# Why was my order for another market refused?

> An order is only filled on the market it names.

Source: https://algobarsx.com/docs/why-other-market/

An order that names a market the run is not trading is refused, with a reason. Filling it on the current market would be worse than not filling it: a pairs trade would quietly become two orders on one instrument. List every market the strategy trades under `markets:` in the header. The live runner refuses it too, and says so.