Both sets got their own sold-basis index on Aug 24, 2026, at 100.00. By the Sep 21 mark Prismatic Evolutions sat at 98.04 (down 2.0%) and Ascended Heroes at 93.88 (down 6.1%). Prismatic Evolutions was the only one of the two to rise in the latest week (+1.3%); Ascended Heroes has fallen three weeks in a row. Ascended Heroes has the deeper chase list: its top three cards add up to $2,232.00 in sold comps against $1,788.53, though the single biggest card is still Prismatic's Umbreon ex SIR at $1,069.03 (median of 30 sales, Sep 10–27) against Pikachu ex SIR at $877.00 (30 sales, Sep 2–26). Sealed, Prismatic Evolutions is the cheaper Elite Trainer Box (lowest asks $134.99 vs $158.99 on Sep 27); the booster bundles ask the same $74.99.
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Every number here is one the site already publishes or can point at: two set indices, six sold comps, four sealed asks. The index rows decide the headline. The chase rows show where Ascended Heroes wins. The sealed rows are asks.
| Read Sep 27, 2026 | Prismatic EvolutionsSV8.5 · released Jan 17, 2025 | Ascended HeroesME2.5 · released Jan 30, 2026 |
|---|---|---|
| Set index levelre-marked Sep 21, 2026 · sold basis | 98.04Prismatic Evolutions Chase Index · 49 cards priced | 93.88Ascended Heroes Chase Index · 70 cards priced |
| Since launchboth indices opened at 100.00 on Aug 24, 2026 | −2.0%100.00 → 98.04 in five weekly marks | −6.1%100.00 → 93.88 in five weekly marks |
| Latest weekSep 14 → Sep 21 mark | +1.3%96.79 → 98.04 | −3.1%96.89 → 93.88 · third straight weekly fall |
| #1 chase cardsold comp, ungraded | Umbreon ex SIR #161/131$1,069.03median of 30 sales, Sep 10–27 · ungraded · PriceChartingShop on eBay → | Pikachu ex SIR #276/217$877.00median of 30 sales, Sep 2–26 · ungraded · PriceChartingShop on eBay → |
| #2 chase cardsold comp, ungraded | Sylveon ex SIR #156/131$445.00median of 30 sales, Sep 4–27 · ungraded · PriceChartingShop on eBay → | Mega Gengar ex SIR #284/217$855.00median of 30 sales, Sep 9–26 · ungraded · PriceChartingShop on eBay → |
| #3 chase cardsold comp, ungraded | Leafeon ex SIR #144/131$274.50median of 30 sales, Sep 1–25 · ungraded · PriceChartingShop on eBay → | Mega Dragonite ex SIR #290/217$500.00median of 30 sales, Sep 11–27 · ungraded · PriceChartingShop on eBay → |
| Top three, added upsum of the three medians above | $1,788.53sold comps, Sep 27 | $2,232.00sold comps, Sep 27 |
| Elite Trainer Boxlive eBay asks, sealed only · lower is the cheaper entry | $134.99lowest ask · 30 live · Sep 27, 2026 · an ask, not a saleShop ETBs on eBay → | $158.99lowest ask · 17 live · Sep 27, 2026 · an ask, not a saleShop ETBs on eBay → |
| Booster bundlelive eBay asks, sealed only · six packs · a tie on price | $74.99lowest ask · 27 live of 50 read (732 matched) · Sep 27, 2026 · an ask, not a saleShop bundles on eBay → | $74.99lowest ask · 35 live of 50 read (411 matched) · Sep 27, 2026 · an ask, not a saleShop bundles on eBay → |
Green edge marks the side the row favors; on the sealed rows that is the cheaper entry. Singles are sold comps: PriceCharting completed sales, the median of the 30 most recent, window shown per cell. Sealed figures are live eBay asks on Sep 27, 2026, read through our comps endpoint with bundles, lots, multi-box listings, single packs and Pokémon Center exclusives filtered out; an ask is what a seller wants, not what a box sold for. No factory 36-pack booster box listing came back for either set on Sep 27 (the closest were loose-pack lots), so the sealed rows are the Elite Trainer Box and the booster bundle. Index levels are sold-basis and re-marked weekly on Mondays. ShopCardHub participates in the eBay Partner Network.
The index gap is the case for Prismatic Evolutions. Same start date, same method, and one set has given back three times as much as the other in five weeks. Prismatic Evolutions is also twenty months old, so the market has had time to settle on what its cards are worth. Ascended Heroes is eight months old, still absorbing supply, and its index has fallen every week since Aug 31.
The case for Ascended Heroes is depth. Its top three chase cards add up to $2,232.00 against $1,788.53, and it has two cards above $850 where Prismatic Evolutions has one. If you are buying a single card rather than a set, Umbreon ex SIR is still the biggest sold comp on this page at $1,069.03, but the second and third rows both go to Ascended Heroes by a wide margin.
What the tape does not say. Five weekly marks is a short history, and neither index reaches back to the set's release; both begin Aug 24. The sealed figures are asks, not sales, so they tell you where sellers are, not where boxes clear. A 1.3% weekly rise can reverse next Monday; a three-week slide is harder to dismiss, but the next mark goes on the index pages whether it helps this verdict or not.
If the question is which set to hold as sealed product, the tape favors Prismatic Evolutions on price stability and the cheaper Elite Trainer Box. If the question is which set has more cards worth chasing, it is Ascended Heroes. Both index pages carry the full baskets: Prismatic Evolutions Chase Index (49 cards) and Ascended Heroes Chase Index (70 cards).