Professor's Letter #123 XY Reverse Holofoil Price

Professor's Letter #123 price, trend & prediction

Professor's Letter #123 (Reverse Holofoil, Uncommon) from XY (2014) has a market price of $1.85 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 #59 of 269 priced printings. Over the last 30 days the price has held steady (+0.0%), −1.6% over 90 days. Its 180-day range is $1.85 to $2.00 — it is trading near the bottom of that range.

Professor's Letter #123 price prediction: if recent momentum continues, the 30-day trend for this card is sideways. Momentum is flat: the price has barely moved across the windows we track (+0.0% over 30 days, +0.0% over 7 days, −1.6% 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.