Real-Time data for the QuoteVue data service for OPRA (the options price authority, which includes all the equity option exchanges). The cost is $2.50 per month for non-professionals. Only Non-Professionals can order this through the online store. Professionals are billed directly by OPRA. This is a pass-thru fee that is then paid directly to the exchanges. This product requires a subscription to the QuoteVue data feed or simultaneous purchase.