Allegedly, he would buy stocks that were at least 20% below the 25-day moving average and then profit from the short-term growth of the stock. He then closed the trades during the same session, or held part of the position overnight.
During the market crash in 2008, while panic dominated the markets, Kotegawa remained calm — buying when others were selling. Those bold and calculated moves multiplied his fortune. 💼 Result: In less than 8 years, his portfolio exploded to over $153 million — all made by himself.
In the early days, Takashi would do what many stock traders did. He would use a scanner to look for the biggest movers on the day. But he often found that he was too late to the move, so instead, he created a list of 50 stocks that had good price movements in the past.
Takashi Kotegawa, also known as BNF, is a legendary Japanese day trader who famously turned an initial capital of around $13,600 into an astounding $153 million in approximately eight years.
In the high-stakes world of trading, few stories are as captivating as that of the Japanese day trader known by the pseudonym "CIS." In August 2015, amid global market turmoil, CIS claimed to have made a staggering $34 million in a single day.
I just crossed + $500,000 in profits after 1 year of full time day trading. In that time, I have had a maximum cumulative drawdown of only — $6,419 with an average drawdown of -$1,000. This article is my holistic approach to risk management that any trader can apply to their own strategies.
He seems to have shifted his focus on the slower real estate market (a rumor is due to spend more times with his wife and families).
Bedroom trader Takashi have invested his fortune that he made out of trading into real estates and long term investments and it's officially billionaire now.
The Heikin-Ashi technique is a Japanese candlestick-based technical trading tool that uses candlestick charts to represent and visualize market price data. It is used to identify market trend signals and forecast price movements. The Heikin-Ashi method uses average price data that helps to filter out market noise.
This attitude shaped his simple, disciplined lifestyle. Nicknamed the “bedroom trader,” he worked from a modest apartment with a few monitors and little distraction. He kept his meals light, often instant noodles, so he could stay focused during sessions.
The 3-5-7 rule in trading is a risk management guideline: risk no more than 3% of capital on one trade, keep total risk across all trades under 5%, and aim for winning trades to be at least 7% larger than losing trades (or a 7:1 ratio) to ensure profits outweigh losses and protect capital. It promotes discipline, reduces emotional trading, and balances potential high rewards with controlled risk, making it great for beginners.
A ¥400,000 monthly salary (around ¥4.8 million annually) is a decent, livable wage in Japan, especially for a single person in smaller cities, allowing for some savings; however, in expensive Tokyo, it's comfortable but requires careful budgeting, especially for families, as rent and living costs are higher. It's above the national average for younger workers and below the median in major cities, making it a solid foundation but not luxurious, with higher incomes needed for family comfort in expensive areas.
The Kotegawa Setup is a repeatable trade model: Identify a target stock with unusually high trading volume. Look for a sharp price drop of 5–10% in a short time. Determine whether news causes the decline or market overreaction.
Simons used mathematical models and historical data analysis to identify statistical edges, then executed those edges systematically across massive volume. their approach generated 39% annual returns after fees for over 30 years.
The most popular ones are:
In the early 2000s, Masayoshi Son experienced what most would consider career-ending. He lost $70 billion in a single market crash, the largest personal financial loss in history ..but two decades later, he now oversees a $200 billion empire through SoftBank.
Honma Munehisa is best known for the candlestick chart that he has created and which is used throughout the world even today, as well as Sakata's Five Methods which is an investment tool that he produced based on his candlestick charting.
Day trading can indeed be profitable, but it's exceptionally challenging—and most people who try it end up losing money. According to both academic and industry research, the success rate in day trading is quite low. Depending on the source, only around 3% to 20% of day traders make money.
Some observers have regarded Livermore as the greatest trader who ever lived, but others have regarded his legacy as a cautionary tale about the risks of leverage to seek large gains rather than a strategy focused on smaller yet more consistent returns.