Em AH ou PM que eu conheça não existem ordens stop, só por preço fixo. Se alguém tem isso disponível num broker que se acuse..
E por falar nisso, notícia de ontem.
NYSE to eliminate stop loss orders
The New York Stock Exchange announced that from February 26 it will not allow stop loss orders, Reuters reports.
Reuters notes: "Investors will not be able to make "stop orders" and "good till cancelled orders" on the New York Stock Exchange and NYSE MKT from Feb. 26, the exchange said, as it looks to reduce risks during choppy trading."
All existing "good till cancelled orders" and "stop orders" on the NYSE book will be canceled when the new measures come into effect, NYSE said on Monday, with a NYSE spokeswoman adding: "We expect our elimination of stop orders will help raise awareness around the potential risks during volatile trading."