Updated Sep 2, 2026 – 3.57pm, first published at 12.00pmMortgage borrowers across the country are switching $1 billion across lenders every day, forcing banks to fight over a shrinking pie and sharpen their efforts to retain customers.About 664,000 home loan customers holding $371 billion of mortgage balances shifted lenders in the year to June 30 – an increase of 13 per cent on the amount switched in the 2024-25 financial year.Subscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber? Fetching latest articles