The rule is simple: a price ships only when we can source it from public USDA, BLS or FRED data at a quality we'd act on ourselves. For salmon fillet, the free wholesale series we need isn't wired up yet — and a thin, single-source guess would be worse than nothing.
What you can do now
Check your last salmon fillet invoice against your own recent ones, or open the live tool for the ingredients we do cover. This page fills in when the data does.