Kirubakaran Rajendran Profile picture
Mar 29, 2020 9 tweets 3 min read Read on X
History repeats! Here’s how some cities ‘flattened the curve-controlled the spread’ during the 1918 flu pandemic. #SpanishFlu
Philadelphia detected its first case of a deadly, fast-spreading strain of influenza on September 17, 1918.
Yet 10 days later—despite the prospect of an epidemic at its doorstep—the city hosted a parade that 200,000 people attended, that spread the virus like wildfire.
Cities that reacted earlier vs Cities reacted late ImageImage
The 1918 flu, also known as the Spanish Flu, lasted until 1920 and is considered the deadliest pandemic in modern history. That’s two long years, considering lower population rate back then, not sure how long this #COVID going to take to get controlled.
Cities under lockdown for more weeks controlled the virus whereas cities that lifted the ban early faced another wave of new cases being reported. ImageImage
Shortly after health measures were put in place in Philadelphia, a case popped up in St. Louis. Two days later, the city shut down most public gatherings and quarantined victims in their homes. The cases slowed. By the end of the pandemic,100 million people were dead worldwide.
It is found that death rates were around 50 percent lower in cities that implemented preventative measures early on, versus those that did so late or not at all. The most effective efforts had simultaneously closed schools, churches, and theaters, and banned public gatherings.
Cities which lifted restrictions on public gatherings less than two months after the outbreak began, a rash of new cases soon followed. But cities that kept interventions in place, none experienced a second wave of high death rates.
Over all it took almost 24 weeks to slow down the virus spread. Here’s the complete article nationalgeographic.com/history/2020/0…

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More from @kirubaakaran

Sep 15
Every time Bitcoin corrected, I claimed the bubble had burst. Every single time, it proved me wrong. Then one day I stepped back from price charts and decided to actually learn everything about crypto trading. This thread will help you take your first trade in Crypto. Image
Just like everyone, I had my doubts.
"At least stocks have underlying businesses. What does crypto have? Blockchain?"
I was too naive to understand blockchain. The entire crypto ecosystem relies on it.
Let me explain it in simple terms that finally made sense to me. Image
Imagine a shared notebook that anyone can see and write in, but once something is written, nobody can erase or change it. All your friends keep identical copies - if one person tries to cheat and change a page, everyone notices and rejects it. Image
Read 31 tweets
Jul 4
What if I told you that Jane Street made ₹36,500 crores from Indian markets in just 2 years, and ₹4,800 crores of that was allegedly through market manipulation? They turned India's stock market into their personal ATM using a strategy so clever. Here's the complete details 🧵
Who is Jane Street?

Founded in 2000, USA
2,600+ employees globally
High-frequency trading wizards
Operates through 4 entities in India (2 foreign, 2 domestic)

They're not investors. They're traders using algorithms that execute faster than you can blink. Image
First, the mind-blowing numbers:

Total profit in 2 years: ₹36,502 crores
Profit from options: ₹43,289 crores
LOSS from stocks/futures: ₹7,496 crores

Wait, they LOST money in stocks? This wasn't incompetence. It was genius-level manipulation.
Read 20 tweets
Jul 2
Rise of Ai could destroy lot of careers in next 5 years, biggest impact will be for Investment Advisors & Research Analyst. I just used @zerodhaonline MCP + Claude AI to analyse my portfolio and suggest what needs to be done. I was amazed by its output. Here's how you can do it Image
First you need to Download and install Node.js from nodejs.org and install Claude Desktop application.
Go to Claude Settings
Click on Developer 
Click Edit Config and add the below config , save and restart Claude Desktop
{
"mcpServers": {
"kite": {
"command": "npx",
"args": ["mcp-remote", "mcp.kite.trade/sse"]
}
}
}Image
First you need to autheticate with your Zerodha credentials. Once done, you can give necessary prompts to analyze your portoflio. Image
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Read 8 tweets
May 30
Solo traveled to Vietnam with zero plans, chose just one city — Da Nang — and it turned out to be the most peaceful, soulful vacation I’ve ever had. Vietnam is vast, but you don’t need to race across the country, if you are on time constraint, then opt for Da Nang. Here's why🧵 Image
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While everyone rushes to Hanoi or Ho Chi Minh, Da Nang offers something different - a laid-back vibe where luxury costs less than domestic Indian destinations. You get to see Pristine beaches and beautiful hill station, which is just an hour drive. Image

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Checked into Outpost hostel initially. Totally dead. Bad vibe. Within hours, I moved to another near by hostel Rom Casa — vibrant, buzzing, full of travelers from around the world. Best decision. When you are traveling, don't fall for sunk cost fallacy.
Read 15 tweets
Apr 2
Just got back from a 1-week holiday in Singapore and It’s not just about Universal Studios. Clean roads, disciplined people, top-class public transport, and yes – it’s the most expensive country in Asia. If you're planning Singapore soon – this thread is for you 🧵 Image
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Initially, we were looking at Kashmir for the family vacation. But with school holidays, flight tickets from Chennai shot up to ₹1.5 lakhs.
With Google Flights, looked for cheapest destinations.
Surprisingly found direct round trip flight to Singapore for just ₹40K for 3 people!Image
If you ever book through Indigo, try their WhatsApp booking instead of the app — got better pricing that way. Image
Read 25 tweets
Dec 31, 2024
Everyone do SIP for their future, be it for their own retirement or Daughter's education or Son's marriage. What would you do if your SIP corpus goes down 50% due to market crash when you need money? How can one handle the risk involved in SIP? Here's the ideal solution 🧵
When it comes to SIP everyone knows that if you invest X amount every month, you are going to get 10X after n number of years. Everyone talks about returns but hardly anyone talks about the risk involved. Let's see how markets behaved historically.
Sensex moved from 100 to 80000 in 44 years. Most SIP investors just focus on the destination not the journey, during this 44 years, Sensex has witnessed multiple instances where it has seen more than 50% corrections. Image
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Read 13 tweets

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