Online brokers Avanza and Nordnet are scheduled to release their monthly reports on Wednesday, detailing net inflows and transaction volumes. On Monday, exchange operator Nasdaq Nordic released its own data, which includes figures for both digital platforms.

Avanza saw its trading turnover decline to approximately 8.81 billion euros in April, a 10.8 percent drop from 9.88 billion euros the previous month. Rival Nordnet recorded a sharper decline of approximately 17.3 percent, with volumes falling to 7.28 billion euros from 8.9 billion euros in March.

Across Nasdaq Nordic as a whole, total turnover fell by 17.5 percent during the month, while the number of executed trades decreased by approximately 18 percent.

The number of trades for Avanza totaled 4.43 million (compared to 5.25 million the previous month), while Nordnet recorded approximately 2.32 million trades (down from 2.73 million in March).

Nasdaq's statistics cover equities and various derivatives traded on Nasdaq Nordic, which encompasses the exchanges in Stockholm, Helsinki, Copenhagen, and Iceland.