The Tiingo Blog
Engineering notes, market data deep-dives, and product updates from the team.
Immortalizing Our History Through Blockchain
A note from Rishi: This piece first appeared in Chainlink Today, which has since shut down. I’m republishing it here because it covers what I still…
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24X National Exchange’s Overnight Trading Bid: Inside the SEC Exemption Request
A note from Rishi: We’ve been following the 24X comment file for some time now. While we now have overnight data via Blue Ocean, as a…
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Overnight Stock Data API: Real-Time 8pm-4am Prices from Blue Ocean ATS
Overnight trading has gone mainstream – and if you’ve gone looking for an overnight stock data API to actually see those prices, you’ve probably discovered the…
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Blue Ocean ATS Data on Tiingo: Real-Time Overnight Stock Prices, Now for Everyone
There is no official overnight U.S. equity data for individuals, until now. Tiingo brings Blue Ocean ATS overnight prices to everyone at cost, 9 dollars over…
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Navigating the Financial Hub: Your Ultimate Guide to Euronext Amsterdam in 2026
Table of Contents The Evolution of Euronext Amsterdam From Amsterdam Stock Exchange to Euronext Amsterdam Technological Advancements and Modernization Understanding Market Structure and Operations Trading Mechanisms…
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Navigating the Financial Powerhouse: Euronext Paris in 2026
Stock exchanges are the plumbing of public markets – the central venues where shares are bought, sold, and priced. The names everyone knows are the New…
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Yahoo Finance API: What It Is, How to Access It, and a Compliant Alternative
A note from Tiingo: We’re bringing our blog fully in-house. Every article is now written and fact-checked by the Tiingo team, and we’re republishing our existing…
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Luxembourg Stock Exchange: A Powerhouse of International Finance in 2026
Most exchanges are built around stocks. The Luxembourg Stock Exchange (LuxSE) is not – it is the world’s leading exchange for the listing of international debt…
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The London Stock Exchange: A Complete Guide for 2026
The London Stock Exchange is the UK’s primary stock market – home of the Main Market, AIM, and the companies inside the FTSE 100. It is…
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IEX Cloud Alternatives: Where to Go Now That It Has Shut Down
On May 31, 2024, IEX Group announced it was retiring IEX Cloud. Three months later, on August 31, 2024, the API shut down for good. If…
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Full China Stock Market Guide
TL;DR Mainland China has three stock exchanges, not two: Shanghai (SSE), Shenzhen (SZSE), and the Beijing Stock Exchange (BSE), which began trading in November 2021. Together…
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Navigating the Shenzhen Stock Exchange: A Comprehensive Guide for 2026
The Shenzhen Stock Exchange is China’s second-largest stock exchange by market capitalization, and it is the market most closely tied to the country’s innovative, high-growth companies.…
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Finding the Best Stock Price API: The Top Stock APIs in 2026
People email us all the time asking which is the best stock price API. It’s a fair question, and after running Tiingo since 2014, my answer…
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What is Maplebear Inc?
You are probably here because you were looking up the price of $CART and saw a company called “Maplebear Inc?” What does this mean? What is…
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How do Mutual Fund Splits work?
Mutual fund splits are real – they just don’t come up very often. They work almost exactly like stock splits: the share count changes, the price…
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Making Sense of Mutual Fund Prices for Investors
Mutual fund prices work differently from almost every other price in markets, and the difference trips up plenty of smart people. A stock’s price changes every…
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13 Essential Crypto Trading Strategies You Should Know
An Overview of the Cryptocurrency Market The crypto market never closes. There is no opening bell, no weekend, no holiday schedule – just a continuous stream…
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Investing in Volatility: How to Trade the VIX
The VIX might be the most quoted number in finance that you cannot actually buy. There is no share of it, no fund that simply holds…
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Programming for Finance: Your Questions Answered
Programming for finance is the craft of using code to answer market questions – pulling prices, testing ideas, building models, automating the boring parts. It’s also…
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What Is AI Stock Trading, and How Does It Work?
AI stock trading gets sold to you in two flavors. In one pitch, it’s a money machine: hand your portfolio to an algorithm and let the…
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Using Python for Finance: A Practical Guide
Ask anyone doing serious market work what language they use and you’ll almost always get the same answer. Python for finance became the default for good…
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How to Use a Forex API for Forex Trading
If you’ve ever copied exchange rates off a website into a spreadsheet, one cell at a time, you already know the problem. A forex API solves…
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Technical Analysis vs. Fundamental Analysis Explained
Technical Analysis vs. Fundamental Analysis: Two Different Questions Technical analysis vs fundamental analysis is one of the longest-running arguments in markets, and most articles about it…
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How Do Support and Resistance Indicators Work?
Support and resistance are price levels where a stock’s moves have repeatedly slowed or reversed in the past – support sits below the current price, where…
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Backtesting Stocks: How to Test a Strategy Before You Risk Money
Backtesting stocks means replaying your trading rules over historical data to see how they would have behaved. You take a strategy – “buy when this happens,…
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Chainlink Oracles: Bridging Blockchain and Real-World Data
In February 2021, we did something a little unusual for a market data company: we launched our own live Chainlink oracle node, publishing cryptographically signed end-of-day…
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Speed Is Everything: Algorithmic Trading Explained
If you’ve followed markets for any length of time, you’ve heard the term algorithmic trading. It tends to split a room. Critics argue it puts everyday…
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Confused About Finance AI? Get Your Questions Answered Here
Someone asks me a version of the same question almost every week: is finance AI real, or is it hype? My answer is yes. Both. Let…
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11 Popular Forex Indicators for Traders
Every forex chart is the same picture: price, wiggling. Forex indicators exist because that raw wiggle is hard to read at a glance, so traders transform…
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Technical Indicators: What They Are and How They Actually Work
Open any charting platform and you’ll see them stacked beneath the price: RSI, MACD, Bollinger Bands, half a dozen moving averages. Technical indicators are everywhere in…
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Need to Scale Your Investment Process? Use a Stock API
Almost every serious investment process starts in a spreadsheet. You download a CSV, paste in some closing prices, build a few formulas, and it works. That’s…
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What Is Chainlink? Your Questions Answered
In February 2021, Tiingo launched its own Chainlink node – publishing cryptographically signed end-of-day US equity prices directly on-chain. The reason we did it is a…
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Fundamental Analysis: A Valuable Tool for Savvy Investors
What Is Fundamental Analysis? Fundamental analysis measures a security’s intrinsic value using a mix of quantitative and qualitative assessments. Investors, day traders, and analysts all want…
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How to Calculate Volatility: A Practical Guide
Volatility gets talked about constantly and calculated rarely. Ask ten traders how volatile a stock is and you’ll get ten vibes (“it’s been wild lately”). Ask…
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The Kickoff
The Tiingo API Blog has formally kicked off. The goal of this blog is to not only highlight the features of the Tiingo API, but also…
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Tiingo Launches Live Chainlink Node to Provide Signed End-of-Day Equities Price Data On-Chain
We’re excited to announce that Tiingo has launched our own Chainlink node live on mainnet, bringing our financial market data directly to blockchain markets. Our initial…
Read moreTiingo Will Launch a Chainlink Oracle Node To Supply Blockchain Developers with Financial Data and Analytics
Tiingo is excited to announce that we will be bringing our premium API data to leading blockchain networks via the launch of our own official Chainlink…
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Announcing An Upgraded Tiingo.com
For the past seven months, we’ve been rebuilding Tiingo.com. As a result, we’ve upgraded Tiingo.com – including the entire front-end engine, as well as much of…
Read moreMaking the World’s Best Screener for Our Users Pt. 2
If you haven’t seen part one – read it here: Making the World’s Best Screener for Our Users As we’ve improved our screener- we also couldn’t stand…
Read moreMaking the World’s Best Screener for Our Users Pt. 1
It is over a year ago Tiingo launched it’s first screener. We were attempting to move forward the power of screeners, and we had a grandiose…
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Presenting the Tiingo API
It’s here, it’s finally here. The Official Tiingo API has launched after months and months of people requesting this, followed by months and months of dev…
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How to set up Hosted Web Apps with Windows Live Tiles
For those of you who have been keeping up with this blog, the Javascript container process is something I’ve been following closely for the past decade. Earlier…
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AWS vs Packet.net: Why We Left AWS & Benchmarking AWS’s Network, Disk, and CPU Performance
If this sounds like a glowing review of Packet.net – it is. I found myself re-reading this post over and over, trying to make it sound…
Read moreThe Protagonists Fixing the Problem that Apps Created (Part 2)
This is part 2 of the blog post: Apps Have Recreated the Problem the Web Was Trying to Fix In this post we’re going to discuss…
Read moreApps Have Recreated the Problem the Web Was Trying to Fix (Part 1)
It’s no question the word “App” has become ubiquitous and for good reason. For users it’s allowed us to install entire applications within a click. Just 10…
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Matisse and Memory – What Matisse Means for Traders
I was going through old E-mails when I came across a correspondence I wrote to some friends awhile ago. Those of you reading this may be…
Read moreLaunching the Tiingo Open Data Initiative
Since day one, Tiingo has been committed to providing you with top quality data that is more accurate than companies charging $30k+ a year. How in…
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Screening for Increasing Dividends
A user asked us if we could allow screening for increasing dividends; but, we figured we’d do one better. What if you could screen for the increases and decreases of any…
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Presenting Tiingo Comparatives: Changing the Way We Compare Companies
When you’re about to purchase a stock, you want to make sure you are getting the best deal you possibly can. Often we’ll compare a company…
Read moreWhy 13-F filings are Poor for Replicating Funds
I’ve seen hedge fund and trader replication ETFs and strategies for some time now and I realized a lot of them are based on 13-F filings.I…
Read moreBuilding the World’s Most Powerful Stock Screener
I know it’s a bold claim to declare this is the most powerful stock screener out there, so I promise to deliver a bold result. This has…
Read moreThat’s Enough Machine Learning – thanks!
Alright – so I’m going to hammer on one specific topic that’s been bothering me in the tech scene and that’s just machine learning being thrown…
Read morePodcast: Ep.8 Back, Back, Back it Up (Backtesting)
In this Podcast the following material will help you follow along: Here is a Google Spreadsheet of a backtest where we buy a stock after…
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Podcast: Ch.1 Sifting Through the Noise and Taking Action – A Chat with Garrett Baldwin
When I started out in finance, and even now, I get bogged down whenever I read certain financial news outlets. Even after years in the industry,…
Read morePodcast: Ep.7 Our First Hedge Fund Strategy
In this episode we cover not only what hedge funds are, but one of the most recently used hedge fund allocation strategies: risk parity. The…
Read morePodcast QA2: What is Shorting and How Do People Make Money When Stocks Fall?
Short-selling can allow somebody to make money when the price of a stock falls. I’ve been thinking for years on how to best explain this, because…
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Podcast: Ep.6 The Different Styles of Top Investors and Traders (Value, Growth, Discretionary, and Quantitative)
Many of us have heard of the big name investors and traders out there, but what makes them different? What styles do they use? How do…
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Podcast: Ep.5 I Need Stats, Stat! (Volatility and Statistics)
A new Podcast, Episode 5 was just released that breaks into what Volatility is. I was especially challenged by this topic because usually it is a…
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Podcast: QA.1 How I Hustled My Way onto Wall St: An Elaborate Tale of Overcoming Many Setbacks
How do you get a job on Wall Street? Let me share with you my story and lessons I’ve been asked by many students, and those…
Read morePodcast: Ep.4 Portfolio Diversification (Beta and Correlation)
This is the pilot episode of Tiingo Investing that explores what true portfolio diversification is, what metrics we can use to measure diversification, and how we…
Read morePodcast: Ep.3 One Portfolio and Broker Please!
Learn more than basic portfolio advice and take a much deeper dive. This episode explains how we can measure our portfolios (more than just returns), and…
Read morePodcast: Ep.2 The Amped Up Basics Pt. 2 (Mutual Funds, Index Funds, and ETFs)
This episode describes mutual funds, index funds, and ETFs. It then takes it further by describing the background behind each one and how to tell if…
Read morePodcast: Ep.1 The Amped Up Basics Pt. 1 (Stocks, Bonds, and Commodities)
This episode describes stocks, bonds, and commodities and then amps it up. It not only covers them, but also discusses stock indices, exchanges, how these assets…
Read moreAbout Tiingo
Tiingo is an award-winning financial analytics and data platform that powers thousands of asset managers, technology firms, and individuals across the globe. Unique in its position as both a consumer of its data and distributor, Tiingo is trusted by firms across the industry for its clean and unique datasets, which are engineered for the discovery of new alpha sources. With a mission deeply rooted in democratizing access to financial analytics and data, Tiingo is also a leader in financial education for future generations, having partnered with research departments at universities across the world to advocate for financial markets literacy.