A Byte of my 2.2-lb Brain

Just sharing stuff…

Building Financial Networks

I have been receiving requests to release the Python code I wrote to produce the financial network discussed in my previous post titled PSE Correlation-Based Network. Well, here it is! 🙂

August 24, 2016 · 1 Comment

PSE Correlation-Based Network

In this blog post, I explore the use of networks (minimum spanning trees), as presented by Bonanno et al. in 2003, to quantify relationships of assets listed in the Philippine Stock Exchange.

August 16, 2016 · 2 Comments

D&L Industries, Inc. (DNL)

DNL is one stock that has everyone asking if it has already bottomed out (short-term). Many like the stock as it really hadn’t disappointed investors (not until very recently anyway)—the … Continue reading

October 19, 2015 · Leave a comment

Tweeting PSE Traders

I generated a word cloud from the tweets generated by key traders (Philippine market) and finance people in the Philippines for the whole month of August. I have not done any other … Continue reading

September 1, 2015 · Leave a comment

Traders Tweeting: Time Series & Social Network

Hourly distribution of tweets from a sample of PSE traders across a week. Peaks are at the 10th hour of each day, of course 🙂 Below is a reply network of … Continue reading

November 2, 2014 · Leave a comment

Blue Chips or Basura

My friend and I had a chat earlier today. He was asking how one can earn in the PSE if the basuras are off-season? Adrenaline junkie! 😉 “What if we’re … Continue reading

November 1, 2014 · Leave a comment


In December 2013, the country’s first exchange-traded fund (ETF), the First Metro Philippine Equity ETF Inc (FMETF), debuted on the Philippine Stock Exchange (PSE). What is this? What does this … Continue reading

September 13, 2014 · 2 Comments

Gaining back the losses

It is worth noting that for every x(%) of your capital C lost, you need to gain y(%) of your new total equity value v, where y=[x/(1-x)], to gain back … Continue reading

January 5, 2014 · 1 Comment

Who’s Buying? Who’s Selling?

Current Watchlist: BLOOM (Bloomberry Resorts Corp), MWC (Manila Water Co Inc), COSCO (Cosco Capital Inc), LPZ (Lopez Holdings Corp) The dataset is only for the period 01-05 July 2013. This … Continue reading

July 6, 2013 · 8 Comments

Of bears, bulls, and brokers

It had been awhile since I made any transaction on my trading account; but last two trading days ago, I started buying again. I am not sure if that was … Continue reading

June 27, 2013 · Leave a comment