| IncrementSurplus | string (dec) | "0.050000000000000000" | percentage change in bid required for a new bid on a surplus auction |
| IncrementDebt | string (dec) | "0.050000000000000000" | percentage change in lot required for a new bid on a debt auction |
| IncrementCollateral | string (dec) | "0.050000000000000000" | percentage change in either bid or lot required for a new bid on a collateral auction |