For Smart Options, what's the mapping of topics to symbols?

There are 48 channels for market hours and 4 channels for extended hours. See pages 80 and 81 of the OPRA spec for what symbols are on what channels https://assets.websitefiles.com/5ba40927ac854d8c97bc92d7/6022f04ccc39cd2fc1220c48_OPRA%20Binary%20DR%20Spec%20Ve rsion%204.3_020521.pdf  Topic names attached: 

Did this answer your question? Thanks for the feedback There was a problem submitting your feedback. Please try again later.