LuldCalc
Limit Up Limit Down Calculator
Archived App (Last seen on 29 Apr 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
This app helps traders and stock exchange operators quickly identify price bands for stocks. It calculates double-wide bands for market open and close, and also functions as a basic calculator.
What's New in LuldCalc
1.2
December 9, 2022
This update improves readability and contrast. LuldCalc has also been rebuilt to meet iOS 15 standards.
Developer apps
FAQ
What is LuldCalc used for?
LuldCalc is used to calculate Limit Up Limit Down (LULD) price bands for stocks, which are implemented to stabilize volatile markets. It assists traders and stock exchange operators in identifying these price boundaries.
Does LuldCalc support different stock tiers?
Yes, LuldCalc has dedicated buttons for calculating price bands for both Tier 1 and Tier 2 stocks.
Can LuldCalc calculate bands for market open and close?
Yes, LuldCalc can calculate double-wide bands specifically for market open and market close times.
Is LuldCalc only a specialized calculator?
No, in addition to its specialized stock market functions, LuldCalc also includes basic calculator functionality.
What devices is LuldCalc available on?
LuldCalc is available on iPhone and iPod devices.
How often is LuldCalc updated?
The latest version of LuldCalc is 1.2, and it was last updated on December 9, 2022.
What is the age rating for LuldCalc?
LuldCalc has an age rating of 4+, making it suitable for a wide range of users.
Does LuldCalc have ads?
No, LuldCalc does not contain advertisements.
