The KD indicator is a stochastic oscillator invented by George Lane in the 1950s, primarily reflecting the relative position of stock prices. Its calculation involves RSV, K value, and D value, and it is used to identify overbought and oversold conditions, golden crosses, and death crosses as trading signals. Although the KD indicator can provide risk alerts, it has drawbacks such as excessive noise, failure, and lag. Therefore, it should be used in conjunction with other technical indicators and fundamental analysis to improve trading success rates.

What is ROI? Why must investors understand it
Return on Investment (ROI) sounds complicated, but it's actually just one sentence: how much money you earn from your investment, expressed as a percentage.
Strictly speaking, ROI is a core financial metric that measures profitability. It's used not only by individual traders in stocks and cryptocurrencies but also by companies to evaluate project efficiency, and even by e-commerce practitioners to measure advertising effectiveness.
Why understand ROI? Because it allows you to quickly judge whether an investment is worth making.
ROI calculation formula: it's actually very simple
ROI = (Net Profit - Investment Cost) / Investment Cost × 100%
Or in other words: ROI = Net Profit / Total Investment × 100%
In plain terms: how much money you made ÷ how much you invested.
Here's a straightforward example:

The article discusses how the hawkish and dovish stances of central banks on monetary policy influence the foreign exchange market. Hawkish policies tend to raise interest rates to control inflation, usually leading to currency appreciation; while dovish policies focus on promoting economic growth and tend to lower interest rates, which may result in currency depreciation. Statements from central bank officials can trigger significant market reactions, so traders need to closely monitor policy changes to seize trading opportunities.

In the futures market, many novice investors feel confused about various aspects of trading operations. Terms like opening a position, closing a position, transferring a position, and open interest may seem complicated, but mastering them is crucial for successful trading. This article will approach from a practical perspective to help you understand these core concepts and learn how to make correct trading decisions under different market conditions.
When should you enter and exit the market? Practical trading timing
Before explaining each trading concept, first understand when to enter (open a position) and exit (close a position).
Three major criteria for timing entry
Grasping the rhythm of the overall market is fundamental. First, confirm whether the weighted index is operating above the moving average system (monthly, quarterly) or in an upward structure (lower lows and higher highs). When the Taiwan stock market is in a bullish trend, the probability of profit from individual stock positions is relatively higher; conversely, in a bearish market, you should try to control the size of new positions.
The fundamentals of individual stocks must be solid.

Bitcoin has created about 145,100 millionaires, dominating crypto wealth with a CAGR of 50% since 2010. While Ethereum shows strong growth, it can't match Bitcoin's potential. Historical trends indicate Bitcoin remains the premier choice for long-term wealth creation in crypto.

Understanding the Fund's Foundation
The State Street SPDR Portfolio S&P 500 High Dividend ETF (SPYD) represents a significant player in the passively managed fund space, having accumulated over $7.32 billion in assets since its inception on October 21, 2015. For investors seeking exposure to

Understanding Your Social Security Options
Millions of Americans face a bewildering array of choices when it comes to Social Security claiming decisions. The timing of when you start collecting benefits can dramatically reshape your lifetime income—sometimes by hundreds of thousands of dollars.

Portfolio optimization remains one of the most critical challenges facing modern investors. The efficient frontier concept provides a structured approach to address this challenge by identifying which portfolios deliver the highest expected returns relative to their risk profiles. This framework,

The global financial order is experiencing an unprecedented shift. What was once considered the unshakeable foundation of international trade — the US dollar's unwavering dominance — is now facing serious challenges from multiple directions. This phenomenon, known as de-dollarisation, represents a f

Achieving a seven-figure net worth might seem like a distant dream, but financial analysis reveals that individuals earning $60,000 annually can indeed become a millionaire—if they follow the right strategy. The U.S. mean wage stands at approximately $67,920 as of May 2024, placing a $60,000

The meteoric rise in electric vehicle production has fundamentally reshaped how the world views cobalt. Once primarily valued as a pigment in pottery and ceramics, this transition metal has become indispensable to the modern battery industry. Lithium-ion battery manufacturers now consume the lion's

Understanding Gold ETFs in Today's Market
In recent years, gold exchange-traded funds have become increasingly accessible for investors seeking direct exposure to precious metals. These investment vehicles operate similarly to mutual funds but with a critical advantage: they trade on exchanges

Microchip Technology has secured a major leadership move by appointing Victor Peng, the former President of Advanced Micro Devices, to strengthen its Board of Directors beginning February 10, 2024. The acquisition of Peng's semiconductor expertise represents a significant play in the competitive chi

Wednesday's commodity markets saw cotton prices decline, with front-month contracts retreating 11 points, while crude oil gained 37 cents per barrel. The US dollar weakened, impacting commodity valuations. Cotton futures exhibited widespread weakness, reflecting broader market pressures.

The essay explains how miners are rewarded in Bitcoin through the block reward system, comprising block subsidies (new cryptocurrency units) and transaction fees. It discusses the halving mechanism that reduces block subsidies every four years, and the unique coinbase transaction that generates new coins from nothing, incentivizing miners while regulating money creation.

Inflation is an economic phenomenon that everyone experiences on a daily basis. This prolonged increase in the cost of goods and services gradually reduces purchasing power. But did you know that this economic reality takes several distinct forms? Understanding the different

The essay explores the definition and importance of algorithms in computer science, their evaluation in terms of correctness and efficiency, and their essential role in complex systems like blockchain. Algorithms are key elements for solving problems and automating processes.

This essay explains the distinctions between mainnet and testnet in blockchain development. Mainnet is the live network for real transactions, while testnet is a testing environment for development. It also covers funding strategies like ICOs and the mainnet launch process, including token swaps.