sydneyaustralian payments firm tyro payments ltd said that it remained open to further approaches after rebuffing an improved takeover proposal by private equity asxlisted tyro on monday said that a consortium led by potentia capital management pty ltd proposed offering a160 per share in cash scrip or a combination of the two the proposal valued tyro at 875 million australian dollars us5947 million tyro which in september turned down a potentia proposal worth a127 a share as highly opportunistic said that the proposal significantly undervalued the business and its prospects tyro remains open to engaging with any credible change of control proposal it receives that represents compelling value for tyro shareholders tyro said in a filing to the australian securities exchange tyro said that westpac banking corp had also decided against submitting an offer following preliminary discussions