What is the “OpenAI browser by October 31?” market asking?

It asks whether the following will happen: OpenAI browser by October 31? Traders buy Yes shares if they think it will and No shares if they think it will not.

What do the Yes and No prices mean?

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

How did this market resolve?

It resolved Yes on 21 Oct 2025. Trading has stopped; the record of prices, holders and trades stays on this page.

How does this market resolve?

This market will resolve to "Yes" if OpenAI publicly releases a standalone web browser that is intended for general web browsing and is available for use by the public in at least one country or region by October 31, 2025, 11:59 PM ET. Otherwise, this market will resolve to "No". For this market to resolve to "Yes," such a browser must be launched and publicly accessible, including via open beta or open rolling free waitlist signups. A closed beta or any form of private access will not suffice. The release must be clearly defined and publicly announced by OpenAI as being accessible to the…

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

Volume is the dollar value of shares traded in a period, liquidity is the dollar value resting in the order book ready to be traded against, and open interest is the value of all shares currently held. Volume measures activity, liquidity measures how easily you can trade, and open interest measures how much is at stake.

Who still holds shares in this market?

511 public wallets still held shares when Vultax last looked. Winners usually redeem their shares after settlement, so the remaining holders are mostly on the losing side.

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

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 Oct 23, 12:34 AM UTC) and shows a value as unavailable rather than as zero when a source has not answered.

Can I trade this market on Vultax?

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/openai-browser-by-october-31) or the Vultax predictions monitor, where you can track the market and paper trade it.

Resolved Yes: OpenAI browser by October 31?

Market referenceopenai-browser-by-october-31Updated Oct 23, 2025 UTC

Resolved

Yes · settled Oct 21, 2025 UTC

Yes

100.0%

0.0%

Final Yes 100¢Final No 0¢

Lifetime volume

$5.5M

Resolved

Yes

Settled

Oct 21, 2025 UTC

Source Evidence

Evidence coverage

Items

Fetched

Latest

Oct 23, 2025 UTC

Public Polymarket market/event context is available; Vultax source-pack coverage is tracked separately.

Depth

Observed

Oct 23, 2025 UTC

This closed market has no live orderbook depth; the public close quote is shown for context.

Trading stateMarket usability at the displayed observation.

Market state

Resolved

Order book

Captured book available

Final outcome

Yes

The resolved venue state is treated as proof of resolution; holder and trade rows are settlement context.

Holder depthCapped public top-holder sample.

Rows loaded

511

Wallets

511

Top 10 share

41%

Yes / No shares

91.5 / 737.13K

Rows reflect the positive holders returned for this market, not venue-wide open interest.

Recent tapeLatest public market trades.

Trades loaded

500

Wallets

329

Loaded notional

TradesRecent market trade tape linked back into trader pages.

Full tapeCheckSubscriber depth access is checked only when requested, keeping the public page fast.

Trader	Side	Outcome	Price	Shares	Time
Noted-Million	sell	Yes	99.9%	3.04	Oct 21, 7:35 PM UTC
TradingFrog	buy	No

Questions

Questions about this market

What is the “OpenAI browser by October 31?” market asking?: It asks whether the following will happen: OpenAI browser by October 31? Traders buy Yes shares if they think it will and No shares if they think it will not.
What do the Yes and No prices mean?: At the last observation Yes traded at 100.0¢ and No at 0.0¢. A Yes share pays $1 if the market resolves Yes, so its price is the market's implied probability: 100.0% for Yes and 0.0% for No. The two prices add up to about one dollar.
How did this market resolve?: It resolved Yes on 21 Oct 2025. Trading has stopped; the record of prices, holders and trades stays on this page.
How does this market resolve?: This market will resolve to "Yes" if OpenAI publicly releases a standalone web browser that is intended for general web browsing and is available for use by the public in at least one country or region by October 31, 2025, 11:59 PM ET. Otherwise, this market will resolve to "No". For this market to resolve to "Yes," such a browser must be launched and publicly accessible, including via open beta or open rolling free waitlist signups. A closed beta or any form of private access will not suffice. The release must be clearly defined and publicly announced by OpenAI as being accessible to the…
What is the difference between volume, liquidity and open interest?: Volume is the dollar value of shares traded in a period, liquidity is the dollar value resting in the order book ready to be traded against, and open interest is the value of all shares currently held. Volume measures activity, liquidity measures how easily you can trade, and open interest measures how much is at stake.

Analytics

Trader

Side

Outcome

Price

Time

Noted-Million

sell

Yes

99.9%

3.04

Oct 21, 7:35 PM UTC

TradingFrog

buy