Utilize the input text as a context reference, choose the right relationship between IRESS and Australian Securities Exchange from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

BBY had about 1 per cent share of trading across the Australian Securities Exchange and Chi-X prior to being placed in voluntary administration, and accounted for 7 per cent of the local ETO market, according to IRESS data.

Answer: stock_exchange