Basel III capital standards were implemented in the Philippines beginning in 2014, earlier than other countries. This led Philippine banks to raise capital through various means in 2014. While the largest banks already had strong capital positions, other banks saw their capital ratios decline by around 200 basis points on average after Basel III took effect, in line with expectations. From 2010 to 2018, GDP growth remained steady around 6-8% despite changes to capital levels, contrasting predictions that growth may decline. However, returns on equity declined noticeably across big banks during this period, converging to around 8-10% for most, suggesting Basel III may have compressed bank profitability as expected by research.