Set 2 Winner: Katie Boulter vs Himeno Sakatsume
88.5¢$2.4Kpriority0Opportunity priority — ranking score, not predicted return or edge
Set Handicap: Katie Boulter (-1.5) vs Himeno Sakatsume (+1.5)
0.0¢$273priority0Opportunity priority — ranking score, not predicted return or edge
Game Spread: Katie Boulter (-3.5) vs Himeno Sakatsume (+3.5)
0.0¢$231priority0Opportunity priority — ranking score, not predicted return or edge
Katie Boulter vs. Himeno Sakatsume: Total Sets O/U 2.5
0.0¢$57priority0Opportunity priority — ranking score, not predicted return or edge
Boulter vs. Sakatsume: Match O/U 22.5
0.0¢$7priority0Opportunity priority — ranking score, not predicted return or edge
Boulter vs. Sakatsume: Match O/U 21.5
0.0¢—priority0Opportunity priority — ranking score, not predicted return or edge
Boulter vs. Sakatsume: Match O/U 23.5
0.0¢—priority0Opportunity priority — ranking score, not predicted return or edge

Observed whale buys · 7d

Aggregated BUY fills of $10K+ per wallet and outcome

robustmstKatie Boulter$50.0K
BUY VWAP 68.7¢·2 fills
ferrariChampions2026Katie Boulter$12.1K
BUY VWAP 68.0¢·3 fills

Observed BUY activity; current holdings and position change may be unconfirmed.