Synthetic Prices Used For Options Settlement Derivation

As a result of the underlying futures settling at their limit prices for the below options, these are the synthetic prices used for the derivation of the corresponding options settlements:

Trade Date: 08/17/2018

Contract Month Futures Settlement Price (Limit) Synthetic Price
Lumber September 2018 472.50 478.00
Lumber November 2018 450.70 455.00