NewLaunch a market

Create a prediction.

Ask a clear yes/no — or multi-outcome — question, seed it with an LMSR liquidity subsidy in USDC, and it goes live on Base. You earn the creator fee on every trade.

The question

Phrase it so the outcome is unambiguous and verifiable on a set date.

Question

Outcomes

Two for a binary market, up to 32 for multi-outcome.

2/32

Liquidity

The depth of your market — and the USDC you escrow to seed it.

The b parameter sets how much trading it takes to move the odds. A higher b means deeper liquidity and lower slippage for traders — but a larger upfront subsidy from you. The subsidy is b × ln(outcomes).

Liquidity parameter (b)Most binary markets start around 100–500.

Closing & resolution

When trading stops, and how the outcome will be decided.

Trading closesAfter this time, trading stops and the market awaits resolution.

Resolution sourceHow the outcome will be verified — e.g. Coinbase BTC/USD spot at close.

Banner image

Optional — leave blank to use on-brand category artwork.

Image URLA direct link to an image (png, jpg, webp).

Review & launch

Confirm the shape of your market, then seed it from the panel on the right.

Question: —
Outcomes: 2
Liquidity (b): 100
Network: Base
USDC subsidy to seed: $69.31

Once live, you collect the creator fee on every trade. The subsidy stays in the market as liquidity.

NewLaunch a market

Create a prediction.

Ask a clear yes/no — or multi-outcome — question, seed it with an LMSR liquidity subsidy in USDC, and it goes live on Base. You earn the creator fee on every trade.

The question

Phrase it so the outcome is unambiguous and verifiable on a set date.

Question

Outcomes

Two for a binary market, up to 32 for multi-outcome.

2/32

Liquidity

The depth of your market — and the USDC you escrow to seed it.

Liquidity parameter (b)Most binary markets start around 100–500.

Closing & resolution

When trading stops, and how the outcome will be decided.

Trading closesAfter this time, trading stops and the market awaits resolution.

Resolution sourceHow the outcome will be verified — e.g. Coinbase BTC/USD spot at close.

Banner image

Optional — leave blank to use on-brand category artwork.

Image URLA direct link to an image (png, jpg, webp).

Review & launch

Confirm the shape of your market, then seed it from the panel on the right.

Question: —
Outcomes: 2
Liquidity (b): 100
Network: Base
USDC subsidy to seed: $69.31

Once live, you collect the creator fee on every trade. The subsidy stays in the market as liquidity.