{
 "schemaVersion": 1,
 "url": "https://www.moonstonehq.com/card/base1-9",
 "dataUrl": "https://www.moonstonehq.com/card/base1-9/data.json",
 "asOf": "2026-09-27",
 "card": {
  "id": "base1-9",
  "name": "Magneton",
  "number": "9",
  "printedTotal": 102,
  "setName": "Base Set",
  "language": "en",
  "illustrator": "Keiji Kinebuchi",
  "image": "https://assets.tcgdex.net/en/base/base1/9/high.webp",
  "tcgplayerProductId": "42433"
 },
 "marketPrice": {
  "value": 36.43,
  "currency": "USD",
  "condition": "near mint",
  "asOf": "2026-09-27",
  "source": "TCGplayer market price, recorded daily"
 },
 "psa10": null,
 "psa9": {
  "price": 244.99,
  "currency": "USD",
  "sales": 13,
  "kind": "provider",
  "windowDays": null,
  "median": null,
  "lastSale": null,
  "divergesFrom": null,
  "asOf": "2026-09-23"
 },
 "gradedMedians": [
  {
   "company": "PSA",
   "grade": "9",
   "median": 244.99,
   "currency": "USD",
   "sales": 13,
   "asOf": "2026-09-23"
  },
  {
   "company": "PSA",
   "grade": "10",
   "median": 1499,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-26"
  },
  {
   "company": "PSA",
   "grade": "8",
   "median": 60,
   "currency": "USD",
   "sales": 15,
   "asOf": "2026-09-26"
  },
  {
   "company": "PSA",
   "grade": "7",
   "median": 37.99,
   "currency": "USD",
   "sales": 15,
   "asOf": "2026-09-26"
  },
  {
   "company": "PSA",
   "grade": "6",
   "median": 29.99,
   "currency": "USD",
   "sales": 6,
   "asOf": "2026-09-26"
  },
  {
   "company": "PSA",
   "grade": "5",
   "median": 28,
   "currency": "USD",
   "sales": 3,
   "asOf": "2026-09-26"
  },
  {
   "company": "PSA",
   "grade": "4",
   "median": 25,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-26"
  },
  {
   "company": "PSA",
   "grade": "2",
   "median": 25,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-26"
  },
  {
   "company": "CGC",
   "grade": "8.5",
   "median": 51,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-26"
  },
  {
   "company": "CGC",
   "grade": "7.5",
   "median": 40,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-26"
  },
  {
   "company": "SGC",
   "grade": "6",
   "median": 25,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-26"
  },
  {
   "company": "CGC",
   "grade": "10",
   "median": 355,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-26"
  },
  {
   "company": "CGC",
   "grade": "6.5",
   "median": 25,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-26"
  },
  {
   "company": "TAG",
   "grade": "7",
   "median": 22.5,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-26"
  },
  {
   "company": "BGS",
   "grade": "9",
   "median": 149.99,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-26"
  },
  {
   "company": "CGC",
   "grade": "5.5",
   "median": 19.95,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-26"
  },
  {
   "company": "GMA",
   "grade": "4.5",
   "median": 12.99,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-26"
  }
 ],
 "population": {
  "company": "PSA",
  "total": 13144,
  "gem": 190,
  "psa9": 2164,
  "gemRatePercent": 1.4,
  "asOf": null
 },
 "priceSeries": {
  "granularity": "daily",
  "points": 29,
  "firstDay": "2026-08-30",
  "lastDay": "2026-09-27",
  "return30dPercent": 4.7
 },
 "facts": [
  {
   "key": "marketPrice",
   "label": "Market price",
   "value": "$36.43",
   "number": 36.43,
   "unit": "USD",
   "basis": "TCGplayer market price for this printing, near mint",
   "asOf": "2026-09-27"
  },
  {
   "key": "psa9Median",
   "label": "PSA 9 market price",
   "value": "$244.99",
   "number": 244.99,
   "unit": "USD",
   "basis": "A market price of $244.99 over 13 recorded sales verified as this card",
   "asOf": "2026-09-23"
  },
  {
   "key": "psaPopulation",
   "label": "PSA population",
   "value": "13,144",
   "number": 13144,
   "unit": "count",
   "basis": "Copies on the PSA registry, all grades",
   "asOf": null
  },
  {
   "key": "psaGemRate",
   "label": "PSA gem rate",
   "value": "1.4%",
   "number": 1.4,
   "unit": "percent",
   "basis": "190 of 13,144 submissions graded 10",
   "asOf": null
  },
  {
   "key": "recordedPricePoints",
   "label": "Recorded price readings",
   "value": "29",
   "number": 29,
   "unit": "count",
   "basis": "One reading per day between August 30, 2026 and September 27, 2026",
   "asOf": "2026-09-27"
  },
  {
   "key": "return30d",
   "label": "30-day price move",
   "value": "+4.7%",
   "number": 4.7,
   "unit": "percent",
   "basis": "Trailing 30 days of moonstone's own recorded daily series",
   "asOf": "2026-09-27"
  }
 ],
 "questions": [
  {
   "q": "How much is Magneton 9/102 from Base Set worth?",
   "a": "$36.43 raw, as of September 27, 2026. That is the recorded TCGplayer market price for this printing in near mint condition, not an ask moonstone sets."
  },
  {
   "q": "How many Magneton 9/102 has PSA graded?",
   "a": "13,144 copies sit on the PSA registry across all grades, and 1.4% of them came back a 10 (190 tens)."
  }
 ],
 "methodology": {
  "marketPrice": "The daily recorded TCGplayer market price for this exact printing, in USD, near mint. moonstone sells no cards and quotes no ask of its own.",
  "gradedMedians": "Medians of verified sold listings for that grade, never a multiplier applied to the raw price. Every median carries the number of sales behind it, and a figure built on fewer than 2 sales is reported as a single sale rather than as a median.",
  "population": "A snapshot of the PSA registry for this card. A gem rate is reported only when the registry row breaks out the tens; an absent breakdown is reported as absent, never as zero.",
  "priceSeries": "moonstone's own daily price tape, one reading per day. `points` is how many days we hold, not how many days the card has existed."
 },
 "license": "https://www.moonstonehq.com/legal/terms",
 "disclaimer": "moonstone is independent research and market data, not financial, investment, tax or legal advice. Collectibles are speculative, illiquid and volatile."
}