Professor's Letter #123 XY Price

Professor's Letter #123 price, trend & prediction

Professor's Letter #123 (Normal, Uncommon) from XY (2014) has a market price of $0.31 raw as of October 14, 2026, the TCGplayer market price for this exact printing. For context, the median XY card is $0.75; this one ranks #224 of 269 priced printings. Over the last 30 days the price has climbed (+14.8%), +3.3% in the last week, +3.3% over 90 days. Its 180-day range is $0.25 to $0.40.

Professor's Letter #123 price prediction: if recent momentum continues, the 30-day trend for this card is upward. Momentum is pointing up: the price is higher across the windows we track (+14.8% over 30 days, +3.3% over 7 days, +3.3% over 90 days). This is a read of past price moves, not a model forecast and not investment advice — see the forecast methodology and public accuracy scoreboard for how our ML outlooks are built and scored.