That board doesn't have a moderator, you don't moderate any boards. You two should maybe get together and talk.
In the future, if you ever are a moderator, click on the Manage tab and then click on: Request Board Name/Ticker Change Make a note xyzx to xyrt put in a reference link for the reason: http://otce.finra.org/DLSymbolNameChanges You can search data dates to get the right change date, and you're done, hit the submit your request button.