Article 3
Sources of market data
Institutions shall consider a full range of available and reliable market data sources to determine a prudent value including each of the following, where relevant:
exchange prices in a liquid market;
trades in the exact same or very similar instrument, either from the institution's own records or, where available, trades from across the market;
tradable quotes from brokers and other market participants;
consensus service data;
indicative broker quotes;
counterparty collateral valuations.
For cases where an expert-based approach is applied for the purpose of Articles 9, 10 and 11, alternative methods and sources of information shall be considered. including each of the following, where relevant:
the use of proxy data based on similar instruments for which sufficient data is available;
the application of prudent shifts to valuation inputs;
the identification of natural bounds to the value of an instrument.