UncommonTrainer

Secret Wonders·Diamond & Pearl series·#125

Roseanne's Research #125

📉 Dip Alert

Roseanne's Research #125 sits in the Diamond & Pearl series and carries a live market value of $20.03, backed by real TCGplayer and Cardmarket data.

Market value

$20.03

Cardmarket (EUR)

€0.30

Print variants

7d trend

▼ 22.0%

Buy on TCGplayer from $1.41 eBay Cardmarket eBay sold prices

Trade this card

Price alert

Email alertsalso send the weekly digest

Leave the email blank to keep this alert in your browser only. With an email we'll notify you once per crossing — no account needed.

Want a weekly summary instead? Get the market digest by email — no account needed.

By CardLedger Research · Market data updated October 26, 2026 · Prices from TCGplayer & Cardmarket

If you sell Roseanne's Research #125 today, you'd net about

$20.03after fees · best route: Direct

Direct $20.03Cardmarket $18.68Whatnot $17.55TCGplayer $17.18eBay $17.08

Sell on Cardmarket Model your exact net →

Net estimates use each marketplace's default seller tier and typical shipping — fees vary by category, account status and payment method, so confirm current rates before selling.

Sell or hold?▼ 22.0%

Cooling off ▼

Roseanne's Research #125 has slipped week-on-week. Selling sooner limits downside, while buyers get a value window.

Roseanne's Research at a glance

Uncommon rarity.
Cardmarket trend price €0.30.
Secret Wonders, Diamond & Pearl series, 2007.
Trades around $20.03 on TCGplayer.
Recent averages: €0.32 (7d), €0.41 (30d).

Market prices

Roseanne's Research price by printing

Live TCGplayer and Cardmarket values for Roseanne's Research #125.

TCGplayer prices, updated 2026/10/26.

Reverse Holofoiltop

$20.03

TCGplayer market

Low: $29.50
Mid: $152.17
High: —

Normal

$3.35

TCGplayer market

Low: $1.41
Mid: $2.99
High: —

Cardmarket pricing (EUR)

Trend price

€0.30

Avg sold

€0.41

Lowest NM

€0.02

7-day avg

€0.32

30-day avg

€0.41

Cardmarket data updated 2026/10/26.

Verify the card image and live listings on TCGplayer, Cardmarket or eBay.

Deal check

Is this Roseanne's Research a good deal?

Put any asking price against today's live market value for Roseanne's Research #125.

Asking price

Enter what a seller is asking for Roseanne's Research #125. We compare it to today's live market value.

Live market value$20.03

Enter an asking price to see whether it's a steal, a fair price, or overpriced versus the $20.03 market value.

Overview

About Roseanne's Research #125

Card #125 of Secret Wonders is Roseanne's Research, a classic-era Trainer card from the Diamond & Pearl series (2007). This Trainer (Supporter) is used in decks as well as collections.

Kanako Eo illustrated this card. Its Reverse Holofoil printing is priced near $20.03, with listings from $29.50 to —.

Card facts

Set: Secret Wonders
Series: Diamond & Pearl
Number: #125 / 132
Rarity: Uncommon
Illustrator: Kanako Eo
Subtype: Supporter
Released: 2007/11/01

Card text

Roseanne's Research attacks, abilities & battle stats

Printed card text and battle statistics for Roseanne's Research #125 — the playability layer behind the price.

You can play only one Supporter card each turn. When you play this card, put it next to your Active Pokémon. When your turn ends, discard this card. Search your deck for up to 2 in any combination of Basic Pokémon and basic Energy cards, show them to your opponent, and put them into your hand. Shuffle your deck afterward.

Battle stats

Retreat cost: —
Attacks: —

Market analysis

Roseanne's Research price analysis

What drives the current market value of Roseanne's Research #125.

There are 2 tracked printings here — Reverse Holofoil at $20.03, Normal at $3.35.

This $20.03 tier rewards clean copies: a well-centred example sells well above a scuffed one.

Cardmarket values Roseanne's Research at a trend of €0.30, an average sold price of €0.41 and a near-mint floor of €0.02.

Price trend

Roseanne's Research price history & movement

2026-10-13 · $21.08▼ 5% since 2026-10-132026-10-26 · $20.03

The card is cooling off: the 7-day average sold price is €0.32, 22.0% below the 30-day average of €0.41.

Latest daily average €0.25 against a trend price of €0.30.

Roseanne's Research has been tracked here for 5 days, ranging from $19.56 to $21.08; the latest value sits at 31% of that recorded range and 5% below the high set October 13, 2026.

Daily moves average a volatility of 3.6%, and the largest peak-to-trough drawdown recorded is 7.2%.

Cardmarket averages

1-day avg€0.25

7-day avg€0.32

30-day avg€0.41

Trend price€0.30

Price fingerprint

Built from CardLedger's own daily snapshots · 5 days tracked · latest October 26, 2026

Prices as of October 26, 2026

Since October 21, 2026:▲ $0.47 (+2.4%)

All-time high

$21.08

October 13, 2026

All-time low

$19.56

October 19, 2026

Off all-time high

-5%

13 days since high

Since first snapshot

-5.0%

October 13, 2026

Max drawdown

-7.2%

peak-to-trough

Daily volatility

3.6%

st. dev of daily moves

Current value

$20.03

latest snapshot

Position in recorded range

31%

low $19.56high $21.08

Real recorded values from our daily TCGplayer snapshots — not estimates or back-filled history. Methodology

Sell this card

How much would you net selling Roseanne's Research?

Model the real take-home on a [object Object] sale across eBay, TCGplayer, Cardmarket and direct — fees and shipping included.

Selling Roseanne's Research at $20.03 nets roughly $17.08 on eBay, $17.18 on TCGplayer, $18.68 via Cardmarket, $17.55 on Whatnot or $20.03 direct — the platform you pick is worth up to $2.95.

With this much value in the fee gap, platform choice materially changes your return. Model your exact shipping in the tool below.

Your sale

Sale price

Pre-filled with the current TCGplayer market for Roseanne's Research #125.

Your shipping cost

Weight · 1 oz

I offer free shipping

Best net payout$20.03

Spread across platforms$2.95

Platform	Account	Fees	Eff. fee	You net
eBay	No Store	$2.95	14.7%	$17.08	Sell on eBay →
TCGplayer	Standard Seller	$2.85	14.2%	$17.18	Sell on TCGplayer →
Cardmarket / Local Shop	Private Seller	$1.35	6.7%	$18.68	Sell on Cardmarket →
Direct Sale (Social / Shows)best	Cash / In Person	—	0.0%	$20.03	Sell in person
Whatnot	Standard (8% + 2.9% + $0.30)	$2.48	12.4%	$17.55	Sell on Whatnot →

Modelled on each marketplace's default seller tier with your shipping input. Net payout = sale price − selling fees − outbound shipping. Fee figures are estimates (last reviewed October 15, 2026) and vary by category, account status and payment method — confirm current rates with the marketplace. Open the full seller fee calculator to model account tiers and buyer-paid shipping.

Grading ROI

Should you grade Roseanne's Research?

Model the break-even and PSA 9 vs PSA 10 profit on grading Roseanne's Research #125 against today's raw market value.

Grading plan

Raw purchase price

Pre-filled with the live market value for Roseanne's Research #125.

Grading service tier

Shipping & insurance

Both-way postage plus declared-value insurance.

Marketplace fee · 13%

Estimated graded values below are a transparent starting point based on the raw price band — edit them with real graded comps before deciding.

PSA 9 value

PSA 10 value

Chance of PSA 9 · 55%

Chance of PSA 10 · 30%

Should you grade this?

Borderline — hinges on PSA 10 odds

At $20.03 raw and $40.00 all-in grading cost, a PSA 10 nets $3.57 versus selling raw, a PSA 9 nets —. You need a graded sale of $66.01 to break even on grading.

At your stated grade odds the expected profit is — (-22.1% return on cost basis).

Net selling raw

$17.43

Net as PSA 9

—

[object Object] vs raw

Net as PSA 10

$21.00

[object Object] vs raw

Break-even sale

$66.01

Expected value

$4.16

Expected profit

—

-22.1% ROI

Grading costs, turnaround and grade outcomes vary by service and card. The estimated PSA 9 and PSA 10 values are heuristics, not predictions — always sanity-check against recent graded sold listings before committing. This is a modelling tool, not financial advice.

Set context

Roseanne's Research within Secret Wonders

By market value Roseanne's Research sits at #28 of 70 in Secret Wonders (set median $14.27).

It sits in the top 61% of the checklist on price.

The set's top card is Lugia (#14), valued at $376.20.

Rank in set

#28

of 70 tracked

Set median

$14.27

Rarity

Uncommon

Series

Diamond & Pearl

Full Secret Wonders report →

Value drivers

What makes Roseanne's Research valuable

At $20.03 it is liquid enough to sell on major marketplaces, and its steady supply status means buyers compete for clean copies.
Roseanne's Research is a Trainer, so its value leans on deck utility and set builders.
Artwork by Kanako Eo is a factor for collectors who follow specific illustrators.
Classic-era cards like Roseanne's Research (2007) are out of print, so condition drives differentiation.
At Uncommon rarity, Roseanne's Research is widely available — its value comes from playability and condition.

Buying notes

Buying & selling Roseanne's Research

Because it is a Trainer card, Roseanne's Research has both collector and player demand — a broader buyer pool than purely collectible cards.
Secret Wonders was released in 2007; sealed product from this era is limited, so raw singles appreciate with collector demand.
If you are buying to resell, model marketplace fees first — the $20.03 value is pre-fee, and the seller-fee calculator shows the net take-home per platform.
Centring and surface condition matter most on Uncommon cards; a clean copy of Roseanne's Research can realise well above the $29.50 low end.
Track the Cardmarket 7- and 30-day averages (€0.32 and €0.41) to time entries and exits.

FAQ

Roseanne's Research value questions

What is the value of Roseanne's Research?

Roseanne's Research trades near $20.03 on TCGplayer (Reverse Holofoil), ranging $29.50–—; Cardmarket shows €0.30.

Should I buy Roseanne's Research?

The card is softening on recent averages. Uncommon rarity and the classic-era Diamond & Pearl set pedigree are the main long-term value anchors.

What rarity is Roseanne's Research?

Roseanne's Research is a Uncommon card from Secret Wonders (Diamond & Pearl series, 2007). It sits in a common-to-mid rarity tier, so condition and variant matter more than raw scarcity.

Which versions of Roseanne's Research are there?

TCGplayer tracks 2 printings: Reverse Holofoil ($20.03), Normal ($3.35). Prices differ between variants, so always confirm which one you own or are buying.

Where can I buy or sell Roseanne's Research?

The main marketplaces are TCGplayer (USD), Cardmarket (EUR) and eBay. Current TCGplayer market is $20.03. When selling, compare net proceeds after fees — eBay and TCGplayer typically charge 9–13%, while direct sales carry lower or no fees.

What affects the price of Roseanne's Research?

Four factors dominate: the Uncommon rarity tier, the classic-era Diamond & Pearl set pedigree, playability (Trainer), and condition. Artwork by Kanako Eo also matters to collector demand.

Explore