Price history
Daily median raw (ungraded) market price across the sources we track. Updates each time the price job runs. Scrub the chart for the exact price on a day.
博士の研究（フトゥー博士） #98
Professor's Research
バイオレットex · Ultra Rare
Where to pull it
Every ranked product whose packs can contain this exact card, best odds first. Odds assume uniform pull rates within the card's rarity tier — real sets short-print their biggest chases, so read them as a ceiling.
| Product | Market | Per pack | P(≥1) / product |
|---|---|---|---|
 バイオレットex Booster Box (30 packs) | $89.50 | 1 in 400 | 7.2% |
 バイオレットex Booster Pack | $2.59 | 1 in 400 | 0.2% |
How much is 博士の研究（フトゥー博士） #98 worth?
博士の研究（フトゥー博士） #98 is a Ultra Rare from the Pokémon TCG set バイオレットex. Its current raw market value is $1.88, blended from live eBay sold prices and TCGplayer market data.
What are the odds of pulling 博士の研究（フトゥー博士） #98?
You can expect to pull 博士の研究（フトゥー博士） roughly 1 in 400 packs — its Ultra Rare slot appears in about 2.5% of packs, shared across 10 cards of that rarity in バイオレットex. Opening a whole バイオレットex Booster Box (30 packs) gives you about a 7.2% chance of pulling at least one.
Which バイオレットex product should you open for it?
Every product in the table above draws from the same バイオレットex pack pool, so the honest answer is whichever costs least per pack — currently the バイオレットex Booster Pack at $2.59. Bear in mind that on our numbers nearly every sealed Pokémon TCG product returns less than it costs when opened: buying the single outright is usually cheaper than chasing it.
博士の研究（フトゥー博士） (Professor's Research) price history
Since we began tracking on 2026-08-23, 博士の研究（フトゥー博士） has moved from $1.89 to $1.88 (-0.5%). The chart above shows every tracked day; history deepens daily and nothing earlier is invented.