{
 "schema_version": 1,
 "slug": "canadian-gold-maple-leaf-1oz",
 "name": "1 oz Canadian Gold Maple Leaf",
 "metal": "gold",
 "oz": 1,
 "first_snapshot": "2026-10-15T05:00:54+00:00",
 "last_snapshot": "2026-11-11T14:49:33+00:00",
 "days_with_data": 27,
 "snapshots": 514,
 "daily": [
  {
   "date": "2026-10-15",
   "snapshots": 20,
   "dealers_quoted": 10,
   "median_premium_pct": 3.46,
   "lowest_premium_pct": 1.59,
   "spread_pp": 2.85,
   "spot_avg": 4153.22
  },
  {
   "date": "2026-10-16",
   "snapshots": 7,
   "dealers_quoted": 10,
   "median_premium_pct": 2.88,
   "lowest_premium_pct": 1.34,
   "spread_pp": 3.06,
   "spot_avg": 4171.87
  },
  {
   "date": "2026-10-17",
   "snapshots": 2,
   "dealers_quoted": 10,
   "median_premium_pct": 2.85,
   "lowest_premium_pct": 1.33,
   "spread_pp": 3.01,
   "spot_avg": 4166.1
  },
  {
   "date": "2026-10-18",
   "snapshots": 12,
   "dealers_quoted": 10,
   "median_premium_pct": 2.85,
   "lowest_premium_pct": 1.33,
   "spread_pp": 3.01,
   "spot_avg": 4171.55
  },
  {
   "date": "2026-10-19",
   "snapshots": 32,
   "dealers_quoted": 10,
   "median_premium_pct": 2.91,
   "lowest_premium_pct": 1.29,
   "spread_pp": 3.14,
   "spot_avg": 4145.9
  },
  {
   "date": "2026-10-20",
   "snapshots": 22,
   "dealers_quoted": 9,
   "median_premium_pct": 2.61,
   "lowest_premium_pct": 1.32,
   "spread_pp": 3.17,
   "spot_avg": 4127.37
  },
  {
   "date": "2026-10-21",
   "snapshots": 7,
   "dealers_quoted": 8,
   "median_premium_pct": 2.73,
   "lowest_premium_pct": 1.32,
   "spread_pp": 3.16,
   "spot_avg": 4138.13
  },
  {
   "date": "2026-10-22",
   "snapshots": 23,
   "dealers_quoted": 9,
   "median_premium_pct": 2.83,
   "lowest_premium_pct": 1.35,
   "spread_pp": 3.12,
   "spot_avg": 4042.99
  },
  {
   "date": "2026-10-23",
   "snapshots": 27,
   "dealers_quoted": 9,
   "median_premium_pct": 2.95,
   "lowest_premium_pct": 1.36,
   "spread_pp": 3.18,
   "spot_avg": 4007.26
  },
  {
   "date": "2026-10-24",
   "snapshots": 30,
   "dealers_quoted": 10,
   "median_premium_pct": 2.95,
   "lowest_premium_pct": 1.38,
   "spread_pp": 3.12,
   "spot_avg": 3996.9
  },
  {
   "date": "2026-10-25",
   "snapshots": 31,
   "dealers_quoted": 10,
   "median_premium_pct": 2.96,
   "lowest_premium_pct": 1.38,
   "spread_pp": 3.12,
   "spot_avg": 3997.18
  },
  {
   "date": "2026-10-26",
   "snapshots": 17,
   "dealers_quoted": 10,
   "median_premium_pct": 2.89,
   "lowest_premium_pct": 1.3,
   "spread_pp": 3.23,
   "spot_avg": 4017.14
  },
  {
   "date": "2026-10-27",
   "snapshots": 7,
   "dealers_quoted": 9,
   "median_premium_pct": 2.71,
   "lowest_premium_pct": 1.33,
   "spread_pp": 3.18,
   "spot_avg": 4043.96
  },
  {
   "date": "2026-10-28",
   "snapshots": 2,
   "dealers_quoted": 9,
   "median_premium_pct": 2.69,
   "lowest_premium_pct": 1.29,
   "spread_pp": 3.22,
   "spot_avg": 4052.05
  },
  {
   "date": "2026-10-29",
   "snapshots": 18,
   "dealers_quoted": 9,
   "median_premium_pct": 2.7,
   "lowest_premium_pct": 1.19,
   "spread_pp": 3.85,
   "spot_avg": 4017.09
  },
  {
   "date": "2026-10-30",
   "snapshots": 25,
   "dealers_quoted": 9,
   "median_premium_pct": 2.84,
   "lowest_premium_pct": 1.25,
   "spread_pp": 3.4,
   "spot_avg": 3912.33
  },
  {
   "date": "2026-10-31",
   "snapshots": 24,
   "dealers_quoted": 9,
   "median_premium_pct": 3.29,
   "lowest_premium_pct": 1.28,
   "spread_pp": 3.38,
   "spot_avg": 3876.4
  },
  {
   "date": "2026-11-01",
   "snapshots": 22,
   "dealers_quoted": 8,
   "median_premium_pct": 3.28,
   "lowest_premium_pct": 1.28,
   "spread_pp": 3.38,
   "spot_avg": 3884.73
  },
  {
   "date": "2026-11-02",
   "snapshots": 7,
   "dealers_quoted": 8,
   "median_premium_pct": 2.96,
   "lowest_premium_pct": 1.22,
   "spread_pp": 3.45,
   "spot_avg": 3944.43
  },
  {
   "date": "2026-11-04",
   "snapshots": 20,
   "dealers_quoted": 9,
   "median_premium_pct": 3.0,
   "lowest_premium_pct": 1.17,
   "spread_pp": 3.57,
   "spot_avg": 4069.98
  },
  {
   "date": "2026-11-05",
   "snapshots": 19,
   "dealers_quoted": 9,
   "median_premium_pct": 3.09,
   "lowest_premium_pct": 1.18,
   "spread_pp": 3.61,
   "spot_avg": 4095.28
  },
  {
   "date": "2026-11-06",
   "snapshots": 23,
   "dealers_quoted": 9,
   "median_premium_pct": 3.04,
   "lowest_premium_pct": 1.16,
   "spread_pp": 3.86,
   "spot_avg": 4067.41
  },
  {
   "date": "2026-11-07",
   "snapshots": 19,
   "dealers_quoted": 9,
   "median_premium_pct": 3.28,
   "lowest_premium_pct": 1.19,
   "spread_pp": 3.94,
   "spot_avg": 4072.1
  },
  {
   "date": "2026-11-08",
   "snapshots": 21,
   "dealers_quoted": 9,
   "median_premium_pct": 3.28,
   "lowest_premium_pct": 1.19,
   "spread_pp": 3.94,
   "spot_avg": 4084.34
  },
  {
   "date": "2026-11-09",
   "snapshots": 27,
   "dealers_quoted": 9,
   "median_premium_pct": 3.01,
   "lowest_premium_pct": 1.16,
   "spread_pp": 3.78,
   "spot_avg": 4120.56
  },
  {
   "date": "2026-11-10",
   "snapshots": 37,
   "dealers_quoted": 10,
   "median_premium_pct": 3.0,
   "lowest_premium_pct": 2.22,
   "spread_pp": 2.66,
   "spot_avg": 4055.1
  },
  {
   "date": "2026-11-11",
   "snapshots": 13,
   "dealers_quoted": 9,
   "median_premium_pct": 2.99,
   "lowest_premium_pct": 2.2,
   "spread_pp": 2.62,
   "spot_avg": 4050.92
  }
 ],
 "dealers": [
  {
   "dealer": "mintbuilder",
   "snapshots": 462,
   "coverage_pct": 89.9,
   "avg_premium_pct": 1.27,
   "avg_rank": 1.03,
   "vs_market_median_pp": -1.7,
   "times_cheapest": 446,
   "premium_volatility_pp": 0.12,
   "price_changes": 242,
   "dealer_name": "MintBuilder"
  },
  {
   "dealer": "monument",
   "snapshots": 462,
   "coverage_pct": 89.9,
   "avg_premium_pct": 2.28,
   "avg_rank": 2.53,
   "vs_market_median_pp": -0.67,
   "times_cheapest": 40,
   "premium_volatility_pp": 0.07,
   "price_changes": 319,
   "dealer_name": "Monument Metals"
  },
  {
   "dealer": "agate",
   "snapshots": 478,
   "coverage_pct": 93.0,
   "avg_premium_pct": 2.95,
   "avg_rank": 4.46,
   "vs_market_median_pp": -0.03,
   "times_cheapest": 24,
   "premium_volatility_pp": 1.55,
   "price_changes": 127,
   "dealer_name": "Agate Metals"
  },
  {
   "dealer": "goldeneagle",
   "snapshots": 502,
   "coverage_pct": 97.7,
   "avg_premium_pct": 2.93,
   "avg_rank": 4.52,
   "vs_market_median_pp": -0.04,
   "times_cheapest": 0,
   "premium_volatility_pp": 0.06,
   "price_changes": 336,
   "dealer_name": "Golden Eagle Coins"
  },
  {
   "dealer": "hero",
   "snapshots": 204,
   "coverage_pct": 39.7,
   "avg_premium_pct": 2.7,
   "avg_rank": 4.75,
   "vs_market_median_pp": -0.16,
   "times_cheapest": 0,
   "premium_volatility_pp": 0.52,
   "price_changes": 17,
   "dealer_name": "Hero Bullion"
  },
  {
   "dealer": "bullionstandard",
   "snapshots": 502,
   "coverage_pct": 97.7,
   "avg_premium_pct": 2.94,
   "avg_rank": 4.89,
   "vs_market_median_pp": -0.04,
   "times_cheapest": 0,
   "premium_volatility_pp": 0.32,
   "price_changes": 334,
   "dealer_name": "Bullion Standard"
  },
  {
   "dealer": "sdbullion",
   "snapshots": 510,
   "coverage_pct": 99.2,
   "avg_premium_pct": 3.1,
   "avg_rank": 5.31,
   "vs_market_median_pp": 0.12,
   "times_cheapest": 4,
   "premium_volatility_pp": 0.48,
   "price_changes": 141,
   "dealer_name": "SD Bullion"
  },
  {
   "dealer": "summit",
   "snapshots": 502,
   "coverage_pct": 97.7,
   "avg_premium_pct": 3.34,
   "avg_rank": 6.1,
   "vs_market_median_pp": 0.37,
   "times_cheapest": 0,
   "premium_volatility_pp": 0.2,
   "price_changes": 332,
   "dealer_name": "Summit Metals"
  },
  {
   "dealer": "kitco",
   "snapshots": 56,
   "coverage_pct": 10.9,
   "avg_premium_pct": 3.61,
   "avg_rank": 7.16,
   "vs_market_median_pp": 0.57,
   "times_cheapest": 0,
   "premium_volatility_pp": 0.19,
   "price_changes": 44,
   "dealer_name": "Kitco"
  },
  {
   "dealer": "atcost",
   "snapshots": 347,
   "coverage_pct": 67.5,
   "avg_premium_pct": 4.22,
   "avg_rank": 7.52,
   "vs_market_median_pp": 1.18,
   "times_cheapest": 0,
   "premium_volatility_pp": 0.21,
   "price_changes": 214,
   "dealer_name": "At Cost Metals"
  },
  {
   "dealer": "apmex",
   "snapshots": 513,
   "coverage_pct": 99.8,
   "avg_premium_pct": 4.53,
   "avg_rank": 8.42,
   "vs_market_median_pp": 1.54,
   "times_cheapest": 0,
   "premium_volatility_pp": 0.26,
   "price_changes": 346,
   "dealer_name": "APMEX"
  }
 ],
 "method": "Premium % = price / (spot x oz) - 1 with the spot recorded in the same snapshot. vs_market_median_pp = mean over snapshots of (dealer premium - median dealer premium in that snapshot). Daily values are the median across that day's snapshots (ET days). Rank 1 = lowest premium in a snapshot. Vs market median = a dealer's premium minus the median dealer premium in the same snapshot, averaged (negative = below the market). Volatility = population std dev of a dealer's premium % across snapshots (removes spot moves). No values are interpolated; days without snapshots are absent."
}