Articles about investing practice
I started at 90% cash with ¥20M ($133K). Eight years on I'm at 15%. Why I stopped chasing a ratio and started defending a fixed amount instead.
Kioxia ran roughly 75x from IPO on the AI-memory boom. But that's a low-to-high figure. Why entry, exit and size decide your real return, not the headline.
My friend made $20K on Micron. Social feeds compare index funds to AI funds over four-week windows. Here's why I'm not changing anything.
A 46-year-old Tokyo salaryman walks through three stock sales from 2011 that turned into a $200K opportunity cost — and what finally fixed the pattern.
Why I hold unhedged USD funds from Japan: fees, DCA fit, what ¥159 USD/JPY does to a $260K portfolio, and why I won't stop buying if the yen rebounds.
With a 0.6% variable-rate mortgage in Japan, prepay or keep buying index funds? Eight years of real decisions, including a rejected mortgage insurance.
A Japanese index investor faces the Hormuz blockade, surging gas prices and a $4,700 loss. Why dollar-cost averaging held up and he changed nothing.
62% investment rate, a deliberate $1,400/month deficit. I sat down and actually worked out whether I qualify as 'NISA-binbo' — turns out I don't.
$670 into FANG+, $330 into NASDAQ 100, $1,330 into ACWI. Why these 3 funds, and why not S&P 500.
The Iran conflict wiped out S&P 500 year-to-date gains. An 8-year index investor explains why he's not changing a single setting.
Gold hit ¥30,000/g. My wife suggested buying it 8 years ago. I didn't. Here's why I still choose index funds over gold, even after comparing the data.
After 30 years near zero, Japan's rates are climbing. How a salaryman investor is handling the shift: mortgage, deposits, and what he left alone.
A personal filter for AI stock hype, from a guy who lost ¥2 million on individual picks
A Japanese index fund investor lost $50K in the 2025 tariff shock. Eight years of buy-and-hold experience explained why doing nothing was the right call.
Eight years of dollar-cost averaging into US index funds with zero sells. From $2K unrealized losses to $130K in gains — the full timeline.
The first 3 years of index fund investing felt like nothing happened. $1,000/month, barely any growth. Then compound interest kicked in at year 5.
Lost ¥2 million ($14K) on a single telecom stock. The panic, the shaking hands, and how that failure led me to index funds.
From panic-selling game stocks to ¥370,000/month in index fund autopilot. The best strategy I found? Stop thinking.