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If I believe a stock is going to fall, what options do I have to invest on this?
What financial instruments are there that are profitable when an underlying assets falls? The instrument you are looking for is called an Option, specifically a Put Option. It allows you, within the validity date, to sell ('Put') the respective shares to the option giver, at the predefined Strike Price. For example, let's assume APPL trades currently at 100 $ per share, and you think they will go down a lot. You buy one Put Option for 100 shares (they always come for larger amounts like 100s) for a Strike Price of 90 $, and pay 5 $ for it (it would be cheap if nobody believes they will fall that much). Note the last sentence under 2. - it is rather easy and very common when trading options to make complete losses. You have been warned. Are they available for IPOs? They could be available for IPOs, even before the IPO. However, someone has to put them out (some large bank, typically), which is some effort, and they would only do that if they expect enough interest and volume in the trade. most of the time, there will be no such options on the market. Are they available for foreign stocks?Yes, but again only selectively - only if the stock is well known and interesting enough for a broad audience.