Resolution criteria: This market resolves to YES if the Dubai Metro Blue Line officially opens and begins passenger operations on or before September 9, 2029, which will be the 20th anniversary of the inauguration of the Dubai Metro. The market resolves to NO if the opening occurs after this specific date. Official announcement from Dubai's Roads and Transport Authority (RTA), Dubai Media Office confirming the opening date of the Blue Line for passenger service, or any other reputable source.

Context:

https://www.timeoutdubai.com/news/dubai-metro-blue-line-guide

Dubai Metro Blue Line set to begin operations in Sept 2029

The Blue Line will be designed to carry 46,000 passengers per hour in both directions, with a train frequency of approximately every two minutes