I have to say that @okxchinese's response is very fast. This afternoon, @Haiteng_okx came to study this product with me, saying that OKX has a similar product that can be fully executed through AI, which is equivalent to directly using AI to perform combination trades of selling CALL and selling PUT.

Many friends might not quite understand, but the essence of dual-currency wealth management is a form of options. Selling CALL means selling $BTC at the expected price. For example, if I want to sell Bitcoin at $80,000, I can set a sell CALL order at $80,000. Assuming the time is three days, if the price of Bitcoin at 4 PM (Beijing time) after three days is above $80,000, then the sale will be successful.

Obtaining $80,000, of course, friends may notice the problem here: if the price at that time is already $90,000, but you can still only get $80,000 (of course, there is also a portion of the premium, which I won't mention for now). So, I don't know about others, but when I do sell CALL, I won't hold it for too long, 24 to 48 hours at most.

Of course, selling CALL is like doing short-term trading, where the goal is not necessarily to hold BTC for long-term appreciation but to take advantage of short-term price fluctuations. For example, I bought Bitcoin at $75,000 and then sold it at $80,000, and then I might look for the next buying point and buy again, then sell.

The action of buying Bitcoin at $75,000 can be executed through selling PUT. For example, my order yesterday was a sell PUT at $75,500. If by 4 PM on the 28th, the price of BTC is below $75,500, I will acquire BTC at $75,500. Of course, even if the price of Bitcoin drops to $60,000, I will still only acquire it at $75,500.

Therefore, for me personally, the combination trades of selling CALL and selling PUT are both aimed at short-term trading, which helps avoid large price discrepancies, making it a form of short-term trading.

I noticed a friend in the comments asking if this is similar to grid trading. In fact, it is somewhat similar in form, but there are still significant differences. Selling CALL and selling PUT is a type of options trading that generates premiums when there are no transactions conducted. The income from this premium can be quite considerable; for example, if I did it for a month, I basically achieve an annualized return of about 14%.

Indeed, dual-currency is available on #Binance, #OKX, and #Bitget. The differences are more noticeable in the interest rates. Compared to the premiums of options, the interest on dual currency is indeed a bit lower, but now both Binance and OKX offer customized dual currency investments, where the interest can be a bit higher.

However, I still hope that exchanges can compete healthily and provide dual-currency users with higher interest rates.

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