How much is the broker’s fee for RTBs? February 28, 2020 02:46 Updated None. There is no transaction fee for the primary issuance of RTBs. Related articles Can I order RTB anytime? What will be my proof of ownership for RTB? Can I order RTB online even if my bank account is not Metrobank? Can I sell partial amounts of the RTB? Retail Treasury Bonds Tranche 30 (RTB 30) FAQs