{
 "schema_version": 1,
 "slug": "silver-bar-1kilo",
 "name": "1 Kilo Silver Bar",
 "metal": "silver",
 "oz": 32.15,
 "first_snapshot": "2026-10-15T05:00:54+00:00",
 "last_snapshot": "2026-11-11T14:49:33+00:00",
 "days_with_data": 27,
 "snapshots": 516,
 "daily": [
  {
   "date": "2026-10-15",
   "snapshots": 20,
   "dealers_quoted": 8,
   "median_premium_pct": 8.42,
   "lowest_premium_pct": 6.98,
   "spread_pp": 7.75,
   "spot_avg": 56.84
  },
  {
   "date": "2026-10-16",
   "snapshots": 7,
   "dealers_quoted": 7,
   "median_premium_pct": 6.48,
   "lowest_premium_pct": 0.56,
   "spread_pp": 13.85,
   "spot_avg": 57.57
  },
  {
   "date": "2026-10-17",
   "snapshots": 2,
   "dealers_quoted": 7,
   "median_premium_pct": 6.54,
   "lowest_premium_pct": 0.62,
   "spread_pp": 13.94,
   "spot_avg": 57.12
  },
  {
   "date": "2026-10-18",
   "snapshots": 12,
   "dealers_quoted": 6,
   "median_premium_pct": 6.41,
   "lowest_premium_pct": 0.62,
   "spread_pp": 13.93,
   "spot_avg": 57.37
  },
  {
   "date": "2026-10-19",
   "snapshots": 32,
   "dealers_quoted": 6,
   "median_premium_pct": 6.5,
   "lowest_premium_pct": 0.64,
   "spread_pp": 13.84,
   "spot_avg": 57.34
  },
  {
   "date": "2026-10-20",
   "snapshots": 22,
   "dealers_quoted": 6,
   "median_premium_pct": 6.46,
   "lowest_premium_pct": 0.73,
   "spread_pp": 13.5,
   "spot_avg": 57.82
  },
  {
   "date": "2026-10-21",
   "snapshots": 7,
   "dealers_quoted": 6,
   "median_premium_pct": 6.41,
   "lowest_premium_pct": 0.67,
   "spread_pp": 13.66,
   "spot_avg": 57.96
  },
  {
   "date": "2026-10-22",
   "snapshots": 23,
   "dealers_quoted": 7,
   "median_premium_pct": 4.7,
   "lowest_premium_pct": 0.71,
   "spread_pp": 14.29,
   "spot_avg": 55.02
  },
  {
   "date": "2026-10-23",
   "snapshots": 27,
   "dealers_quoted": 6,
   "median_premium_pct": 4.86,
   "lowest_premium_pct": 0.75,
   "spread_pp": 14.63,
   "spot_avg": 54.06
  },
  {
   "date": "2026-10-24",
   "snapshots": 30,
   "dealers_quoted": 7,
   "median_premium_pct": 5.45,
   "lowest_premium_pct": 0.75,
   "spread_pp": 16.13,
   "spot_avg": 54.05
  },
  {
   "date": "2026-10-25",
   "snapshots": 31,
   "dealers_quoted": 8,
   "median_premium_pct": 6.29,
   "lowest_premium_pct": 0.75,
   "spread_pp": 17.63,
   "spot_avg": 54.06
  },
  {
   "date": "2026-10-26",
   "snapshots": 18,
   "dealers_quoted": 8,
   "median_premium_pct": 4.91,
   "lowest_premium_pct": 0.67,
   "spread_pp": 17.47,
   "spot_avg": 54.1
  },
  {
   "date": "2026-10-27",
   "snapshots": 7,
   "dealers_quoted": 7,
   "median_premium_pct": 4.98,
   "lowest_premium_pct": 0.62,
   "spread_pp": 17.34,
   "spot_avg": 54.18
  },
  {
   "date": "2026-10-28",
   "snapshots": 2,
   "dealers_quoted": 5,
   "median_premium_pct": 6.98,
   "lowest_premium_pct": 2.57,
   "spread_pp": 15.57,
   "spot_avg": 54.06
  },
  {
   "date": "2026-10-29",
   "snapshots": 18,
   "dealers_quoted": 8,
   "median_premium_pct": 5.12,
   "lowest_premium_pct": 0.66,
   "spread_pp": 18.05,
   "spot_avg": 52.22
  },
  {
   "date": "2026-10-30",
   "snapshots": 26,
   "dealers_quoted": 7,
   "median_premium_pct": 7.26,
   "lowest_premium_pct": 0.74,
   "spread_pp": 19.16,
   "spot_avg": 49.68
  },
  {
   "date": "2026-10-31",
   "snapshots": 24,
   "dealers_quoted": 7,
   "median_premium_pct": 7.4,
   "lowest_premium_pct": 0.74,
   "spread_pp": 19.51,
   "spot_avg": 49.25
  },
  {
   "date": "2026-11-01",
   "snapshots": 22,
   "dealers_quoted": 7,
   "median_premium_pct": 7.4,
   "lowest_premium_pct": 0.74,
   "spread_pp": 19.51,
   "spot_avg": 49.49
  },
  {
   "date": "2026-11-02",
   "snapshots": 7,
   "dealers_quoted": 7,
   "median_premium_pct": 7.45,
   "lowest_premium_pct": 1.21,
   "spread_pp": 17.95,
   "spot_avg": 50.87
  },
  {
   "date": "2026-11-04",
   "snapshots": 20,
   "dealers_quoted": 7,
   "median_premium_pct": 7.27,
   "lowest_premium_pct": 2.66,
   "spread_pp": 16.1,
   "spot_avg": 52.42
  },
  {
   "date": "2026-11-05",
   "snapshots": 19,
   "dealers_quoted": 7,
   "median_premium_pct": 7.2,
   "lowest_premium_pct": 2.62,
   "spread_pp": 16.24,
   "spot_avg": 52.27
  },
  {
   "date": "2026-11-06",
   "snapshots": 23,
   "dealers_quoted": 7,
   "median_premium_pct": 7.86,
   "lowest_premium_pct": 2.76,
   "spread_pp": 16.34,
   "spot_avg": 52.07
  },
  {
   "date": "2026-11-07",
   "snapshots": 19,
   "dealers_quoted": 7,
   "median_premium_pct": 7.86,
   "lowest_premium_pct": 2.76,
   "spread_pp": 16.4,
   "spot_avg": 52.07
  },
  {
   "date": "2026-11-08",
   "snapshots": 21,
   "dealers_quoted": 7,
   "median_premium_pct": 7.86,
   "lowest_premium_pct": 2.38,
   "spread_pp": 16.79,
   "spot_avg": 52.38
  },
  {
   "date": "2026-11-09",
   "snapshots": 27,
   "dealers_quoted": 7,
   "median_premium_pct": 7.32,
   "lowest_premium_pct": 2.28,
   "spread_pp": 16.2,
   "spot_avg": 53.11
  },
  {
   "date": "2026-11-10",
   "snapshots": 37,
   "dealers_quoted": 7,
   "median_premium_pct": 7.23,
   "lowest_premium_pct": 2.27,
   "spread_pp": 16.55,
   "spot_avg": 52.16
  },
  {
   "date": "2026-11-11",
   "snapshots": 13,
   "dealers_quoted": 7,
   "median_premium_pct": 7.17,
   "lowest_premium_pct": 2.19,
   "spread_pp": 16.28,
   "spot_avg": 53.03
  }
 ],
 "dealers": [
  {
   "dealer": "mintbuilder",
   "snapshots": 440,
   "coverage_pct": 85.3,
   "avg_premium_pct": 1.44,
   "avg_rank": 1.03,
   "vs_market_median_pp": -5.2,
   "times_cheapest": 428,
   "premium_volatility_pp": 0.9,
   "price_changes": 236,
   "dealer_name": "MintBuilder"
  },
  {
   "dealer": "bullionstandard",
   "snapshots": 503,
   "coverage_pct": 97.5,
   "avg_premium_pct": 3.3,
   "avg_rank": 2.26,
   "vs_market_median_pp": -3.36,
   "times_cheapest": 39,
   "premium_volatility_pp": 0.72,
   "price_changes": 332,
   "dealer_name": "Bullion Standard"
  },
  {
   "dealer": "agate",
   "snapshots": 270,
   "coverage_pct": 52.3,
   "avg_premium_pct": 4.7,
   "avg_rank": 2.6,
   "vs_market_median_pp": -2.31,
   "times_cheapest": 24,
   "premium_volatility_pp": 2.55,
   "price_changes": 94,
   "dealer_name": "Agate Metals"
  },
  {
   "dealer": "hero",
   "snapshots": 211,
   "coverage_pct": 40.9,
   "avg_premium_pct": 6.57,
   "avg_rank": 3.67,
   "vs_market_median_pp": 0.59,
   "times_cheapest": 0,
   "premium_volatility_pp": 1.19,
   "price_changes": 17,
   "dealer_name": "Hero Bullion"
  },
  {
   "dealer": "sdbullion",
   "snapshots": 511,
   "coverage_pct": 99.0,
   "avg_premium_pct": 7.53,
   "avg_rank": 3.98,
   "vs_market_median_pp": 0.85,
   "times_cheapest": 23,
   "premium_volatility_pp": 3.39,
   "price_changes": 135,
   "dealer_name": "SD Bullion"
  },
  {
   "dealer": "summit",
   "snapshots": 503,
   "coverage_pct": 97.5,
   "avg_premium_pct": 7.1,
   "avg_rank": 4.03,
   "vs_market_median_pp": 0.43,
   "times_cheapest": 1,
   "premium_volatility_pp": 0.41,
   "price_changes": 321,
   "dealer_name": "Summit Metals"
  },
  {
   "dealer": "kitco",
   "snapshots": 29,
   "coverage_pct": 5.6,
   "avg_premium_pct": 8.45,
   "avg_rank": 4.24,
   "vs_market_median_pp": 0.94,
   "times_cheapest": 1,
   "premium_volatility_pp": 0.12,
   "price_changes": 23,
   "dealer_name": "Kitco"
  },
  {
   "dealer": "apmex",
   "snapshots": 514,
   "coverage_pct": 99.6,
   "avg_premium_pct": 15.4,
   "avg_rank": 5.79,
   "vs_market_median_pp": 8.7,
   "times_cheapest": 0,
   "premium_volatility_pp": 0.83,
   "price_changes": 340,
   "dealer_name": "APMEX"
  },
  {
   "dealer": "atcost",
   "snapshots": 349,
   "coverage_pct": 67.6,
   "avg_premium_pct": 18.97,
   "avg_rank": 6.82,
   "vs_market_median_pp": 11.95,
   "times_cheapest": 0,
   "premium_volatility_pp": 0.67,
   "price_changes": 210,
   "dealer_name": "At Cost Metals"
  }
 ],
 "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."
}