Matt's updated dynasty fantasy football rankings, risers and fallers for September 2025. His fantasy football dynasty trade value chart with buy/sell advice.

The NFL returned to action on September 4th, setting in motion all kinds of movement in the dynasty market as fantasy managers ingest all the information they collected from the first slate of games.

With the market in flux through the early portion of the season, it is key that fantasy managers have the proper information when deciding which players to trade for and which to consider trading to receive the best return on their investments. Which players are trending up, and who is seeing their fantasy values take a hit? It's time to separate fact from fiction in this month's Dynasty Market Report.

For a deeper dive into dynasty st

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