Sun & Moon - Forbidden Light Secret (FLI) carries a total slabbed market cap of $1.8M as of Nov 13, 2026. TCGBerg tracks a fair value for 71 card and grade combinations in the set. Greninja GX #133 · PSA 10 anchors the set at 18.5% of its total cap.
Historical context
Released in 2018 as a EN release.
Market overview
Cap is concentrated: the largest card-grade position is 18.5% and the top 5 make up 66.7% of set cap. The set's cap-weighted fair-value confidence is low (32/100). It has seen 42 graded sales over the trailing 30 days.
Frequently asked
How much is a complete Sun & Moon - Forbidden Light Secret set worth?
One Near Mint copy of each Sun & Moon - Forbidden Light Secret card costs about $734 (the cheapest printing of each, 15 of 15 cards priced as of Nov 13, 2026). The most valuable is Lucario GX #135 at $136.
What are the chase cards in Sun & Moon - Forbidden Light Secret?
Ranked by PSA 10 fair value, the most valuable Sun & Moon - Forbidden Light Secret cards on TCGBerg are Xerneas GX #139 ($1,093.84), Lucario GX #135 ($1,054.36), Dialga GX #138 ($1,044.17), Greninja GX #133 ($833.97) and Zygarde GX #136 ($758.34).Values are model estimates from recorded sales and change as the market moves; open a card for its sales evidence and graded values.
What is included in the Sun & Moon - Forbidden Light Secret card list?
This list covers 15 catalog printings. Editions and finishes can have separate entries for the same card number. Prices appear where valuation or sales evidence is available; an unpriced entry does not mean the card is worth zero.
How do I compare Sun & Moon - Forbidden Light Secret card prices?
Match the card number, printing and condition before comparing values. Use raw condition prices for ungraded copies, and the same grading company and grade for slabs. Open a card to check the available price history, recorded sales and sales evidence.