How do I trade on “Second-best AI Agent Lab end of October?”?

Choose an outcome, enter an amount and confirm the trade. A share’s price is the market’s implied probability; the minimum trade is $1. You can sell your shares at any time before settlement.

How will “Second-best AI Agent Lab end of October?” be resolved?

The market settles by the actual outcome of the event: shares of the correct outcome pay $1 each. The exact criteria are in the market rules above.

When does “Second-best AI Agent Lab end of October?” close?

The expected close is до Oct 31, 2026. You can close your position at any time before settlement.

What is the trading volume of “Second-best AI Agent Lab end of October?”?

The current trading volume is $71K. It updates in real time.

Second-best AI Agent Lab end of October?

$71K volume·до Oct 31, 2026

OUTCOMESPROBABILITY · PRICE

Anthropic$16K volume0123456789%-1 pp

PriceSharesTotal

OpenAI$25K volume01234567890123456789%+16 pp

Z.ai$2K volume0123456789%-2 pp

SpaceXAI$2K volume0123456789%

Meta$3K volume0123456789%-1 pp

Alibaba$976 volume0123456789%

Google$5K volume0123456789%-19 pp

Moonshot$9K volume0123456789%-3 pp

DeepSeek$2K volume0123456789%

Xiaomi$478 volume0123456789%

MiniMax$987 volume0123456789%

Nvidia$776 volume0123456789%

ByteDance$825 volume0123456789%

Baidu$839 volume0123456789%

Amazon$933 volume0123456789%

Mistral$578 volume0123456789%

Meituan$949 volume0123456789%

Microsoft$400 volume0123456789%

This market will resolve according to the second-highest ranked Company based on the arena.ai Agent Arena Leaderboard when the table under "Agent Arena" filtered for "Labs" is checked on October 31, 2026, 12:00 PM ET.

Results from the "Rank" column under the "Agent Arena" Leaderboard tab at https://arena.ai/leaderboard/agent filtered for "Labs" will be used to resolve this market.

Models marked “AutoEval” at the applicable check time will not be considered, regardless of whether they display a rank or score.

AI companies will be ordered primarily by their Lab Rank at the market’s check time. If the results based on the lab ranking are ambiguous or unavailable, the relevant AI companies will be ordered according to their highest-ranking AI model in the leaderboard’s “Models” view. If two or more models are tied on rank, they will be ordered by which model is listed higher on the leaderboard. If a tie still remains, alphabetical order of AI lab/company names as listed in this market group will be used as a final tiebreaker (e.g., “Google” would be ranked ahead of “SpaceXAI”). This market will resolve based on the company that occupies second place under this ranking.

The resolution source for this market is the arena.ai Agent Arena Leaderboard. If this resolution source is unavailable at check time, this market will remain open until the leaderboard comes back online and will resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve to "Other".

✓Market open for trading

Proposed outcome

Final review

Questions and answers

“Second-best AI Agent Lab end of October?” is a prediction market on Melbo. A share’s price reflects the probability of the outcome: on the correct outcome each share settles at $1, on the wrong one at $0.