The growth of the BET benchmark index was mainly backed by the evolution of the shares of Banca Transilvania (+6.3%), Nuclearelectrica (+1.1%) and Romgaz (flat).

Instead, the steepest losses were recorded in May by Digi Communications (-5.52%), Purcari (-5.45%) and Electrica (-4.67%), in line with stock market data.

The BET index has increased on average 0.9% in May 2022 since its setup in 1997. The seasonal positive evolution comes after the general meetings of shareholders in April.

Set up on September 19, 1997, BET had a maximum of 10 companies for nearly two decades. In March 2017, it was extended to 12 companies by including Conpet and MedLife. By mid-2017, BET was expanded to 13 companies, with the inclusion of DIGI Communications. In September 2018, two other companies were included: Sphera Franchise Group and Purcari Wineries. In March 2019, the BET index was expanded to 16 companies, after the inclusion of ALRO. In March 2020, the index was extended to 17 companies by the inclusion of TeraPlast. In September 2021, the index was extended to 19 companies after the inclusion of One United Properties and Transport Trade Services. 

The BET index has reached 20 companies since March 21, 2022, being the first time in the history of the index that this number had been reached. The 20 companies that are part of the BET and BET-TR indices are as follows: Aquila Part Prod Com (AQ), Alro (ALR), Banca Transilvania (TLV), BRD – Groupe Societe Generale (BRD), Bursa de Valori Bucuresti (BVB), Conpet (COTE), DIGI Communications (DIGI), Electrica (EL), Fondul Proprietatea (FP), MedLife (M), OMV Petrom (SNP), Nuclearelectrica (SNN), One United Properties (ONE), Purcari Wineries (WINE), Romgaz (SNG), Sphera Franchise Group (SFG), TeraPlast (TRP), Transgaz (TGN), Transelectrica (TEL) and Transport Trade Services (TTS).