Commodities

External Trading Sessions

For commodities, the relayer sources executable quotes from institutional liquidity providers for market open sessions.

Instrument	Week Start (UTC/GMT)	Week End (UTC/GMT)
Gold (XAU/USD)	Sunday 18:00 ET	Friday 17:00 ET
Silver (XAG/USD)	Sunday 18:00 ET	Friday 17:00 ET
CL (WTI/USD)	Sunday 18:00 ET	Friday 17:00 ET

Internal Trading Sessions

Internal pricing is used from Friday 17:00 ET to Sunday 18:00 ET, including during the daily maintenance window, which applies from 17:00 ET to 18:00 ET, Monday to Thursday. Gold, silver, and CL trading follow CME holiday closures. Internal pricing also applies any time there is a gap of more than 30 seconds between external oracle datapoints. You can read more about the internal pricing mechanism here.

Data Source

All market open pricing references are derived from Pyth Network’s feeds, such as:

Asset	Feed
Gold (spot)	https://insights.pyth.network/price-feeds/Metal.XAU%2FUSD
Silver (spot)	https://insights.pyth.network/price-feeds/Metal.XAG%2FUSD
CL (futures)	https://insights.pyth.network/price-feeds/Commodities.WTIG6%2FUSD