Possession of a name "stock" linked with the Japan Sumo Association is a normal requirement for any wrestler hoping to stay in the sport's ruling body after retirement.
Known as toshiyori myōseki or toshiyori kabu— typically translated into English as "elder name share" — there are currently 105 in use, with two names lying vacant.
The ichidai-toshiyori system — which bestowed upon certain great yokozuna a special one-off, nontransferrable name share derived from their ring name — appears to have been abandoned in the wake of a controversial 2021 report.
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