Compare pressure scores between files one at a time. The files should represent the same data at different time intervals (e.g., 2 PM and 3 PM) for instruments like SPY with the same expiration. Using this non-member tool, you will need to perform the calculations manually. You can compare ETFs or stocks such as SPY, QQQ, and IWM. There is no maximum number of uploads allowed, but data size limits may apply. A video tutorial is coming soon!