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More BS for "Butter in Bangladesh" Fans

If you Google the phrase "Butter in Bangladesh" you find pages of people talking about a gag paper from 1994, called "Stupid Data Miner Tricks: Overfitting the S&P 500". It grew up to be a chapter...

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The Mother of All Money Charts

Randall Munroe, the XKCD.com physicist cartoonist turned essayist & artist does some amazing work. His cartoons started out with stick figures telling science jokes, but now he works large -...

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So Much For Mining Twitter Sentiment For Picking Stocks

Mining Twitter for picking stocks has crashed and burned in London. DCM Capital started a "Twitter Fund" in July 2011 with respectable assets, reported up to 20M pounds. Derwins had a secret sauce to...

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Can Too Much Market Complexity Cost investors? Yeah.

Back in the good old days markets had a small number of easily identified moving parts. NYSE listed names traded almost entirely at the NYSE. Likewise for NASDAQ stocks. Now markets have many more...

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The HFT Empire Strikes Back! The Case That Ever Faster Markets are Good for...

The transformation of markets into ever higher speed networks with bleeding-edge HFT firms moving in microseconds on dozens of diverse market fragments (more or less, what we used to call "exchanges")...

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Mining Twitter Sentiment For Stocks Dies in London, OK at the SEC, Scary in...

Mining Twitter for picking stocks has crashed and burned in London, gotten the nod from the SEC, and caused yet another gut-wrenching lesson in the dangers of electronic markets. DCM Capital started a...

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Market Pictures PETA Doesn't Want You To See

The floor of the NYSE is pretty sparsely populated these days. This is true for all the floors of the remaining "traditional exchanges" - i.e .those where much of the trading was done by meat machines...

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Big Data Gets Bigger: Now Google Trends Can Predict The Market

Yesterday three economists, (Tobias Preis of Warwick Business School in the U.K., Helen Susannah Moat of University College London, and H. Eugene Stanley of Boston University) published an eye-opening...

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Google Trends Big Data For Predicting the Market: Deep Dive and Current...

Last Friday's post, "Big Data Gets Bigger: Now Google Trends Can Predict the Market", sleuthed out a likely reason why almost the same approach tried by the new paper's authors a few years back just...

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A Great First Week for the Google Trends Market Signal. Next Prediction Here!

Last week's post,Google Trends Deep Dive and Current Predictions, opened up the hood on the previous description of how a group of academics, looking at data that went up on to 2011, were able to make...

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Google Trends Stock Market Calls: Batting 1000, But It's Early In The Season

Last week's post reported on the correct "Dow Up" prediction from the Google Trends prediction. The method was described in the posts preceding that, the first describing the new "Big Data" flavor of...

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Google Trends Market Prediction On A Roll: Three For Three. What's The Call...

Last weel's post, "Google Trends Stock Market Calls: Batting 1000, But It's Still Early In the Season", closed with the latest prediction that the market, measured by the DJIA would be up again this...

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Google Trends Prediction Streak Ends At 3 Out Of 4 -- Calls Market Up For...

Last week, for the fourth week in a row, the Google Trends US Market Preditctor called for another up week on the DJIA. This was the same prediction we'd seen for the previous three weeks, correct in...

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One Half Second of HFT: Watch Big Data Dance

Up until the last few minutes of trading, it looked like the Google Trends indicator was back in the saddle, headed for a fourth correct call out of five, but the market gave up all of the Friday's...

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Google Trends Market Prediction: A Bad Week, But Still Trying

My old pal Bob was here last week to cheer on the NHL's San Jose Sharks in game 7 of their 3-3 tied series with the LA Kings. He's got season tickets, and more than one official Sharkie Jersey, But it...

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For The Eternal Optimist File: Trader Whose Twitter-Based Hedge Fund Failed...

In the past I've written about thesorry results from investment strategies driven by Twitter,such as the London based firm, Derwent CapitalManagement, that started with with 20 million pounds in 2011,...

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Google Trends Market Prediction: Right Again. Correct On 80% Of The Calls

This was another winning week for the Google Trends Market Predictor. I've been reporting these weekly calls before the open on Monday, however this week real life intervened, so it it coming out now,...

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Google Trends Market Prediction. Wrong Last Week, Batting 670. Still Says...

Last week, the Google Trends Market Prediction was looking like the Rookie of the Year. A little less so this week. The forecast was for the DJIA to be up last week. How did that work out? Not so well....

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Google Trends Stock Market Prediction Gets A Trip To The Shop, Calls A Down Week

Read 'em and weep, Financial Social Media Buffs. The Google Trends Market Predictor pointed up, the market tanked. The Predictor has been in happy land for 7 straight weeks. Mostly, so has the market....

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The Problem With The Google Trends Market Prediction Data

Greetings Social Media in Financial Prediction fans. The attentive reader will recall that last time we became suspicious about the data underlying the basic Google Trends Market Predictor, based on...

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Investing On The News: By The Time You Read It, It's Too Late

An old market maxim was "buy on the rumor, sell on the news". Like many old maxims, there turned out to be a lot of truth in this. Back in the good old days your broker Bernie would tell you this right...

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Making Money On The New News, Strictly Legally

The last post, Investing On The News: By The Time You Read It, It's Too Late , even though it attracted fewer views than a snake's ass in a drain pipe, passed on some pretty grim conventional academic...

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Investing On The News, Before It Happens - Legally

Recent posts have dealt with standard and improved ways of extracting investment signals from news. All well and good, but you can do much better if you can the the news before it happens. For some...

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Stupid Data Miner Tricks: Predicting The Market With Pro Golfers

As part of this blog's continuing coverage of wacky ways to predict the market, you've heard about the some remarkable but meaningless correlations that seem to predict the market, especially if you...

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Not A Stupid Data Miner: The Mystery Of Markets And Golf Updated

In the last post, Stupid Data Miner Tricks: Predicting The Market With Pro Golfers. I implicitly lumped the idea and its author, Kevin Armstrong, a distinguished investment pro, the former chairman of...

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Oops They Did It Again. Market Technology Bites Back At NASDAQ

If you owned most of the world's largest computers, what would you do with them? For market regulators, not much. The Flash Crash, and an ongoing series of mini-crashes, some upward, made many...

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Markets and Golf: It Works! But You Need A Bookie, Not A Broker

A prior post, "Not a Stupid Data Miner: The Mystery of Markets and Golf Updated",clarified Kevin Armstrong's latest prediction - that, against long odds of 11-4, the European women's team would defeat...

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Prediction Isn't Just About Stocks. Predictive Persuasion

Prediction isn't just for the stock market. Trading is just one of many ways to cash in on quantitative foresight. For mass marketing - and even presidential campaigns - it's another story. In those...

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Oracle Team USA Gets Big Data Wet

An interviewer asked Oracle CEO Larry Ellison if it was worth spending $100 million to win the America's Cup. Ellison answered that it was much better than spending $100 million to lose the America's...

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Big Wet Data On The Oracle Team USA Boat - More Details

The last post, Oracle Team USA Gets Big Data Wet, was a fanboy rave on the 34th America's Cup, which saw Oracle's rise from the (near) ashes of an 8-1 deficit to Team New Zealand, winning eight races...

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What JP Morgan's Whale Trade, Warren Buffett and Rube Goldberg Tell Us About...

How is it possible for JP Morgan (NYSE:JPM), the bank with the best reputation on the Street for having a handle on risk control, to still be guessing about how much damage was done by the...

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Stupid Data Miner Tricks: How Quants Fool Themselves And The Economic...

There sometimes seems to be no limit to how far people will go to make financial data scream. You can find strong statistics, and useless investment signals from butter production in Bangladesh, the US...

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Richer than all the Rich Lists Combined

This may look complicated, but it's a brick compared to FPML. I got an invitation to an upcoming event about the $650 Trillion swap market. That is not chump change. You could add up all the Richest...

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Another Tech Glitch Roils Markets -- How Simulation Could Help

It was a Maalox morning for traders Wednesday. Adequate testing could save us all a lot of stress. (Photo credit: Associated Press) Oops, we did it again. The Flash Crash was the poster child for bad...

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Does The Stock Market Need Real-Time Rehab?

Wednesday was not the best day for the U.S. stock market. It provided another example of why we might want to have centralized real-time monitoring of markets, like the FAA does with air traffic....

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HFT comes to dominate markets in five years, in living color

Five years of HFT, day by day. Source: Nanex Here's one of the best, most visually compelling and most informative of the many stories, including my own, about how the markets have changed becuase of...

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Stupid Data Miner Tricks Redux: How Quants Fool Themselves And The Truth...

So far these posts have been about: Electronic markets, and their ongoing pesky behavior. Why adding more computer nerds to federal market squad is a good idea (see above) Big Data - how AI click...

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Algos That Learn, And Show Off To Music

VideoAlgorithms aren't carved in stone. They can show remarkable learning behavior. We see this in subtle ways, in the way "Big Data" is used to refine the ads we see, and the way a site like Amazon...

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Big Data, Fast Markets

The race to the bottom in latency accelerates. The SEC is having a confab in DC, moved from Sept 14 to Oct 2 to talk tech. Bring your own lunch. During a recent book talk, I was interviewed about the...

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Your Own Big Data Lookin' at You

Some people aren't happy with the ever growing stream of big data available on the general population. Some of these people are pissed off, like the Electronic Frontier Foundation, started by Mitch...

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Getting Up Close with Big Data: Part One

The post on Big Data for web advertising as the "New Frontier" for methods used in quant trading and AI was one of the most read - though a distant second to the Stupid Data Miner Tricks: The Economic...

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What Do 'Honey Boo Boo' Fans Buy? Down and Dirty with Big Data, Part 2

My last post, "Getting Up Close With Big Data," featured some examples of what the wizards at Rocket Fuel know about people and their interests based on whether they search for information on contact...

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The Virgin Slut Algorithm: Wired Markets Get Even Weirder

I hear that blog posts with sexy titles get read more. I think it's true; my most popular one is "The Economic Indicator in Your Pants." The research continues here. A single "virgin slut" algorithm...

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Sandy inspires a good market decision

The NYSE, NASDAQ and the other US stock markets all made a wise decision to take rain days on Monday and Tuesday. Self Regulation at its best! At first, the word was that the electronic markets,...

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Nate Silver And The Power Of Small Data

It’s getting hard to find the word “data” without “big” slapped in front of it. I’ve written once or twice about big data myself on this very site. But enough is enough. Not all data is big. There is...

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Fast Times at the SEC

The big news this week at the SEC was the announced departure of chairperson Mary Shapiro, and turning the Mixmaster to succeed her up to "11" on the Spinal Tap scale. It took over a year to find a...

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Fast Trading South of the Border: Is Mexico Set For A New Market High?

The Mexican stock market is ripe for both asset appreciation and electronic trading. I spoke at an unusually well-run and meaty RiskMathics event on Algorithmic and High Frequency Trading recently in...

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The New Fish Eats the Old Fish: NYSE Floor Wake Photos

  If headlines still came in jumbo type, today's would be screaming about the 6 year-old ICE buying the 220 year-old NYSE. The NYSE floor is located diagonally across the street from the Museum of...

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Vintage Predictions from the Vault - That Came True!

In the course of some year-end office tidying, I found a book from 1981, America What Went Wrong, by Donald Bartlett and James B. Steele. They're Pulitzer Prize winning reporters for the Philadelphia...

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More Stock Exchange Wake Photos - UK Edition

A few readers wrote in to say how much they enjoyed the Wake Photos for the NYSE Floor. It's a long holiday, so here are a pair of classic before-and-after photos of the London Stock Exchange floor,...

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