
Tutorials
Welcome to Market Data's Quickstart Tutorials! Here, you'll find comprehensive guides and tutorials to help you get started with our two powerful products: the Market Data API and the Google Sheets Add-On. Whether you're a developer looking to integrate real-time and historical market data into your applications using our API or a trader who prefers the simplicity and flexibility of Google Sheets, we have the resources you need.

Stock Market Data Licensing: How To Display Stock Prices Legally
Learn how developers can legally display stock prices without paying thousands in fees. Guide to stock market data licensing and real-time alternatives.

Option Tick Sizes Explained: Why Your Order Doesn’t Show Up in the NBBO (and How to Fix It)
Learn how option tick sizes affect your order's visibility in the NBBO. Understand penny pilot vs. non-penny classes and what to do when your limit order seems

Building an Options App? OPRA Fees & Licensing Explained
Wondering how OPRA fees impact your options trading app? This guide breaks down what developers need to know.

Professional Status Explained: What Every User Needs to Know
Learn how stock and options exchanges define professional status, why it matters for compliance and fees, and how to determine your correct classification befor

Smart Mid: A Better Real-Time Market Price
Our proprietary model to estimate a fair real-time value for any stock, built on top of IEX market data.

Missing Options Contracts — Why You Can’t Find Them
Understanding the common reasons traders can't find certain missing options contracts. The importance of knowing how options contracts are created and traded.

Complete List of Index Option Tickers
Get the full list of index option tickers traded on U.S. exchanges, including SPX, VIX, RUT, and more. Learn how to identify root symbols and query complete opt

How To Use The Mutual Fund API
Learn by example and get started with the mutual fund api. Get candlestick and pricing data going back decades.

Understanding Differences in Implied Volatility and Greeks Between Broker Platforms
Why do implied volatility and Greeks differ across trading platforms? Explore how varying models, inputs, and calculation methods lead to discrepancies in IV an

SPX vs SPXW Options — What’s The Difference?
Learn about the all differences in SPX vs SPXW options contracts and determine which contracts are best for you.

RUT vs RUTW Options — What’s The Difference?
Learn about the all differences in RUT vs RUTW options contracts and determine which options are best for your trading strategy.

NDX vs NDXP Options — What’s The Difference?
Learn all about the differences in NDX vs NDXP options contracts and determine which contracts are best for you.