If ihave 1k how much to use margin for safe trade
To hold position for say two days
And which safe laverage to use
If you have $1000 I would say it would be best to trade futures little by little. If you start trading with all your funds then don't take too much risk as you definitely cannot lose your money if the market is volatile. If you do futures trading using $300 to $400 dollars then it will help you to reduce risk a lot and you can make profit, moreover you can add liquidation if you face loss. Also if you are trading futures you must reduce your leverage to 5x maximum leverage otherwise you can lose money. But you have to accept that futures trading is the highest risk and most likely to lose money, but spot trading is not so risky.
That's why, futures trading isn't recommended for newbies who don't have enough knowledge and experience about the market or trading practices and risk management techniques and someone who has just started their journey should do it from the spot market because they won't have to be a victim of liquidations due to volatility of the cryptocurrencies they are trading. Leverage and margin trading are for experts who have vast knowledge about the industry and such trading practices.
A lot of people get into futures trading only because they think that they can earn a lot of money from it after seeing fabricated and edited screenshots from social media groups related to trading and cryptocurrencies but they don't understand the risks behind it because people who share such screenshots don't share that it's not easy to achieve that.