Proper Order Definition Backtests for Trading ETFs Based on Major Market Indexes The Security Trading Analytics blog includes a growing series of posts featuring the Proper Order Gain Lock-in (POGL) model. This model specifies buy and sell dates for a trading instrument, such as SPY, based on a proper order relationship between closing prices, selected EMA series, and daily price action. A major driver behind this expanding series is the model's repeated success across different contexts. For those looking to get up to speed, a couple of these historical posts are accompanied by audio deep dives to help you easily learn more about the mechanics. A Preliminary Analysis of EMA Lengths and Price Action in a Buy-Sell Model What are Single-Stock ETFs and Should I Invest in Them? A Model to Lock-in Gains When Trading Single-stock ETFs Should I Trade Single-Stock Leveraged ETFs? Posts On Single-Stock ETFs and Modeling Buy-Sell Decisions This analysis expands into uncharted territor...