1. Check last date update on the post edit page
2. Check your price update option in module settings
3. Check option
Try to set as
Page viewand reload page. Do you see new prices? Maybe you have wrong configuration for cron. Try to set default WP cron if you enabled real cron.
4. Check your account on affiliate network, maybe you have some API limit. Try to search new products in post edit page for your module.