Is there any resource containing the tick increment values of
NASDAQ/NYSE equities (
.05), or way to programmatically determine it (rule or formula) ?
The best way is to look at the API documentation for wherever you're getting your data from.
Typically, it'll be precise to the penny (
You could also look at the data itself - whatever you plan to use in an application where this matters - and see what the greatest degree of precision is that you can find. With relatively random stock data (and the low-order digits will be the most random), this doesn't require a lot of data to figure out.
The way I managed to solve this was by scrapping the broker website and compile a list containing
ASSETID of 6589 Equities from NASDAQ, NYSE and AMEX.
Here's a gist of the list: