However, though the "big board" has already become a reference indicator for the stamp market, stamp trading is not as open as stock buying, and has no publicly fixed prices as in the gold market. Only one or two companies fix their buying and selling prices according to "market supply and demand."
但儘管「行情表」已成為郵市的參考指標，然而郵票買賣既沒有股票交易的公開透明，也不像黃金買賣般有公訂價格，只是一兩家郵商依「市場供需情況」，及其買、賣成交價訂出來的。