← Live flags
Japan Women's Open: Mary Stoiana vs Katerina Siniakova
Resolved: Katerina Siniakova
Flags
2
Net whale flow → outcome 1
−$96.8k
Price 7d ago → now
30¢→0¢
Category
Sports
Outcome price
Drag to scrub · tap a dot for the trade · ● called ● missed ● pending ● excluded · times ET · what these mean
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Loading the latest $10k+ trades from Polymarket…
Straight from Polymarket's public trade feed, refreshed every 10s while this tab is open. Grades appear after markets resolve. Information, not advice.
Who's on each side
Whale money on this market, split by track record. Proven wallets beat the price over 20+ graded bets; losing wallets clearly lost to it. Everyone else is unrated.
| Side | All whales | Proven | Losing |
|---|---|---|---|
| Katerina Siniakova | $96.8k 2 flags |
none | none |
No rated wallets have traded here yet, so the whale money is unrated. Information, not advice.
Flags on this market
| Flag | Size | Result |
|---|---|---|
| LOW BUY Katerina Siniakova @ 99.9¢ | $72.2k 2.8× usual |
excluded |
| LOW BUY Katerina Siniakova @ 88¢ | $24.6k | excluded |
Summary
WhaleGrader has logged 2 whale trades on this market totalling $96.8k from 2 wallets. The largest was $72.2k (buy Katerina Siniakova at 99.9¢). Most whale money ($96.8k) went to Katerina Siniakova. 2 of 2 graded flags here called the outcome. The biggest whale here, c4acap ($72.2k), has called 0 of 1 graded flags overall (-40.6 pts vs price).
Market data from Polymarket (wta-stoiana-siniako-2026-10-23).