Request a snapshot of exchange data for a list of symbols.

`ids` and `oc` are required parameters, but only one can be used based on request. Use `ids` for regular snapshot requests, and `oc` for requesting an option chain. **Try it Out** feature is available using a pre-recorded sandbox environment. Follow Try it Out inscrutions on each parameter to develop a request and view a sample server response. '*You must be logged into the Developer Portal and obtain an **[API Key](https://developer.factset.com/factset/api-key-listing)** for ''Try it Out'...