Article on private vs professional investor

Good article here :

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I would directly read the circulaire from the ESTV/AFC. It is a bit longer but you have the official informations (which are the same of this article but longer with references to federal court judgements etc.).

Edit : Circulaire No 36 (apparently it is only 8 pages, I thought it was longer). According to the file name, looks like I dowlnoaded it 3 times :slight_smile:

German version
French version


Bought 50,000 CHF worth of stock by mistake which I sold immediately afterwards with a total loss of 35 CHF.

I wanted to sell 50,000 originally, accidentally bought 50.000 and ended up selling both the original and accidentally bough 50,000 CHF for a total sale of 100,000 CHF.

Do you think the tax office will realize that I made a mistake and not designate me as a professional investor despite not holding for 6 months ?

No personal direct experience like that, but based on other experience made (let’s say “worse”, selling for a profit after a month etc) I think that they definitely won’t classify you pro due to a trade like that.
I find there is generally way too much nervosity by “simple investors” on this forum about being classified a pro investor. If you have a full-time day-job you’re 99% safe for a start IMO, then u would need huge profits, fancy stuff day trading options, etc.

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