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NegRiskAdapter adds multi-outcome market support on top of ConditionalTokens. Paired with PredictStreetNegRiskCtfExchange.

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Why separate from binary

Binary markets = 2 outcomes, 2 position tokens. Multi-outcome could use one condition per outcome, but that’s collateral-inefficient — holding NO across all outcomes should equal 1 USDC, traded atomically.

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Market setup

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convertPositions

Example: 4-outcome market; hold NO on outcomes 1, 2, 3 (indexSet 0b1110), want to collapse to USDC — burn 1 NO_1 + 1 NO_2 + 1 NO_3, receive 1 USDC.

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Via the API

Partners typically call through the vault’s dual-sig path:

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Resolution

Each outcome settled independently against the same conditionId. At resolution, reportPayouts called with payout array.

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Source

0x3BE93B8e19b73e1b21B65adFFEF4ef248715D21B (testnet); PredictStreetNegRiskCtfExchange at 0x2eB97912c333963a21410Af1eF7E9a0aAB7631bf.