{
  "title": "Cheapest filament per kg",
  "as_of": "2026-10-27",
  "deal_date": "2026-10-27",
  "method": "Rows are copied from the dated deal files and data/price/filament-price-index.json. Today’s table is the current deal file only. PLA+ is not counted as PLA. No ASA price is in the deal files or the price index. No retailer API is called.",
  "materials": {
    "PLA": {
      "today": [
        {
          "material": "PLA",
          "brand": "SUNLU",
          "product": "Matte PLA 10 kg",
          "store": "Amazon",
          "packKg": 10,
          "priceUsd": 92.58,
          "perKgUsd": 9.26,
          "checked": "2026-10-27",
          "source": "deal",
          "onTodaysDeal": true,
          "filamentPath": "/brand/sunlu/pla-matte",
          "linkType": "Amazon Associates",
          "href": "https://www.amazon.com/dp/B0DYXW5GMJ?tag=filamentfacts-20"
        },
        {
          "material": "PLA",
          "brand": "ELEGOO",
          "product": "PLA (RFID) 20 kg",
          "store": "ELEGOO US store",
          "packKg": 20,
          "priceUsd": 195.99,
          "perKgUsd": 9.8,
          "checked": "2026-10-27",
          "source": "deal",
          "onTodaysDeal": true,
          "filamentPath": "/brand/elegoo/pla",
          "linkType": "Awin",
          "href": "https://www.awin1.com/cread.php?awinmid=61127&awinaffid=3124058&ued=https%3A%2F%2Fus.elegoo.com%2Fproducts%2Fpla-rfid-filament-20-kg"
        },
        {
          "material": "PLA",
          "brand": "ELEGOO",
          "product": "PLA Basic 10 kg refill",
          "store": "ELEGOO US store",
          "packKg": 10,
          "priceUsd": 99.99,
          "perKgUsd": 10,
          "checked": "2026-10-27",
          "source": "deal",
          "onTodaysDeal": true,
          "filamentPath": "/brand/elegoo/pla-basic",
          "linkType": "Awin",
          "href": "https://www.awin1.com/cread.php?awinmid=61127&awinaffid=3124058&ued=https%3A%2F%2Fus.elegoo.com%2Fproducts%2Fpla-basic-filament-1-75-mm-colored-10kg"
        }
      ],
      "lowest_today": {
        "material": "PLA",
        "brand": "SUNLU",
        "product": "Matte PLA 10 kg",
        "store": "Amazon",
        "packKg": 10,
        "priceUsd": 92.58,
        "perKgUsd": 9.26,
        "checked": "2026-10-27",
        "source": "deal",
        "onTodaysDeal": true,
        "filamentPath": "/brand/sunlu/pla-matte",
        "linkType": "Amazon Associates",
        "href": "https://www.amazon.com/dp/B0DYXW5GMJ?tag=filamentfacts-20"
      },
      "one_kg_today": [],
      "one_kg_earlier": [
        {
          "material": "PLA",
          "brand": "Bambu Lab",
          "product": "PLA Basic refill, 10-roll bulk tier",
          "store": "Bambu Lab US store",
          "packKg": 1,
          "priceUsd": 11.19,
          "perKgUsd": 11.19,
          "checked": "2026-10-15",
          "source": "deal",
          "onTodaysDeal": false,
          "filamentPath": "/brand/bambu-lab/pla-basic",
          "linkType": "plain",
          "href": "https://us.store.bambulab.com/pages/promotions/filament-bulk-sale"
        },
        {
          "material": "PLA",
          "brand": "Bambu Lab",
          "product": "Bambu Lab PLA Basic Refill 1 kg, Filament Bulk Sale (buy 10 rolls)",
          "store": "Bambu Lab US store",
          "packKg": 1,
          "priceUsd": 11.19,
          "perKgUsd": 11.19,
          "checked": "2026-10-14",
          "source": "price-index",
          "onTodaysDeal": false,
          "filamentPath": null,
          "linkType": "plain",
          "href": "https://us.store.bambulab.com/pages/promotions/filament-bulk-sale"
        },
        {
          "material": "PLA",
          "brand": "Bambu Lab",
          "product": "PLA Basic bulk sale, 10 rolls",
          "store": "Bambu Lab US store",
          "packKg": 1,
          "priceUsd": 11.19,
          "perKgUsd": 11.19,
          "checked": "2026-10-14",
          "source": "deal",
          "onTodaysDeal": false,
          "filamentPath": "/brand/bambu-lab/pla-basic",
          "linkType": "plain",
          "href": "https://us.store.bambulab.com/pages/promotions/filament-bulk-sale"
        }
      ],
      "earlier": [
        {
          "material": "PLA",
          "brand": "ELEGOO",
          "product": "ELEGOO PLA (RFID) Filament 20 kg",
          "store": "ELEGOO US store",
          "packKg": 20,
          "priceUsd": 180.99,
          "perKgUsd": 9.05,
          "checked": "2026-10-17",
          "source": "price-index",
          "onTodaysDeal": false,
          "filamentPath": null,
          "linkType": "Awin",
          "href": "https://www.awin1.com/cread.php?awinmid=61127&awinaffid=3124058&ued=https%3A%2F%2Fus.elegoo.com%2Fproducts%2Fpla-rfid-filament-20-kg"
        },
        {
          "material": "PLA",
          "brand": "ELEGOO",
          "product": "PLA (RFID) 20 kg",
          "store": "ELEGOO US store",
          "packKg": 20,
          "priceUsd": 180.99,
          "perKgUsd": 9.05,
          "checked": "2026-10-17",
          "source": "deal",
          "onTodaysDeal": false,
          "filamentPath": "/brand/elegoo/pla",
          "linkType": "Awin",
          "href": "https://www.awin1.com/cread.php?awinmid=61127&awinaffid=3124058&ued=https%3A%2F%2Fus.elegoo.com%2Fproducts%2Fpla-rfid-filament-20-kg"
        },
        {
          "material": "PLA",
          "brand": "SUNLU",
          "product": "Matte PLA 10 kg",
          "store": "Amazon",
          "packKg": 10,
          "priceUsd": 92.58,
          "perKgUsd": 9.26,
          "checked": "2026-10-26",
          "source": "deal",
          "onTodaysDeal": false,
          "filamentPath": "/brand/sunlu/pla-matte",
          "linkType": "Amazon Associates",
          "href": "https://www.amazon.com/dp/B0DYXW5GMJ?tag=filamentfacts-20"
        },
        {
          "material": "PLA",
          "brand": "SUNLU",
          "product": "Matte PLA 10 kg",
          "store": "Amazon",
          "packKg": 10,
          "priceUsd": 92.58,
          "perKgUsd": 9.26,
          "checked": "2026-10-25",
          "source": "deal",
          "onTodaysDeal": false,
          "filamentPath": "/brand/sunlu/pla-matte",
          "linkType": "Amazon Associates",
          "href": "https://www.amazon.com/dp/B0DYXW5GMJ?tag=filamentfacts-20"
        },
        {
          "material": "PLA",
          "brand": "SUNLU",
          "product": "Matte PLA 10 kg",
          "store": "Amazon",
          "packKg": 10,
          "priceUsd": 92.58,
          "perKgUsd": 9.26,
          "checked": "2026-10-24",
          "source": "deal",
          "onTodaysDeal": false,
          "filamentPath": "/brand/sunlu/pla-matte",
          "linkType": "Amazon Associates",
          "href": "https://www.amazon.com/dp/B0DYXW5GMJ?tag=filamentfacts-20"
        },
        {
          "material": "PLA",
          "brand": "SUNLU",
          "product": "SUNLU Matte PLA 10 kg Bundle (10 x 1 kg, 10 colors)",
          "store": "Amazon",
          "packKg": 10,
          "priceUsd": 92.58,
          "perKgUsd": 9.26,
          "checked": "2026-10-24",
          "source": "price-index",
          "onTodaysDeal": false,
          "filamentPath": null,
          "linkType": "Amazon Associates",
          "href": null
        },
        {
          "material": "PLA",
          "brand": "SUNLU",
          "product": "Matte PLA 10 kg",
          "store": "Amazon",
          "packKg": 10,
          "priceUsd": 92.58,
          "perKgUsd": 9.26,
          "checked": "2026-10-23",
          "source": "deal",
          "onTodaysDeal": false,
          "filamentPath": "/brand/sunlu/pla-matte",
          "linkType": "Amazon Associates",
          "href": "https://www.amazon.com/dp/B0DYXW5GMJ?tag=filamentfacts-20"
        },
        {
          "material": "PLA",
          "brand": "SUNLU",
          "product": "SUNLU Matte PLA 10 kg Bundle (10 x 1 kg, 10 colors)",
          "store": "Amazon",
          "packKg": 10,
          "priceUsd": 92.58,
          "perKgUsd": 9.26,
          "checked": "2026-10-23",
          "source": "price-index",
          "onTodaysDeal": false,
          "filamentPath": null,
          "linkType": "Amazon Associates",
          "href": null
        },
        {
          "material": "PLA",
          "brand": "SUNLU",
          "product": "Matte PLA 10 kg",
          "store": "Amazon",
          "packKg": 10,
          "priceUsd": 92.58,
          "perKgUsd": 9.26,
          "checked": "2026-10-22",
          "source": "deal",
          "onTodaysDeal": false,
          "filamentPath": "/brand/sunlu/pla-matte",
          "linkType": "Amazon Associates",
          "href": "https://www.amazon.com/dp/B0DYXW5GMJ?tag=filamentfacts-20"
        },
        {
          "material": "PLA",
          "brand": "SUNLU",
          "product": "SUNLU Matte PLA 10 kg Bundle (10 x 1 kg, 10 colors)",
          "store": "Amazon",
          "packKg": 10,
          "priceUsd": 92.58,
          "perKgUsd": 9.26,
          "checked": "2026-10-22",
          "source": "price-index",
          "onTodaysDeal": false,
          "filamentPath": null,
          "linkType": "Amazon Associates",
          "href": null
        },
        {
          "material": "PLA",
          "brand": "SUNLU",
          "product": "Matte PLA 10 kg",
          "store": "Amazon",
          "packKg": 10,
          "priceUsd": 92.58,
          "perKgUsd": 9.26,
          "checked": "2026-10-21",
          "source": "deal",
          "onTodaysDeal": false,
          "filamentPath": "/brand/sunlu/pla-matte",
          "linkType": "Amazon Associates",
          "href": "https://www.amazon.com/dp/B0DYXW5GMJ?tag=filamentfacts-20"
        },
        {
          "material": "PLA",
          "brand": "SUNLU",
          "product": "SUNLU Matte PLA 10 kg Bundle (10 x 1 kg, 10 colors)",
          "store": "Amazon",
          "packKg": 10,
          "priceUsd": 92.58,
          "perKgUsd": 9.26,
          "checked": "2026-10-21",
          "source": "price-index",
          "onTodaysDeal": false,
          "filamentPath": null,
          "linkType": "Amazon Associates",
          "href": null
        },
        {
          "material": "PLA",
          "brand": "SUNLU",
          "product": "Matte PLA 10 kg",
          "store": "Amazon",
          "packKg": 10,
          "priceUsd": 92.58,
          "perKgUsd": 9.26,
          "checked": "2026-10-20",
          "source": "deal",
          "onTodaysDeal": false,
          "filamentPath": "/brand/sunlu/pla-matte",
          "linkType": "Amazon Associates",
          "href": "https://www.amazon.com/dp/B0DYXW5GMJ?tag=filamentfacts-20"
        },
        {
          "material": "PLA",
          "brand": "SUNLU",
          "product": "SUNLU Matte PLA 10 kg Bundle (10 x 1 kg, 10 colors)",
          "store": "Amazon",
          "packKg": 10,
          "priceUsd": 92.58,
          "perKgUsd": 9.26,
          "checked": "2026-10-20",
          "source": "price-index",
          "onTodaysDeal": false,
          "filamentPath": null,
          "linkType": "Amazon Associates",
          "href": null
        },
        {
          "material": "PLA",
          "brand": "SUNLU",
          "product": "Matte PLA 10 kg",
          "store": "Amazon",
          "packKg": 10,
          "priceUsd": 92.58,
          "perKgUsd": 9.26,
          "checked": "2026-10-19",
          "source": "deal",
          "onTodaysDeal": false,
          "filamentPath": "/brand/sunlu/pla-matte",
          "linkType": "Amazon Associates",
          "href": "https://www.amazon.com/dp/B0DYXW5GMJ?tag=filamentfacts-20"
        },
        {
          "material": "PLA",
          "brand": "SUNLU",
          "product": "SUNLU Matte PLA 10 kg Bundle (10 x 1 kg, 10 colors)",
          "store": "Amazon",
          "packKg": 10,
          "priceUsd": 92.58,
          "perKgUsd": 9.26,
          "checked": "2026-10-19",
          "source": "price-index",
          "onTodaysDeal": false,
          "filamentPath": null,
          "linkType": "Amazon Associates",
          "href": null
        },
        {
          "material": "PLA",
          "brand": "SUNLU",
          "product": "Matte PLA 10 kg",
          "store": "Amazon",
          "packKg": 10,
          "priceUsd": 92.58,
          "perKgUsd": 9.26,
          "checked": "2026-10-18",
          "source": "deal",
          "onTodaysDeal": false,
          "filamentPath": "/brand/sunlu/pla-matte",
          "linkType": "Amazon Associates",
          "href": "https://www.amazon.com/dp/B0DYXW5GMJ?tag=filamentfacts-20"
        },
        {
          "material": "PLA",
          "brand": "SUNLU",
          "product": "SUNLU Matte PLA 10 kg Bundle (10 x 1 kg, 10 colors)",
          "store": "Amazon",
          "packKg": 10,
          "priceUsd": 92.58,
          "perKgUsd": 9.26,
          "checked": "2026-10-18",
          "source": "price-index",
          "onTodaysDeal": false,
          "filamentPath": null,
          "linkType": "Amazon Associates",
          "href": null
        },
        {
          "material": "PLA",
          "brand": "Anycubic",
          "product": "Anycubic PLA Basic 8 kg bundle",
          "store": "Anycubic store",
          "packKg": 8,
          "priceUsd": 78,
          "perKgUsd": 9.75,
          "checked": "2026-10-14",
          "source": "price-index",
          "onTodaysDeal": false,
          "filamentPath": null,
          "linkType": "plain",
          "href": "https://store.anycubic.com/products/pla-4kg"
        },
        {
          "material": "PLA",
          "brand": "Anycubic",
          "product": "PLA Basic 8 kg bundle",
          "store": "Anycubic store",
          "packKg": 8,
          "priceUsd": 78,
          "perKgUsd": 9.75,
          "checked": "2026-10-14",
          "source": "deal",
          "onTodaysDeal": false,
          "filamentPath": "/brand/anycubic/pla-basic",
          "linkType": "plain",
          "href": "https://store.anycubic.com/products/pla-4kg"
        },
        {
          "material": "PLA",
          "brand": "ELEGOO",
          "product": "PLA (RFID) 20 kg",
          "store": "ELEGOO US store",
          "packKg": 20,
          "priceUsd": 195.99,
          "perKgUsd": 9.8,
          "checked": "2026-10-26",
          "source": "deal",
          "onTodaysDeal": false,
          "filamentPath": "/brand/elegoo/pla",
          "linkType": "Awin",
          "href": "https://www.awin1.com/cread.php?awinmid=61127&awinaffid=3124058&ued=https%3A%2F%2Fus.elegoo.com%2Fproducts%2Fpla-rfid-filament-20-kg"
        },
        {
          "material": "PLA",
          "brand": "ELEGOO",
          "product": "PLA (RFID) 20 kg",
          "store": "ELEGOO US store",
          "packKg": 20,
          "priceUsd": 195.99,
          "perKgUsd": 9.8,
          "checked": "2026-10-25",
          "source": "deal",
          "onTodaysDeal": false,
          "filamentPath": "/brand/elegoo/pla",
          "linkType": "Awin",
          "href": "https://www.awin1.com/cread.php?awinmid=61127&awinaffid=3124058&ued=https%3A%2F%2Fus.elegoo.com%2Fproducts%2Fpla-rfid-filament-20-kg"
        },
        {
          "material": "PLA",
          "brand": "ELEGOO",
          "product": "ELEGOO PLA (RFID) Filament 20 kg",
          "store": "ELEGOO US store",
          "packKg": 20,
          "priceUsd": 195.99,
          "perKgUsd": 9.8,
          "checked": "2026-10-24",
          "source": "price-index",
          "onTodaysDeal": false,
          "filamentPath": null,
          "linkType": "Awin",
          "href": "https://www.awin1.com/cread.php?awinmid=61127&awinaffid=3124058&ued=https%3A%2F%2Fus.elegoo.com%2Fproducts%2Fpla-rfid-filament-20-kg"
        },
        {
          "material": "PLA",
          "brand": "ELEGOO",
          "product": "PLA (RFID) 20 kg",
          "store": "ELEGOO US store",
          "packKg": 20,
          "priceUsd": 195.99,
          "perKgUsd": 9.8,
          "checked": "2026-10-24",
          "source": "deal",
          "onTodaysDeal": false,
          "filamentPath": "/brand/elegoo/pla",
          "linkType": "Awin",
          "href": "https://www.awin1.com/cread.php?awinmid=61127&awinaffid=3124058&ued=https%3A%2F%2Fus.elegoo.com%2Fproducts%2Fpla-rfid-filament-20-kg"
        },
        {
          "material": "PLA",
          "brand": "ELEGOO",
          "product": "ELEGOO PLA (RFID) Filament 20 kg",
          "store": "ELEGOO US store",
          "packKg": 20,
          "priceUsd": 195.99,
          "perKgUsd": 9.8,
          "checked": "2026-10-23",
          "source": "price-index",
          "onTodaysDeal": false,
          "filamentPath": null,
          "linkType": "Awin",
          "href": "https://www.awin1.com/cread.php?awinmid=61127&awinaffid=3124058&ued=https%3A%2F%2Fus.elegoo.com%2Fproducts%2Fpla-rfid-filament-20-kg"
        },
        {
          "material": "PLA",
          "brand": "ELEGOO",
          "product": "PLA (RFID) 20 kg",
          "store": "ELEGOO US store",
          "packKg": 20,
          "priceUsd": 195.99,
          "perKgUsd": 9.8,
          "checked": "2026-10-23",
          "source": "deal",
          "onTodaysDeal": false,
          "filamentPath": "/brand/elegoo/pla",
          "linkType": "Awin",
          "href": "https://www.awin1.com/cread.php?awinmid=61127&awinaffid=3124058&ued=https%3A%2F%2Fus.elegoo.com%2Fproducts%2Fpla-rfid-filament-20-kg"
        },
        {
          "material": "PLA",
          "brand": "ELEGOO",
          "product": "ELEGOO PLA (RFID) Filament 20 kg",
          "store": "ELEGOO US store",
          "packKg": 20,
          "priceUsd": 195.99,
          "perKgUsd": 9.8,
          "checked": "2026-10-22",
          "source": "price-index",
          "onTodaysDeal": false,
          "filamentPath": null,
          "linkType": "Awin",
          "href": "https://www.awin1.com/cread.php?awinmid=61127&awinaffid=3124058&ued=https%3A%2F%2Fus.elegoo.com%2Fproducts%2Fpla-rfid-filament-20-kg"
        },
        {
          "material": "PLA",
          "brand": "ELEGOO",
          "product": "PLA (RFID) 20 kg",
          "store": "ELEGOO US store",
          "packKg": 20,
          "priceUsd": 195.99,
          "perKgUsd": 9.8,
          "checked": "2026-10-22",
          "source": "deal",
          "onTodaysDeal": false,
          "filamentPath": "/brand/elegoo/pla",
          "linkType": "Awin",
          "href": "https://www.awin1.com/cread.php?awinmid=61127&awinaffid=3124058&ued=https%3A%2F%2Fus.elegoo.com%2Fproducts%2Fpla-rfid-filament-20-kg"
        },
        {
          "material": "PLA",
          "brand": "ELEGOO",
          "product": "ELEGOO PLA (RFID) Filament 20 kg",
          "store": "ELEGOO US store",
          "packKg": 20,
          "priceUsd": 195.99,
          "perKgUsd": 9.8,
          "checked": "2026-10-21",
          "source": "price-index",
          "onTodaysDeal": false,
          "filamentPath": null,
          "linkType": "Awin",
          "href": "https://www.awin1.com/cread.php?awinmid=61127&awinaffid=3124058&ued=https%3A%2F%2Fus.elegoo.com%2Fproducts%2Fpla-rfid-filament-20-kg"
        },
        {
          "material": "PLA",
          "brand": "ELEGOO",
          "product": "PLA (RFID) 20 kg",
          "store": "ELEGOO US store",
          "packKg": 20,
          "priceUsd": 195.99,
          "perKgUsd": 9.8,
          "checked": "2026-10-21",
          "source": "deal",
          "onTodaysDeal": false,
          "filamentPath": "/brand/elegoo/pla",
          "linkType": "Awin",
          "href": "https://www.awin1.com/cread.php?awinmid=61127&awinaffid=3124058&ued=https%3A%2F%2Fus.elegoo.com%2Fproducts%2Fpla-rfid-filament-20-kg"
        },
        {
          "material": "PLA",
          "brand": "ELEGOO",
          "product": "ELEGOO PLA (RFID) Filament 20 kg",
          "store": "ELEGOO US store",
          "packKg": 20,
          "priceUsd": 195.99,
          "perKgUsd": 9.8,
          "checked": "2026-10-20",
          "source": "price-index",
          "onTodaysDeal": false,
          "filamentPath": null,
          "linkType": "Awin",
          "href": "https://www.awin1.com/cread.php?awinmid=61127&awinaffid=3124058&ued=https%3A%2F%2Fus.elegoo.com%2Fproducts%2Fpla-rfid-filament-20-kg"
        },
        {
          "material": "PLA",
          "brand": "ELEGOO",
          "product": "PLA (RFID) 20 kg",
          "store": "ELEGOO US store",
          "packKg": 20,
          "priceUsd": 195.99,
          "perKgUsd": 9.8,
          "checked": "2026-10-20",
          "source": "deal",
          "onTodaysDeal": false,
          "filamentPath": "/brand/elegoo/pla",
          "linkType": "Awin",
          "href": "https://www.awin1.com/cread.php?awinmid=61127&awinaffid=3124058&ued=https%3A%2F%2Fus.elegoo.com%2Fproducts%2Fpla-rfid-filament-20-kg"
        },
        {
          "material": "PLA",
          "brand": "ELEGOO",
          "product": "ELEGOO PLA (RFID) Filament 20 kg",
          "store": "ELEGOO US store",
          "packKg": 20,
          "priceUsd": 195.99,
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