{
 "schemaVersion": "1.0.0",
 "datasetId": "opbox-ai-grading",
 "name": "OP Box Index — graded population per set (PSA, CGC, TAG)",
 "datasetUpdatedOn": "2026-10-17",
 "publisher": {
  "name": "OP Box Index",
  "url": "https://opboxindex.com/"
 },
 "canonicalPage": "https://opboxindex.com/psa-grading.html",
 "license": {
  "name": "CC BY 4.0",
  "url": "https://creativecommons.org/licenses/by/4.0/"
 },
 "attribution": "Data: OP Box Index — https://opboxindex.com/free-data.html",
 "nullPolicy": "null means unavailable or not verified; it never means zero",
 "coreDataset": "https://opboxindex.com/opbox-ai-data.json",
 "basis": "Weekly cumulative grading population per booster-box set, per grading company. 'total' is the running cumulative count of cards from that set graded by that company; 'add' is the change from the previous observation (negative values are real — re-grades and corrections do reduce published populations). Japanese and English printings are kept separate. Gem counts are per company and are NOT summed across companies: CGC splits Pristine 10 from Gem Mint 10 and TAG scores 10 apart from 10P, so a combined 'number of 10s' would merge three different standards. latestTotal sums each company's most recent observation and records which date each figure came from, because the companies are not observed on the same day.",
 "definitions": {
  "total": "graded copies the grader reports for that set and printing on observedOn",
  "gem10": "PSA 10 / CGC 10 (Pristine + Gem Mint) / TAG 10 + 10 Pristine counts; graders define 10 differently, so never add them across graders",
  "gemRatePct": "gem10 ÷ total × 100"
 },
 "observedOn": "2026-10-17",
 "sets": [
  {
   "setCode": "OP-01",
   "canonicalUrl": "https://opboxindex.com/psa-grading.html",
   "japanese": {
    "psa": {
     "observedOn": "2026-10-11",
     "total": 60810,
     "gem10": 54644,
     "gemRatePct": 89.9,
     "addedSinceLastPoint": 484
    },
    "cgc": {
     "observedOn": "2026-10-12",
     "total": 7249,
     "gem10": null,
     "gemRatePct": null,
     "addedSinceLastPoint": 44
    },
    "tag": {
     "observedOn": "2026-10-14",
     "total": 286,
     "gem10": 208,
     "gemRatePct": 72.7,
     "addedSinceLastPoint": 0
    }
   },
   "english": {
    "psa": {
     "observedOn": "2026-10-11",
     "total": 51274,
     "gem10": 42981,
     "gemRatePct": 83.8,
     "addedSinceLastPoint": 570
    },
    "cgc": {
     "observedOn": "2026-10-12",
     "total": 4450,
     "gem10": null,
     "gemRatePct": null,
     "addedSinceLastPoint": 49
    },
    "tag": {
     "observedOn": "2026-10-14",
     "total": 612,
     "gem10": 396,
     "gemRatePct": 64.7,
     "addedSinceLastPoint": 8
    }
   }
  },
  {
   "setCode": "OP-02",
   "canonicalUrl": "https://opboxindex.com/psa-grading.html",
   "japanese": {
    "psa": {
     "observedOn": "2026-10-11",
     "total": 30255,
     "gem10": 27085,
     "gemRatePct": 89.5,
     "addedSinceLastPoint": 295
    },
    "cgc": {
     "observedOn": "2026-10-12",
     "total": 4103,
     "gem10": null,
     "gemRatePct": null,
     "addedSinceLastPoint": 66
    },
    "tag": {
     "observedOn": "2026-10-14",
     "total": 166,
     "gem10": 99,
     "gemRatePct": 59.6,
     "addedSinceLastPoint": 0
    }
   },
   "english": {
    "psa": {
     "observedOn": "2026-10-11",
     "total": 22604,
     "gem10": 19414,
     "gemRatePct": 85.9,
     "addedSinceLastPoint": 163
    },
    "cgc": {
     "observedOn": "2026-10-12",
     "total": 2911,
     "gem10": null,
     "gemRatePct": null,
     "addedSinceLastPoint": 11
    },
    "tag": {
     "observedOn": "2026-10-14",
     "total": 298,
     "gem10": 196,
     "gemRatePct": 65.8,
     "addedSinceLastPoint": 2
    }
   }
  },
  {
   "setCode": "OP-03",
   "canonicalUrl": "https://opboxindex.com/psa-grading.html",
   "japanese": {
    "psa": {
     "observedOn": "2026-10-11",
     "total": 26101,
     "gem10": 22934,
     "gemRatePct": 87.9,
     "addedSinceLastPoint": 176
    },
    "cgc": {
     "observedOn": "2026-10-12",
     "total": 2598,
     "gem10": null,
     "gemRatePct": null,
     "addedSinceLastPoint": 12
    },
    "tag": {
     "observedOn": "2026-10-14",
     "total": 203,
     "gem10": 130,
     "gemRatePct": 64,
     "addedSinceLastPoint": 1
    }
   },
   "english": {
    "psa": {
     "observedOn": "2026-10-11",
     "total": 18351,
     "gem10": 15093,
     "gemRatePct": 82.2,
     "addedSinceLastPoint": 132
    },
    "cgc": {
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     "total": 1705,
     "gem10": null,
     "gemRatePct": null,
     "addedSinceLastPoint": 24
    },
    "tag": {
     "observedOn": "2026-10-14",
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     "gemRatePct": 62.2,
     "addedSinceLastPoint": 5
    }
   }
  },
  {
   "setCode": "OP-04",
   "canonicalUrl": "https://opboxindex.com/psa-grading.html",
   "japanese": {
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     "total": 33127,
     "gem10": 30098,
     "gemRatePct": 90.9,
     "addedSinceLastPoint": 227
    },
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     "gemRatePct": null,
     "addedSinceLastPoint": 9
    },
    "tag": {
     "observedOn": "2026-10-14",
     "total": 258,
     "gem10": 171,
     "gemRatePct": 66.3,
     "addedSinceLastPoint": 6
    }
   },
   "english": {
    "psa": {
     "observedOn": "2026-10-11",
     "total": 26901,
     "gem10": 23501,
     "gemRatePct": 87.4,
     "addedSinceLastPoint": 214
    },
    "cgc": {
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     "total": 2824,
     "gem10": null,
     "gemRatePct": null,
     "addedSinceLastPoint": 41
    },
    "tag": {
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     "total": 394,
     "gem10": 288,
     "gemRatePct": 73.1,
     "addedSinceLastPoint": 0
    }
   }
  },
  {
   "setCode": "OP-05",
   "canonicalUrl": "https://opboxindex.com/psa-grading.html",
   "japanese": {
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     "gem10": 71060,
     "gemRatePct": 88.3,
     "addedSinceLastPoint": 1480
    },
    "cgc": {
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     "total": 9478,
     "gem10": null,
     "gemRatePct": null,
     "addedSinceLastPoint": 57
    },
    "tag": {
     "observedOn": "2026-10-14",
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     "gemRatePct": 72,
     "addedSinceLastPoint": 5
    }
   },
   "english": {
    "psa": {
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     "total": 58567,
     "gem10": 51916,
     "gemRatePct": 88.6,
     "addedSinceLastPoint": 584
    },
    "cgc": {
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     "total": 4943,
     "gem10": null,
     "gemRatePct": null,
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    },
    "tag": {
     "observedOn": "2026-10-14",
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     "gem10": 781,
     "gemRatePct": 77.3,
     "addedSinceLastPoint": 14
    }
   }
  },
  {
   "setCode": "OP-06",
   "canonicalUrl": "https://opboxindex.com/psa-grading.html",
   "japanese": {
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     "gem10": 35728,
     "gemRatePct": 93.6,
     "addedSinceLastPoint": 424
    },
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     "gemRatePct": null,
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    },
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     "gem10": 317,
     "gemRatePct": 74.2,
     "addedSinceLastPoint": 0
    }
   },
   "english": {
    "psa": {
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     "total": 40779,
     "gem10": 36789,
     "gemRatePct": 90.2,
     "addedSinceLastPoint": 399
    },
    "cgc": {
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     "total": 4476,
     "gem10": null,
     "gemRatePct": null,
     "addedSinceLastPoint": 31
    },
    "tag": {
     "observedOn": "2026-10-14",
     "total": 826,
     "gem10": 646,
     "gemRatePct": 78.2,
     "addedSinceLastPoint": 6
    }
   }
  },
  {
   "setCode": "OP-07",
   "canonicalUrl": "https://opboxindex.com/psa-grading.html",
   "japanese": {
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     "gem10": 35093,
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    },
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   },
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    },
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    },
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     "gemRatePct": 77.3,
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   }
  },
  {
   "setCode": "OP-08",
   "canonicalUrl": "https://opboxindex.com/psa-grading.html",
   "japanese": {
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    },
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   },
   "english": {
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    },
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    },
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     "addedSinceLastPoint": 1
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   }
  },
  {
   "setCode": "OP-09",
   "canonicalUrl": "https://opboxindex.com/psa-grading.html",
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    },
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    },
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     "gem10": 773,
     "gemRatePct": 71.4,
     "addedSinceLastPoint": 4
    }
   },
   "english": {
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     "gem10": 50675,
     "gemRatePct": 88.1,
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    },
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     "gem10": 1404,
     "gemRatePct": 80.5,
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    }
   }
  },
  {
   "setCode": "OP-10",
   "canonicalUrl": "https://opboxindex.com/psa-grading.html",
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    }
   },
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   },
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