A player can look affordable one evening and cost far more the next morning. The reverse is just as common: a card bought during a burst of excitement may lose value once more copies reach the Transfer Market. Those swings can feel random, but most have an identifiable cause. Pack supply, Squad Building Challenge demand, […] Post Why FC 27 Player Prices Change So Fast: A Practical Guide to Transfer Market Timing and Squad Upgrades at Root-Nation.com.