UK Gambling Commission reports decline in active accounts and GGY Peter Lynch, Gambling Insider · July 20, 2021 at 5:42 pm Active accounts and gross gambling yield (GGY) have decreased from March 2020 to May 2021, according to the latest data from the [UK] Gambling Commission. The former decreased 14%, with the latter decreasing 5%. Total bets meanwhile remained at a similar level. Slots GGY increased to £211m from April to May, with the number of spins increasing 2% and active players decreasing 5%. The number of online slots sessions lasting longer than one hour decreased by 1%, with the average session length increasing to 20.7 minutes. Almost 9% of all sessions lasted over one hour. The data aims to show how the evolving Covid-19 lockdown measures have impacted online gambling behaviour in Great Britain.