Creating a market

Status#

PredictionMarketFactory.createMarket charges the fee, deploys the market clone, registers its question with LaunchOutcomeOracle and posts the opening stakes, all in one transaction.

Which questions can be asked#

The oracle checks a question at registration, so a market that cannot be settled is never created. Only metrics a staker cannot cheaply move inside the settlement window are accepted.

Comparators: EQ, NEQ, GT, GTE, LT, LTE. A window left at zero takes the factory’s default, 6 hours. Ids and reads: Prediction markets metrics.

Listing a settlement currency#

A graduated Hood launch token can become a settlement currency through SettlementRegistry’s listing gate. Anyone may propose it, once, by paying the listing fee through ListingFeeDesk.payAndPropose.

feeTokens = feeUsd × totalSupply / twapFdvUsd      // rounded up
twapFdvUsd = time-weighted mean of PoolMetrics' samples over its 7-day window

The fee goes to FeeConverter, is sold to ETH along the token’s registered route and paid to ProtocolFeeSplitter, where it counts toward the fee meter. A token with no registered route waits in the converter until one exists. A token that fails a bar reverts before any token moves.

The creation fee#

MarketCreationDesk prices every creation from the PricingRules market creation price — $1 on production, converted at the posted price into the market’s own currency — and the factory splits it.

A voucher or a discount lowers what the creator pays, never the opening stakes. Fees are the same before and after TGE and are always paid in the market’s currency: no THD, no burn.

The surge, and unsigned creations#

A signed creation pays the base fee plus a per-creator surge. Each creator has a level in ETH value that halves every half-life and steps up after every creation. There is no cap.

Signed creations verify against the launchpad’s LaunchAttestor. Markets carry no referrer. ETH attached above the amount owed is refunded in the same transaction; an ERC-20 fee must arrive in full (CreationFeeShortfall).

Opening stakes#

Every market in a priced currency opens with an equal opening stake on YES and NO — 25% of the base price each — credited to MarketSeeder. Both pots are non-empty from the first block, so the market always has a counterparty.

The buffer is 100 markets’ worth of opening stakes per currency (BUFFER_MARKETS). A seeder too short to top up a discounted creation refuses the market rather than opening it thin. The seeder has no owner, no pause and no setter.

Featured markets#

A creator may buy a featured placement. It is charged at settlement as a share of the pot, on top of the protocol fee, and paid to the marketing treasury — never metered. A voided or one-sided market pays nothing.