Oi was born as Brazil's great national telephone company, privatised from state hands in 1998 and built to serve half the country. Today it is in court-ordered liquidation, a cautionary tale about debt, missed turns, and a market that moved faster than management could. Full nameOi S.A. — Em Recuperação Judicial (in judicial reorganisation) Tickers / exchangeOIBR3 / B3 (São Paulo) HeadquartersRua do Lavradio 71, Rio de Janeiro, RJ, Brazil SectorCommunication Services — Telecom Services Employees~2,600 (Google Finance, 2025; RT not disclosed) Market value (market cap)R$40m (~$7.8m USD) (our calculation) …
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