The Better Letter

DECEMBER 15, 2022

This is the best thing I read this week (it combines magic, music, mystery, and math); this is the best thing I saw. Even better, I should have paid a bit more than $14 and bought zero-coupon UST STRIPs that would have paid par ($100) 30-years later in 2011. You may hit some paywalls below; most can be overcome here. The saddest.

Investments 79

Investments Investing Portfolio Numbers 79

Mr. Money Mustache

MAY 20, 2022

But in the Mustachian Era (the years since 2011 when I started writing this blog ), there has only been one: the 2020 Covid Crash which only lasted about a month. It’s fun math – a 20% drop in prices means you get 25% more shares for your dollar, and a 50% drop means twice as many , or 100% more shares per dollar invested.).

Marketing 53

Marketing Marketing Retirement Investing 53

The Big Picture

JANUARY 9, 2024

So like a component of it was like the standard derivatives math, right? And so like, you know, I got there and I learned derivatives math, right? It was derivatives math, it was like working with the traders on like risk management. Like, like the, you know, like the accounting standards.

Retail 130

Retail Banking Math Management 130

The Better Letter

DECEMBER 30, 2022

We had kept an old 2011 Honda for us to use when we’re east. We checked the maps, did the math, and determined that, if all went well, we could drive from BWI to San Diego in about 40 hours of driving time. More than that, however, we had purchased tickets for Disneyland for everyone for Wednesday. We wanted to go!

Planning 81

Planning Communication Investing Investments 81

The Big Picture

AUGUST 15, 2023

So I think that argument is very valid in those couple of years, 2009, 2010 probably, maybe 2011, which was a tough year for hedge funds. RITHOLTZ: So hold the duration risk aside with those two, but just for an investor in treasuries, I know you’ve done the math before. You still had 2012 to 2017 to finish the bet.

Management 130

Management Investing Investments Government 130

The Big Picture

JUNE 27, 2023

RITHOLTZ: Or the flash crash in 2010 and 2011. And so it’s one of these things that math works. Tell us about Math for America that seeks to improve math education in US public schools. BORISH: So Robinhood Foundation, Math for America, those are the two not-for-profit boards that I sit on. RITHOLTZ: Right.

Math 147

Math Risk Management Marketing Marketing 147

The Big Picture

JULY 19, 2022

Really, what I would think is getting to my natural home and that happened in 2011. ! So, you wrote the prior book a decade ago, 2011 the “Expected Returns.” And so, it’s very sort of, I don’t know, math oriented or algebra-oriented type of thing as opposed to great stories which drive most investment passions.

Investing 130

Investing Investments Valuation Portfolio 130

The Big Picture

MAY 16, 2023

If you were alive and writing checks in 2006 to 2011. LINDZON: Tries to meet Twitter’s quarter in 2011 comes home with like a 30 mil. So this is the math that I applied. So think about this, do the math. LINDZON: But that math, if you really put it in a calculator … RITHOLTZ: Becomes a problem. LINDZON: Correct.

Media 290

Media Investing Investments Valuation 290

The Big Picture

OCTOBER 3, 2023

You’re doing a lot of math in your head on the Fly. I’m doing, I’m doing an awful lot of math in my head on the fly. 01:41:47 [Speaker Changed] And, and, and you sort of said it, you know, in 2011, Watson won at Jeopardy. So IBM’s been involved in AI for 50 years. 2012 Watson beat Casper off at chess.

Taxes 280

Taxes Banking Clients Management 280

The Big Picture

NOVEMBER 12, 2024

Then of course the Fukushima did Fukushima disaster in Japan in 2011 and into 2012. I do the math. But the first supply chain disruption story I ever wrote was back in 1999 when there was an earthquake in Taiwan and we had shortages of chips and other electronics.

Manufacturing 261

Manufacturing Consulting Economics Engineering 261