{
 "schemaVersion": 1,
 "url": "https://www.moonstonehq.com/card/base1-45",
 "dataUrl": "https://www.moonstonehq.com/card/base1-45/data.json",
 "asOf": "2026-09-27",
 "card": {
  "id": "base1-45",
  "name": "Caterpie",
  "number": "45",
  "printedTotal": 102,
  "setName": "Base Set",
  "language": "en",
  "illustrator": "Ken Sugimori",
  "image": "https://assets.tcgdex.net/en/base/base1/45/high.webp",
  "tcgplayerProductId": "42388"
 },
 "marketPrice": {
  "value": 0.9,
  "currency": "USD",
  "condition": "near mint",
  "asOf": "2026-09-27",
  "source": "TCGplayer market price, recorded daily"
 },
 "psa10": null,
 "psa9": {
  "price": 42,
  "currency": "USD",
  "sales": 11,
  "kind": "provider",
  "windowDays": null,
  "median": null,
  "lastSale": null,
  "divergesFrom": null,
  "asOf": "2026-09-23"
 },
 "gradedMedians": [
  {
   "company": "CGC",
   "grade": "10",
   "median": 41.49,
   "currency": "USD",
   "sales": 3,
   "asOf": "2026-09-23"
  },
  {
   "company": "PSA",
   "grade": "9",
   "median": 42,
   "currency": "USD",
   "sales": 11,
   "asOf": "2026-09-23"
  }
 ],
 "population": {
  "company": "PSA",
  "total": 161,
  "gem": 61,
  "psa9": 66,
  "gemRatePercent": 38,
  "asOf": null
 },
 "priceSeries": {
  "granularity": "daily",
  "points": 29,
  "firstDay": "2026-08-30",
  "lastDay": "2026-09-27",
  "return30dPercent": -18.9
 },
 "facts": [
  {
   "key": "marketPrice",
   "label": "Market price",
   "value": "$0.90",
   "number": 0.9,
   "unit": "USD",
   "basis": "TCGplayer market price for this printing, near mint",
   "asOf": "2026-09-27"
  },
  {
   "key": "psa9Median",
   "label": "PSA 9 market price",
   "value": "$42",
   "number": 42,
   "unit": "USD",
   "basis": "A market price of $42 over 11 recorded sales verified as this card",
   "asOf": "2026-09-23"
  },
  {
   "key": "psaPopulation",
   "label": "PSA population",
   "value": "161",
   "number": 161,
   "unit": "count",
   "basis": "Copies on the PSA registry, all grades",
   "asOf": null
  },
  {
   "key": "psaGemRate",
   "label": "PSA gem rate",
   "value": "38%",
   "number": 38,
   "unit": "percent",
   "basis": "61 of 161 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": "-18.9%",
   "number": -18.9,
   "unit": "percent",
   "basis": "Trailing 30 days of moonstone's own recorded daily series",
   "asOf": "2026-09-27"
  }
 ],
 "questions": [
  {
   "q": "How much is Caterpie 45/102 from Base Set worth?",
   "a": "$0.90 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 Caterpie 45/102 has PSA graded?",
   "a": "161 copies sit on the PSA registry across all grades, and 38% of them came back a 10 (61 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."
}