RektDetective

I recently noticed that many people around me are interested in foreign currency investment, but many of them actually don’t really know how to get started. Rather than saying that making money with foreign currencies is hard, it’s more accurate to say that many people take the wrong direction from the very beginning. I started from scratch and figured things out through trial and error myself. Today, I’m going to organize the lessons I’ve learned over the years, hoping to help beginners who want to make money with foreign currencies avoid detours.
First, let me talk about my understanding of

Recently, I’ve seen many beginners get trapped in investment communities, which made me realize that many people don’t even know they’ve already become “stock chives.” It’s a bit painful to say, but this is indeed the most common phenomenon in the market.
First, let’s talk about why the term “chives” is used. Chives are a vegetable that grows quickly and has strong vitality; after being harvested once, they can grow back again and again. The financial world borrows this metaphor to describe retail investors who frequently suffer losses in trading but keep entering the market repeatedly. After

I only just realized that I don’t truly understand the currency symbols of different countries well enough. When making international investments or trading foreign exchange, just looking at the codes can sometimes really lead to mix-ups, so I decided to put together a currency symbol table for easy reference.
In fact, the biggest role of currency symbols is convenience. Writing $40 is much simpler than writing 40 US dollar, and you can recognize which country’s currency it is at a glance. For example, when you see €, you know it involves euro-related currency pairs, and combinations like €/$

Recently, I’ve noticed many people discussing bear markets, and I’ve found that quite a few still have a somewhat unclear understanding of what a bear market really means. Today, I want to organize it from my own perspective: what a bear market is, and how to respond to it.
In simple terms, a bear market is when stock prices fall more than 20% from their highs. This applies not only to stocks—bonds, precious metals, and cryptocurrencies are all affected too. But it’s important to note that a bear market is different from a market correction. A correction is only a short-term adjustment of 10–2

While checking the market recently, I noticed that when many people’s long-term positions stall, they start thinking about how to pick stocks for quick profits in the short term. I’ve tried this logic myself, and later I realized that the core of short-term trading is really just one thing: fast capital turnover and profiting from price fluctuations.
Short-term trading usually means entering and exiting within a day or a few days. Put simply, you don’t need to care too much about a company’s fundamentals; instead, you mainly rely on technical analysis and market sentiment to make decisions. Th

Recently, I've been watching the yen exchange rate and found that this yen depreciation is definitely not a short-term event. The USD/JPY is currently fluctuating between 152 and 160, and the effective exchange rate has even hit a nearly 53-year low, which is quite astonishing.
After taking a closer look at the reasons, it mainly comes down to the US-Japan interest rate differential acting up. U.S. interest rates have remained high, while the Bank of Japan's rate hike pace has been relatively slow, leading to a lot of arbitrage trading—everyone borrowing low-interest yen to invest in high-yiel

Recently, I’ve seen people discussing leveraged trading again, and it reminded me that this topic is still worth having a good conversation about. To be honest, leverage looks enticing, but it’s also one of the tools most likely to get people “blown up.”
First, let’s clarify what leveraged trading actually means. Simply put, it’s borrowing money from a broker or a platform to invest—using less of your own capital to control larger assets. For example, if you have 100,000 yuan and borrow 900,000 yuan, for a total investment of 1,000,000 yuan, that’s 10x leverage. It sounds like you’re using a s

Recently, there have been more and more market discussions about bear markets. I’d like to organize some core knowledge about bear markets, which may be helpful for friends who want to find opportunities during a bear market.
First, let’s clarify what a bear market really is. Simply put, when asset prices fall by more than 20% from their highs, it enters a bear market. This applies not only to stocks—bonds, real estate, and cryptocurrencies also fit this definition. A bear market is different from a short-term market correction. Corrections are usually pullbacks of 10–20%, while a bear market

Recently, I saw people discussing the KDJ indicator again, and I realized that many traders still only understand this tool on the surface. So I’ve compiled my practical experience from these years to hopefully help everyone.
Why is the KDJ indicator so popular? Put simply, it’s simple and practical. This indicator has three lines—K line (fast line), D line (slow line), and J line (sensitive line). By calculating the relationship between the highest price, the lowest price, and the closing price over a period of time, it helps you quickly judge whether the market is overbought or oversold. Man

Recently, people have been asking me whether the Japanese yen will continue to fall. To be honest, watching the USD/JPY fluctuate between 152 and 160 has been a bit frustrating. I recently analyzed the logic behind the yen's movement and found that the recent depreciation actually has deep structural reasons.
Let's start with the most straightforward data. Since entering 2026, the yen has not stopped its downward trend; the real effective exchange rate has even hit a 53-year low. This is not just a technical issue but reflects Japan's deep economic difficulties. The interest rate differential

Recently, many people have been asking how to buy gold in the most cost-effective way. Actually, there is no absolute answer; it entirely depends on your investment goals.
Let me start with the conclusion: if you just want to preserve value and hedge against inflation long-term, physical gold or gold savings accounts are fine. But if you want to profit from short-term trading, gold futures and contracts for difference (CFDs) are the right way.
Why are so many people paying attention to gold now? Honestly, geopolitical instability and ongoing inflation issues have everyone looking for safe-have

Recently, I’ve been looking at opportunities in oil stocks and noticed that many people are blindly chasing stocks that are already up. In reality, the logic for making real money is completely different.
Speaking of which, this year’s performance in oil prices has indeed been astonishing. Influenced by the situation in the Middle East, Brent crude oil once broke through the $100 mark. Although it has since pulled back to the high $90s, the increase since the start of the year is already more than 60%, setting record extremes in recent years. This kind of market naturally attracts investors’ i

Lately, I’ve been watching the U.S. dollar’s trend and found that many people still have a bit of confusion about their exchange-rate forecasts for 2026. In fact, this issue is much more complicated than it looks at first glance.
To start with the conclusion: over the next year, the U.S. dollar is more likely to trade in a high-range, choppy pattern and remain somewhat weak, rather than weakening sharply in one direction. But that doesn’t mean it will keep falling continuously. As long as global financial risks emerge or geopolitical conflicts arise, capital will still flow back into the U.S.

Recently, I looked back at the euro’s performance over the past 20 years and found that, in this period, it truly went through a great many ups and downs. From the 1.6038 peak in 2008, it slid all the way down to 1.034 in 2017, then to a 20-year low of 0.9536 in 2022. Along the way, the euro’s depreciation reflected the ups and downs of Europe’s economy.
The financial crisis in 2008 was a key turning point. The US subprime mortgage crisis put pressure on the global banking system, and European banks were no exception—credit tightening followed. Later, the European sovereign debt crisis erupted

Lately, I've been mixing in the investment circle, and I hear the term "cutting leeks" more and more frequently, especially when friends tease me a few times for losing money. To be honest, many people don't really understand what "cutting leeks" actually means, let alone how to avoid becoming that leek being cut.
The metaphor of leeks is actually quite vivid. Leeks grow quickly and have strong vitality; after being cut one batch, they can continue to grow again and again. In the investment market, this term is used to describe retail investors who keep losing money. They are like leeks—one wa

Remember the movie "Ready Player One"? The protagonist wears VR goggles, racing in the Oasis, earning treasures—looks super cool. But in reality, we've long been living in a simplified version of the metaverse, just no one calls it that.
Think about it, spending 60 yuan on LINE animated stickers, using a bear's head-shaking GIF to suppress elders in family groups—this is essentially no different from NFT players buying land in virtual worlds or trading digital art on OpenSea. The only difference is: you buy a "license to use the game company's server," while they buy a "digital asset that can

Recently, I've been observing the trends in the precious metals market and found palladium quite interesting. Many people may not have as deep an understanding of it as gold, but in fact, palladium's importance in industrial applications is not to be underestimated.
Speaking of palladium's uses, the main one is in the automotive sector, accounting for over 80%. It is a key material in catalytic converters, effectively reducing emissions from internal combustion engines, which is why demand for palladium has remained relatively stable in recent years. However, with the rising penetration of ele

Just now while watching the market, I remembered this question again. Many beginners actually don’t understand what the data on trading software really mean. Opening price, high, and low are easy to understand, but as soon as they see terms like "internal volume" and "external volume," they get confused, not to mention "internal vs. external volume ratio." Actually, once you understand these concepts, they can be quite helpful in judging short-term capital flow.
Let's start with the basics. Before a stock transaction, the seller will place a bid to raise the price, and the buyer will place an

People have been asking me lately: can you buy Japanese yen now? To be honest, it’s quite a timely question, because the yen’s trend really has entered an interesting turning point.
Over the past six months, I’ve been paying close attention to the yen’s performance. To be frank, it’s a bit painful. From the beginning of the year until now, USD/JPY has been bouncing around repeatedly between 152 and 160, and the yen’s real effective exchange rate has even hit a new low in nearly 53 years. The reasons behind it are actually quite complex, but they boil down to a few major structural issues.
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