(Bloomberg) -- The lofty premium on SK Hynix Inc.'s US-listed shares, following its $26.5 billion mega listing, will come under scrutiny as the memory chip giant's stock becomes convertible. Here is a guide outlining what happens next:What steps are SK Hynix taking to prepare for the conversion? Market participants expect conversion timelines and fees to be broadly in line with those of other Korean ADRs, implying a process that may take three to five days. How much room is there to convert SK Hynix Seoul-listed shares into ADRs? Each SK Hynix ADR represents one-tenth of a common share, and regulatory filings show that ADR holders can cancel their receipts and receive the underlying Korean shares.