<prompt> Human: Im under the impression that your reward dollars are calculated once per month when your statement is generated based on the balance you have? My fear is that if you charge an item for say 100, and I pay the 100 off immediately that Im not eligible for the reward points that I would have received if I let the charge stay on the card until the statement balance was created. I pay my statement balances in full every month and dont have a problem waiting for the rewards to calculate, but Im just interested to know if this is how it truly works, or if Im okay to pay off what I owe sooner and still collect the rewards? Or are rewards calculated differently for each card? I have a Chase Freedom and Amex Blue Cash card for reference.  <response>: My fear is that if you charge an item for say 100, and I pay the 100 off immediately that Im not eligible for the reward points that I would have received if I let the charge stay on the card until the statement balance was created.Most, if not all, issuers calculate rewards based on your purchases, not your statement balance. 