Card research · Updated May 26, 2026 · Rank #15538
Revavroom (Cosmos Holo) #121 Holofoil Value & PSA ROI
Revavroom - 121 (Cosmos Holo) #121 · Holofoil is the exact Holofoil variant from SV: Scarlet & Violet Promo Cards. Track raw value, verified PSA 6/7/8/9/10 prices when available, recent sales, grading ROI, and market trends for this specific printing. This is mostly a PSA 10 upside idea, so it deserves extra patience and selectivity. Use this page to decide whether this exact Pokémon card variant is worth researching as a raw-to-PSA grading opportunity before you spend money.
Quick answer: is Revavroom - 121 (Cosmos Holo) #121 · Holofoil worth grading?
This is mostly a PSA 10 upside idea, so it deserves extra patience and selectivity.
This is a higher-risk idea. It can still be interesting, but it depends much more on buying the right copy and hitting a strong grade.
Simple rating: Watch / Verify First. No graded floor yet · PSA 9 ROI -100% · PSA 10 ROI -100%
Variant-specific answer: this page is only for the exact Holofoil variant. Do not apply these PSA ROI numbers to another foil type, deck exclusive, promo stamp, language, or unspecified listing unless the set, card number, rarity, image, and marketplace product all match.
Best next move: compare a few Near Mint listings, look for clean centering and surfaces, and only consider buying if the exact printing matches this page and the price is close to the buy zone.
Entity and variant context
For Google, AI Overviews, and collector searches, the entity on this page is Revavroom - 121 (Cosmos Holo) #121 · Holofoil, not just the base Pokémon name. The exact card number is 121, the set is SV: Scarlet & Violet Promo Cards, the rarity field is Promo, and the page is scoped to the exact Holofoil variant.
Data sources and update status
Last updated: May 26, 2026. Raw value source: TCGplayer-style raw market/product data. Graded value source: PriceCharting-style PSA 6/7/8/9/10 value references when the exact variant match passes confidence checks. Method: PokémonInvestor compares raw price, a single-card PSA grading cost model, PSA grade outcomes, sales/liquidity signals, and exact-printing risk.
Search-intent match: this page is built for collectors searching card value, Pokémon card price guide data, PSA 10 value, cards worth grading, and raw-to-PSA ROI for this exact card variant.
Speculative
Think of this section as the quick investor read on Revavroom - 121 (Cosmos Holo) from SV: Scarlet & Violet Promo Cards. It compares the raw card price ($0.41), the estimated cost after buying and grading ($35.39), and the graded outcomes so you can decide whether the card deserves more research. The safer setups are usually the ones where the grade floor is No graded floor yet and the card can be bought near or below $0.41.
Compare the exact card title, printing, and photos before relying on the numbers.
Interactive grade curve
★ PSA fees are implied in decisions, not plotted as their own bar.
ROI by grade
Buy / research this exact variant
Start with the exact TCGplayer product page for Revavroom - 121 (Cosmos Holo) #121 · Holofoil, then verify seller photos, condition, shipping, and that the listing matches the exact Holofoil variant before buying.
Buy this card on TCGplayerValidate values onsite
Use the raw, PSA 8, PSA 9, PSA 10, sales volume, confidence, and buy-zone data on this page first. Open PriceCharting as a secondary source when you want to audit the original grade grid/history page.
View onsite market snapshotEmail watch alert
Want alerts when this card drops near the buy zone or jumps in the rankings? Leave an email and we’ll send card-watch updates there.
Onsite market history snapshot
This page keeps the core value history on PokémonInvestor when the exact variant match is verified. If the price-guide match points to a different printing, graded values are hidden instead of mixing raw and PSA data from different cards.
eBay production API is verified locally. The next build step is to store eBay Browse/Finding comp snapshots per card and render them here, instead of relying on users to click out to eBay searches.
Raw vs graded value snapshot
The chart below is designed for sharing and quick decisions: it shows the raw market price plus PSA 6, PSA 7, PSA 8, PSA 9, and PSA 10 values for this specific card. Use it to see how low the grade can land before the setup starts losing money.
The investment angle
Revavroom - 121 (Cosmos Holo) from SV: Scarlet & Violet Promo Cards is being compared as the Holofoil printing. The current raw market reference is $0.41. If you submit it to PSA, use the service selector above to model the fee because collectors may choose bulk, value, or rush/regular service.
That all-in number includes the raw card plus a single-card PSA submission estimate of $34.98 ($24.99 grading fee plus $9.99 shipping/return allowance). It does not assume a big bulk order, because a single-card estimate is easier for most collectors to understand.
At today’s snapshot, the model shows PSA 8 around $0.00 (-100% vs all-in), PSA 9 around $0.00 (-100% vs all-in), and PSA 10 around $0.00 (-100% vs all-in). The best setups are the ones where PSA 9 still looks reasonable and PSA 10 becomes the upside, not the only way to win.
Release date and era context
Release date: Revavroom - 121 (Cosmos Holo) belongs to SV: Scarlet & Violet Promo Cards, which TCGCSV lists as released on Mar 31, 2023. Era filter: Modern Era (2011–Present).
Printing and condition: what to check
When card investors talk about the printing, they mean the exact version of the card: regular holo, reverse holo, cosmos holo, promo, stamped promo, deck exclusive, language, or event release. Two cards can have the same Pokémon and card number but very different prices if the printing is different.
Condition is the other half of the decision. A Near Mint listing is not automatically a PSA 10 candidate. Before buying a grading candidate, look closely for centering, clean corners, sharp edges, surface scratches, print lines, dents, whitening, and holo wear.
- Market confidence: review carefully
- Why it matters: Compare the exact card title, printing, and photos before relying on the numbers.
- Buying rule: pay attention to the exact printing first, then only chase copies that look clean enough to grade well.
Market reality check
We use marketplace activity as a reality check, not just headline price guides. Before acting on any card, compare recent sold comps, active listings, seller photos, and the exact printing so the numbers match the card in front of you.
Use the onsite values first. When eBay API comp snapshots are stored for this card, this section should show recent comparable listings directly on PokémonInvestor so readers do not have to leave the decision page to understand market reality.
How to turn this research into a buying decision
Start with the buy zone, then open current listings and compare photos. The best candidates are clean copies priced near the model, not random Near Mint cards with weak photos. If the card is above the buy zone or the photos show whitening, scratches, dents, bad centering, or print lines, the expected return can disappear quickly.
Explore related opportunities
Compare this card with more SV: Scarlet & Violet Promo Cards opportunities and other Holofoil cards. Internal cross-links help collectors move from one card idea to the next instead of judging a single card in isolation.
People also ask about Revavroom - 121 (Cosmos Holo) #121 · Holofoil
Is Revavroom - 121 (Cosmos Holo) from SV: Scarlet & Violet Promo Cards a good Pokémon card investment right now?
It is worth researching when you can find the Holofoil version near $0.41 and the copy looks clean enough to grade. The current snapshot puts the single-card all-in estimate near $35.39, with PSA 9 around $0.00 (-100%) and PSA 10 around $0.00 (-100%).
What price would make Revavroom - 121 (Cosmos Holo) more attractive?
The buy-zone estimate on this page is $0.41. Paying below that area gives you more room for grading fees, shipping, and imperfect outcomes; paying far above it means you need a stronger grade or a stronger future market.
Which exact Revavroom - 121 (Cosmos Holo) version should I compare before buying?
This page is for the Holofoil printing from SV: Scarlet & Violet Promo Cards, card number 121, rarity Promo. Check that the listing photos, title, and product page match this exact version before using the ROI numbers.
What grade does Revavroom - 121 (Cosmos Holo) need to make sense?
The page uses No graded floor yet as the plain-English grade floor. In practice, that means the idea looks best when PSA 9 is acceptable and PSA 10 is upside, rather than needing a perfect gem grade to avoid disappointment.
How liquid is Revavroom - 121 (Cosmos Holo) from SV: Scarlet & Violet Promo Cards?
The data snapshot shows about 0 observed market/sales-volume signals. Treat that as a liquidity clue, then confirm recent TCGplayer listings and eBay sold comps because prices and supply can change quickly.
How confident is the data match for Revavroom - 121 (Cosmos Holo)?
The current match label is review carefully. Higher confidence means the raw and graded references are more likely to describe the same card; lower confidence means you should double-check the exact set, printing, and image before making a purchase decision.
Source references
The model is built from raw marketplace snapshots, PriceCharting-style graded values, sales/liquidity signals, and match-confidence checks. Use the onsite chart and PSA grade grid for fast decisions, then audit the original source when needed.