New answers tagged interactive-brokers
Here is a list of vendors connected to OPRA directly who can supply such data. http://www.opradata.com/related_info/vendor_list.jsp Like yourself I looked at Xignite. They have a nice REST API, though not streaming. But pricing is such that it is clear they only want to cater to institutions. Btw, with a $30K budget you can probably become a Tier1 quote ...
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