![Gengar [Master Ball] #94 Pokémon card](https://storage.googleapis.com/images.pricecharting.com/84574c8f42f3a134a77b200de0d1a39230fd42bc92799ca97a48739a63c74fc3/1600.jpg)
![Pikachu [Master Ball] #25 Pokémon card](https://storage.googleapis.com/images.pricecharting.com/91dea5e9f7673507d2297eb9388235fb10562efcea66aeb083a65cbd16756607/1600.jpg)
Japanese Scarlet & Violet 151: 301% ROI on the Right Spec
Mew EX #208 hits 301% ROI—that's the single hardest-hitting card in the Japanese Scarlet & Violet 151 set when you factor in gem rate, PSA 10 comps, and raw entry cost. If you've been sitting on loose copies of this set, the data says there's still serious money on the table.
Japanese Scarlet & Violet 151 arrived in September 2023, nearly three years ago now. It's no longer the hot new release—but legacy modern sets with established populations and proven demand are exactly where flippers find consistent ROI. The set's chase cards (Mew EX, Charizard EX, Pikachu Master Ball, Gengar Master Ball) have aged into stable ecosystems with deep grade distributions and healthy resale velocities.
The grading pipeline remains strong too. Mew EX #205 has moved 642 units per year at PSA 10, and Charizard EX #201 tops 1,086 annual sales. That liquidity matters for exit strategy—you're not speculating on hype; you're flipping into a proven market.
The Data Table: 8 Best Specs by Net Profit
| Card | Raw | PSA 10 | Gem Rate | Net Profit | ROI |
|---|---|---|---|---|---|
| Gengar [Master Ball] #94 | $609.50 | $1,038.25 | 83.9% | $403.75 | 63.6% |
| Mew EX #205 | $199.95 | $562.50 | 83.0% | $337.55 | 150.1% |
| Charizard EX #201 | $380.00 | $707.50 | 85.0% | $302.50 | 74.7% |
| Pikachu [Master Ball] #25 | $340.00 | $727.71 | 83.2% | $362.71 | 99.4% |
| Mew EX #208 | $38.03 | $252.50 | 85.0% | $189.47 | 300.6% |
| Mewtwo [Master Ball] #150 | $95.00 | $325.01 | 85.8% | $205.01 | 170.8% |
| Charmeleon #169 | $19.99 | $117.99 | 79.0% | $73.00 | 162.3% |
| Pikachu #173 | $32.00 | $151.00 | 84.0% | $94.00 | 164.9% |
Numbers assume PSA Value Bulk tier at $25 per card.
What Makes This Set Interesting Right Now
Three factors are converging to make Japanese SV 151 specs viable in July 2026:
1. Stable gem rates across the board. You're seeing 79–86% PSA 10 rates on most cards. That's predictable. When you're paying $25 to grade, an 84% gem rate means you're banking on hitting the 10 roughly 4 out of 5 times. Gengar hits 83.9%, Mew EX #205 hits 83%, Pikachu Master Ball 83.2%. Those odds are real.
2. High-grade comps are locked in. PSA 10 Mew EX #208 sits at $252.50. That's a 6.6x jump from raw. Charizard EX #201 moves from $380 raw to $707.50 graded. These aren't speculative; they're graded, sold, and documented. The liquidity at tier is proven—1,000+ units move annually on the biggest chase cards.
3. Upcoming set noise won't crater this. Pitch Black launches July 17 with Mega Darkrai ex. Mega Rayquaza ex follows July 31 in Japan. The 30th Celebration set goes worldwide September 18. Yes, new shiny things pull some gravity. But SV 151 is nearly three years old—it's a reference set now, not a rotation risk. Collectors and graders see it as heritage modern.
The Math: How We Calculate This
Expected Value (EV) is the sum across all PSA grades of (probability of achieving that grade) × (PSA 10 price in that grade) × (1 − Cardmarket/TCGPlayer sell fee) minus raw cost and grading fee.
For Mew EX #208: $38.03 raw + $25 grading = $63.03 cost. The 85% gem rate and $252.50 PSA 10 comp yield $189.47 net profit and 300.6% ROI. The lower raw entry point turbocharges percentage returns, even if absolute dollars lag the big-ticket cards like Gengar.
For a deeper look at how we model this—including sell-fee assumptions, the grade distribution math, and live population data—check out our methodology here.
What's the Play?
If you're holding loose Japanese SV 151 copies, the data is clear: the high-gem-rate, high-comp cards are still worth submitting. Mew EX #205, Charizard EX #201, and Pikachu Master Ball are the volume leaders; if you need to move units fast, those are your exits.
But don't sleep on the sleepers. Mew EX #208 has a lower raw cost and a 301% ROI. Charmeleon and Pikachu (non-Master Ball versions) are hitting 160%+ ROI with 1,700+ annual sales each. Those aren't the headline cards, but they move volume and hit profit targets.
One caveat: this set is aging. It's not dead—the gem rates and comps prove that—but it's also not generating hype cycles like Prismatic Evolutions or the upcoming 30th Celebration set. If you're speculating on future appreciation, you're betting on nostalgia momentum and card scarcity, not set velocity. If you're flipping current inventory into a known market, the numbers work.
Next Steps
You can spot-check raw prices and PSA 10 comps for free on the Should You Grade tool. But if you want to rank all 123 Japanese SV 151 cards by ROI, net profit, and gem rate—or screen across 14,000+ modern cards to find the next spec—you'll want Pro. The ranked EV and profit screens update weekly, so you're never chasing stale data.