Will OpenAI have the best Code Arena | WebDev AI at the end of September 2026?
What resolves this contract
This market will resolve according to the company that owns the model that has the highest rank based on the arena.ai Code Arena | WebDev Leaderboard when the table under "Code Arena | WebDev" filtered for "Models" is checked on September 30, 2026, 12:00 PM ET. Results from the "Rank" column under the "Code Arena | WebDev" Leaderboard tab at https://arena.ai/leaderboard/code/webdev (Overall) filtered for "Models" will be used to resolve this market. Models will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be orde
How to read the price
Prediction market prices are expressed in cents on the dollar. A YES contract trading at 17¢ means the market is pricing in a 17.3% implied probability of the event resolving YES. If resolution comes back YES, the contract pays $1. If NO, it pays $0.
Volume vs. open interest
Total traded volume ($9,711) reflects every buy and sell across the life of this contract. Open interest ($1,644) is the dollar value of positions currently held by traders. Deep liquidity and wide open interest are the two signals that the quoted price is reliable.
Where to trade this market
This contract is listed on Polymarket. PicksByOdds does not accept deposits, execute trades, or offer brokerage. We publish the data; you decide what to do with it.
Markets in the same story
| Market | YES | Volume |
|---|---|---|
| Will Crude Oil reach a new all-time high by December 31? | 9¢ | $999,652 |
| Will Lovable be acquired before 2027? | 14¢ | $978,692 |
| Will Red Bull Racing be the 2026 F1 Constructors' Champion? | 1¢ | $978,619 |
Common questions about this market
How is this market resolved?
This market will resolve according to the company that owns the model that has the highest rank based on the arena.ai Code Arena | WebDev Leaderboard when the table under "Code Arena | WebDev" filtered for "Models" is checked on September 30, 2026, 12:00 PM ET. Results from the "Rank" column under the "Code Arena | WebDev" Leaderboard tab at https://arena.ai/leaderboard/code/webdev (Overall) filtered for "Models" will be used to resolve this market. Models will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be orde
When does this contract expire?
This contract closes on 2026-10-01, 27 days from now. After close, the final outcome is determined per the resolution rules above, and contracts settle at $1 (winning side) or $0 (losing side).
What happens if I buy YES at 17¢?
If the event resolves YES, each YES contract pays $1, a profit of 83¢ per dollar risked. If it resolves NO, the contract pays $0 and the full 17¢ is lost. Current market price implies a 17.3% probability of YES.
Where is this market listed?
This contract is listed on Polymarket. PicksByOdds aggregates and displays public market data; we do not broker trades or custody funds.
How reliable is the quoted price?
This market has $9,711 in total traded volume and $1,644 in open interest. Deeper liquidity generally means tighter spreads and more reliable implied probabilities. Prices refresh multiple times per day.