Question 1

What is the “Will Matteo Berrettini win the 2025 US Open?” market asking?

Accepted Answer

It asks whether the following will happen: Will Matteo Berrettini win the 2025 US Open? It is one of the markets in the Polymarket event “2025 US Open Winner (M)”. Traders buy Yes shares if they think it will and No shares if they think it will not.

Question 2

What do the Yes and No prices mean?

Accepted Answer

At the last observation Yes traded at 0.0¢ and No at 100.0¢. A Yes share pays $1 if the market resolves Yes, so its price is the market's implied probability: 0.0% for Yes and 100.0% for No. The two prices add up to about one dollar.

Question 3

When does this market close?

Accepted Answer

Trading is scheduled to close on Sep 7, 2025. After the close no new trades are accepted and the outcome is settled by the resolution source.

Question 4

How does this market resolve?

Accepted Answer

This market will resolve to the player that wins the 2025 US Open Men’s Singles Tournament. The market will resolve to “Yes” if listed player wins the 2025 US Open Men’s Singles tournament. Otherwise, this market will resolve to “No”. If at any point it becomes impossible for this player to win the US Open Men’s Singles Tournament per the rules of the US Open, this market will resolve to “No”. The primary resolution source will be official information from the US Open (https://www.usopen.org), however credible reporting may also be used.

Question 5

What is the difference between volume, liquidity and open interest?

Accepted Answer

24h volume ($44.05K) is the dollar value of shares traded in the last 24 hours. Volume measures activity, liquidity measures how easily you can trade, and open interest measures how much is at stake.

Question 6

Who holds the biggest positions in this market?

Accepted Answer

Vultax loaded 26 public holder wallets for this market; the largest ten hold 99.4% of the loaded shares. The Holders view lists them by size on each side, and every wallet links to its trader profile.

Question 7

Where does this data come from and how fresh is it?

Accepted Answer

Prices, the order book, holders and the trade tape come from Polymarket's public order book and data API. Vultax records each observation with its own timestamp (market facts last updated Aug 23, 12:48 AM) and shows a value as unavailable rather than as zero when a source has not answered.

Question 8

Can I trade this market on Vultax?

Accepted Answer

No. Vultax is a research and paper-trading terminal; it does not execute orders. The trade controls open the official market on Polymarket (https://polymarket.com/event/will-matteo-berrettini-win-the-2025-us-open) or the Vultax predictions monitor, where you can track the market and paper trade it.

Trader	Outcome	Shares	Avg entry	Cost basis	Last trade
Indigo Signal 2966	No	1.72M	0.0%	$0
JordanistheGoat	Yes	620.3K	50.0%	$0

Trader	Current holding value
Indigo Signal 2966	$1.72M
JordanistheGoat	$0
AlienGambler	$0
Compliance	$0
OddsManipulator	$0
DickTurbin	$0
RobXK	$0
Novus0rdoSeclorum	$0
Siziriv	$0
untaken	$0
Jade Falcon 2704	$0
montty	$0

Will Matteo Berrettini win the 2025 US Open?

2025 US Open Winner (M)

Questions about this market