{
  "api_version": "1",
  "generated_at": "2026-10-28T00:05:39.707Z",
  "kind": "site-report",
  "canonical_url": "https://aislesinventory.com/reports/2026-10-27/chicago",
  "md_url": "https://aislesinventory.com/api/md/reports/2026-10-27/chicago",
  "title": "Chicago, IL store inventory report, October 27, 2026 | Aisles",
  "description": "Retailer-reported availability and prices at 37 stores in the Chicago, IL area on October 27, 2026: in-stock rates by category and store, hardest products to find, and price differences between chains.",
  "h1": "Chicago, IL store inventory report: October 27, 2026",
  "breadcrumbs": [
    {
      "name": "Store inventory",
      "url": "https://aislesinventory.com/"
    },
    {
      "name": "Reports",
      "url": "https://aislesinventory.com/reports"
    },
    {
      "name": "October 27, 2026",
      "url": "https://aislesinventory.com/reports/2026-10-27"
    },
    {
      "name": "Chicago, IL",
      "url": "https://aislesinventory.com/reports/2026-10-27/chicago"
    }
  ],
  "updated": "2026-10-27T09:27:53.698Z",
  "updated_label": "Updated Oct 27, 2026",
  "summary": "On October 27, 2026: Retailers reported 82.4% of 8,699 store-product listings with a known status in stock, across 37 stores in the Chicago, IL area. Milk was the hardest category to find (63.3% in stock); Paper towels was the easiest (95.8%). On identical products, Food 4 Less prices averaged 9.6% lower than Mariano’s in Chicago, IL (177 products compared).",
  "subtitle": "37 stores · 323 products",
  "stats": [
    {
      "label": "Stores checked",
      "value": "37"
    },
    {
      "label": "Products",
      "value": "323"
    },
    {
      "label": "In-stock rate",
      "value": "82.4%"
    },
    {
      "label": "Out of stock",
      "value": "1,530"
    },
    {
      "label": "Status not reported",
      "value": "609"
    }
  ],
  "facts": [],
  "notes": [
    "Each retailer reports its own stock. Aisles checks every store about once a day, against that store’s own inventory record. A listing that is not checked again in time shows as unknown, never as in stock. This is a check of the store’s system, not a person at the shelf, so items can sell out after the check."
  ],
  "actions": [],
  "sections": [
    {
      "id": "findings",
      "title": "Key findings",
      "type": "text",
      "paragraphs": [
        "Retailers reported 82.4% of 8,699 store-product listings with a known status in stock, across 37 stores in the Chicago, IL area.",
        "Milk was the hardest category to find (63.3% in stock); Paper towels was the easiest (95.8%).",
        "On identical products, Food 4 Less prices averaged 9.6% lower than Mariano’s in Chicago, IL (177 products compared)."
      ]
    },
    {
      "id": "categories",
      "title": "In-stock rate by category",
      "type": "table",
      "columns": [
        "Category",
        "Listings with a status",
        "In-stock rate",
        "Out of stock"
      ],
      "rows": [
        [
          "Milk",
          "637",
          "63.3%",
          "234"
        ],
        [
          "Toothpaste",
          "792",
          "78.4%",
          "171"
        ],
        [
          "Cold and flu",
          "865",
          "79.0%",
          "182"
        ],
        [
          "Diapers",
          "1,129",
          "80.4%",
          "221"
        ],
        [
          "Baby formula",
          "932",
          "80.8%",
          "179"
        ],
        [
          "Batteries",
          "752",
          "82.2%",
          "134"
        ],
        [
          "Eggs",
          "546",
          "82.4%",
          "96"
        ],
        [
          "Coffee",
          "790",
          "84.7%",
          "121"
        ],
        [
          "Bread",
          "242",
          "85.1%",
          "36"
        ],
        [
          "Dog food",
          "837",
          "88.3%",
          "98"
        ],
        [
          "Pain relief",
          "599",
          "94.3%",
          "34"
        ],
        [
          "Paper towels",
          "578",
          "95.8%",
          "24"
        ]
      ]
    },
    {
      "id": "hardest",
      "title": "Lowest in-stock rates among the stores Aisles covers",
      "type": "table",
      "columns": [
        "Product",
        "Category",
        "Listings with a status",
        "In-stock rate"
      ],
      "rows": [
        [
          {
            "text": "Crest Toothpaste Pro-Health Clean Mint",
            "url": "https://aislesinventory.com/chicago/products/crest-toothpaste-pro-health-clean-mint-0003077205885"
          },
          "Toothpaste",
          "37",
          "0.0%"
        ],
        [
          {
            "text": "Simple Truth Natural Cage Free Large Brown Eggs",
            "url": "https://aislesinventory.com/chicago/products/simple-truth-natural-cage-free-large-brown-eggs-0001111087374"
          },
          "Eggs",
          "9",
          "0.0%"
        ],
        [
          {
            "text": "Millie Moon Luxury Diapers, Size 3, 88 Count",
            "url": "https://aislesinventory.com/chicago/products/millie-moon-luxury-diapers-size-3-88-count-0081000541426"
          },
          "Diapers",
          "8",
          "0.0%"
        ],
        [
          {
            "text": "Vicks DayQuil & NyQuil Kids Honey Cold & Cough + Congestion Liquid Combo Pack",
            "url": "https://aislesinventory.com/chicago/products/vicks-dayquil-nyquil-kids-honey-cold-cough-congestion-liquid-combo-0032390004490"
          },
          "Cold and flu",
          "8",
          "0.0%"
        ],
        [
          {
            "text": "Folgers Classic Roast Ground Coffee, Medium Roast",
            "url": "https://aislesinventory.com/chicago/products/folgers-classic-roast-ground-coffee-medium-roast-0002550030418"
          },
          "Coffee",
          "8",
          "0.0%"
        ],
        [
          {
            "text": "Simple Truth Natural Cage Free Grade AA Large Brown Eggs",
            "url": "https://aislesinventory.com/chicago/products/simple-truth-natural-cage-free-grade-aa-large-brown-eggs-0001111079769"
          },
          "Eggs",
          "6",
          "0.0%"
        ],
        [
          {
            "text": "Wonder Classic White Bread",
            "url": "https://aislesinventory.com/chicago/products/wonder-classic-white-bread-0007225001137"
          },
          "Bread",
          "5",
          "0.0%"
        ],
        [
          {
            "text": "Kroger Grade AA Large White Eggs",
            "url": "https://aislesinventory.com/chicago/products/kroger-grade-aa-large-white-eggs-0001111085503"
          },
          "Eggs",
          "5",
          "0.0%"
        ],
        [
          {
            "text": "Advil Pain Reliever and Fever Reducer, Ibuprofen 200 mg for Pain Relief",
            "url": "https://aislesinventory.com/chicago/products/advil-pain-reliever-and-fever-reducer-ibuprofen-200-mg-for-pain-relief-0030573015110"
          },
          "Pain relief",
          "5",
          "0.0%"
        ],
        [
          {
            "text": "Simple Truth Organic 2% Reduced Fat Milk Gallon",
            "url": "https://aislesinventory.com/chicago/products/simple-truth-organic-2-reduced-fat-milk-gallon-0001111042902"
          },
          "Milk",
          "29",
          "3.4%"
        ],
        [
          {
            "text": "Colgate Cavity Protection Toothpaste with Fluoride and Mint Flavor",
            "url": "https://aislesinventory.com/chicago/products/colgate-cavity-protection-toothpaste-with-fluoride-and-mint-flavor-0003500051088"
          },
          "Toothpaste",
          "29",
          "3.4%"
        ],
        [
          {
            "text": "Simple Truth Organic Vitamin D Whole Milk Gallon",
            "url": "https://aislesinventory.com/chicago/products/simple-truth-organic-vitamin-d-whole-milk-gallon-0001111042908"
          },
          "Milk",
          "29",
          "6.9%"
        ],
        [
          {
            "text": "Kroger Grade A Large White Eggs",
            "url": "https://aislesinventory.com/chicago/products/kroger-grade-a-large-white-eggs-0001111060914"
          },
          "Eggs",
          "31",
          "9.7%"
        ],
        [
          {
            "text": "Kroger Children's Cold and Cough Grape Flavor Liquid Cold Medicine",
            "url": "https://aislesinventory.com/chicago/products/kroger-childrens-cold-and-cough-grape-flavor-liquid-cold-medicine-0004126033610"
          },
          "Cold and flu",
          "37",
          "10.8%"
        ],
        [
          {
            "text": "Huggies Overnites Size 5 Nighttime Baby Diapers (27+ lbs)",
            "url": "https://aislesinventory.com/chicago/products/huggies-overnites-size-5-nighttime-baby-diapers-27-lbs-0003600053599"
          },
          "Diapers",
          "37",
          "10.8%"
        ]
      ]
    },
    {
      "id": "chain-prices",
      "title": "Price differences between chains on identical products",
      "type": "table",
      "columns": [
        "City",
        "Lower-priced chain",
        "Compared with",
        "Identical products",
        "Average price difference",
        "Same price"
      ],
      "rows": [
        [
          "Chicago, IL",
          "Food 4 Less",
          "Mariano’s",
          "177",
          "9.6% lower",
          "59"
        ]
      ]
    },
    {
      "id": "scope",
      "title": "What this report covers",
      "type": "text",
      "paragraphs": [
        "Grocery stores only: 37 stores in 1 city with qualifying records on this date. Stores inside shopping malls are not part of daily reports, so a report covers fewer stores and cities than the site lists. Each store reports a curated assortment of commonly bought products, not its full catalog, so \"lowest in-stock rates\" describe the stores Aisles covers, not every store in the area."
      ]
    },
    {
      "id": "stores",
      "title": "In-stock rate by store",
      "type": "table",
      "columns": [
        "Store",
        "Chain",
        "Listings with a status",
        "In-stock rate",
        "Out of stock"
      ],
      "rows": [
        [
          {
            "text": "Mariano’s Wheaton",
            "url": "https://aislesinventory.com/chicago/wheaton/marianos-wheaton-wheaton-53100513"
          },
          "Mariano’s",
          "244",
          "90.6%",
          "23"
        ],
        [
          {
            "text": "Mariano’s Lombard",
            "url": "https://aislesinventory.com/chicago/lombard/marianos-lombard-lombard-53100543"
          },
          "Mariano’s",
          "241",
          "89.6%",
          "25"
        ],
        [
          {
            "text": "Mariano’s Westmont",
            "url": "https://aislesinventory.com/chicago/westmont/marianos-westmont-westmont-53100536"
          },
          "Mariano’s",
          "241",
          "89.6%",
          "25"
        ],
        [
          {
            "text": "Mariano’s Evergreen Park",
            "url": "https://aislesinventory.com/chicago/evergreen-park/marianos-evergreen-park-evergreen-park-53100530"
          },
          "Mariano’s",
          "238",
          "89.5%",
          "25"
        ],
        [
          {
            "text": "Mariano’s Des Plaines",
            "url": "https://aislesinventory.com/chicago/des-plaines/marianos-des-plaines-des-plaines-53100541"
          },
          "Mariano’s",
          "251",
          "89.2%",
          "27"
        ],
        [
          {
            "text": "Mariano’s Elmhurst",
            "url": "https://aislesinventory.com/chicago/elmhurst/marianos-elmhurst-elmhurst-53100511"
          },
          "Mariano’s",
          "239",
          "88.7%",
          "27"
        ],
        [
          {
            "text": "Mariano’s Northbrook",
            "url": "https://aislesinventory.com/chicago/northbrook/marianos-northbrook-northbrook-53100533"
          },
          "Mariano’s",
          "242",
          "88.0%",
          "29"
        ],
        [
          {
            "text": "Mariano’s Park Ridge",
            "url": "https://aislesinventory.com/chicago/park-ridge/marianos-park-ridge-park-ridge-53100525"
          },
          "Mariano’s",
          "243",
          "87.7%",
          "30"
        ],
        [
          {
            "text": "Mariano’s Harwood Heights",
            "url": "https://aislesinventory.com/chicago/harwood-heights/marianos-harwood-heights-harwood-heights-53100510"
          },
          "Mariano’s",
          "242",
          "87.6%",
          "30"
        ],
        [
          {
            "text": "Mariano’s Orland Park",
            "url": "https://aislesinventory.com/chicago/orland-park/marianos-orland-park-orland-park-53100535"
          },
          "Mariano’s",
          "241",
          "87.6%",
          "30"
        ],
        [
          {
            "text": "Mariano’s Westchester",
            "url": "https://aislesinventory.com/chicago/westchester/marianos-westchester-westchester-53100528"
          },
          "Mariano’s",
          "241",
          "87.6%",
          "30"
        ],
        [
          {
            "text": "Mariano’s Glenview East",
            "url": "https://aislesinventory.com/chicago/glenview/marianos-glenview-east-glenview-53100518"
          },
          "Mariano’s",
          "243",
          "87.2%",
          "31"
        ],
        [
          {
            "text": "Mariano’s Oak Lawn",
            "url": "https://aislesinventory.com/chicago/oak-lawn/marianos-oak-lawn-oak-lawn-53100517"
          },
          "Mariano’s",
          "239",
          "86.6%",
          "32"
        ],
        [
          {
            "text": "Mariano’s Bucktown",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-bucktown-chicago-53100516"
          },
          "Mariano’s",
          "241",
          "85.9%",
          "34"
        ],
        [
          {
            "text": "Mariano’s Bronzeville",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-bronzeville-chicago-53100539"
          },
          "Mariano’s",
          "239",
          "85.8%",
          "34"
        ],
        [
          {
            "text": "Mariano’s Western Springs",
            "url": "https://aislesinventory.com/chicago/western-springs/marianos-western-springs-western-springs-53100529"
          },
          "Mariano’s",
          "244",
          "85.7%",
          "35"
        ],
        [
          {
            "text": "Mariano’s Jefferson Park",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-jefferson-park-chicago-53100507"
          },
          "Mariano’s",
          "243",
          "84.4%",
          "38"
        ],
        [
          {
            "text": "Mariano’s Arlington Heights",
            "url": "https://aislesinventory.com/chicago/arlington-heights/marianos-arlington-heights-arlington-heights-53100501"
          },
          "Mariano’s",
          "244",
          "84.0%",
          "39"
        ],
        [
          {
            "text": "Mariano’s Bridgeport",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-bridgeport-chicago-53100520"
          },
          "Mariano’s",
          "245",
          "83.3%",
          "41"
        ],
        [
          {
            "text": "Mariano’s New City",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-new-city-chicago-53100534"
          },
          "Mariano’s",
          "243",
          "82.3%",
          "43"
        ],
        [
          {
            "text": "Mariano’s Ravenswood",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-ravenswood-chicago-53100515"
          },
          "Mariano’s",
          "242",
          "81.0%",
          "46"
        ],
        [
          {
            "text": "Mariano’s Skokie",
            "url": "https://aislesinventory.com/chicago/skokie/marianos-skokie-skokie-53100531"
          },
          "Mariano’s",
          "242",
          "81.0%",
          "46"
        ],
        [
          {
            "text": "Mariano’s South Loop",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-south-loop-chicago-53100512"
          },
          "Mariano’s",
          "241",
          "80.9%",
          "46"
        ],
        [
          {
            "text": "Food 4 Less Dolton",
            "url": "https://aislesinventory.com/chicago/dolton/food-4-less-dolton-dolton-70800566"
          },
          "Food 4 Less",
          "210",
          "80.5%",
          "41"
        ],
        [
          {
            "text": "Food 4 Less Main Street Shopping Center",
            "url": "https://aislesinventory.com/chicago/evanston/food-4-less-main-street-shopping-center-evanston-70800558"
          },
          "Food 4 Less",
          "214",
          "80.4%",
          "42"
        ],
        [
          {
            "text": "Mariano’s West Loop",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-west-loop-chicago-53100508"
          },
          "Mariano’s",
          "237",
          "78.9%",
          "50"
        ],
        [
          {
            "text": "Food 4 Less Hammond Shopping Center",
            "url": "https://aislesinventory.com/chicago/hammond/food-4-less-hammond-shopping-center-hammond-70800787"
          },
          "Food 4 Less",
          "212",
          "78.8%",
          "45"
        ],
        [
          {
            "text": "Food 4 Less Alsip",
            "url": "https://aislesinventory.com/chicago/alsip/food-4-less-alsip-alsip-70800553"
          },
          "Food 4 Less",
          "208",
          "78.4%",
          "45"
        ],
        [
          {
            "text": "Food 4 Less 31st Cicero",
            "url": "https://aislesinventory.com/chicago/cicero/food-4-less-31st-cicero-cicero-70800551"
          },
          "Food 4 Less",
          "214",
          "77.6%",
          "48"
        ],
        [
          {
            "text": "Mariano’s 3030 Broadway",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-3030-broadway-chicago-53100538"
          },
          "Mariano’s",
          "235",
          "77.0%",
          "54"
        ],
        [
          {
            "text": "Food 4 Less Englewood Plaza",
            "url": "https://aislesinventory.com/chicago/chicago/food-4-less-englewood-plaza-chicago-70800552"
          },
          "Food 4 Less",
          "210",
          "76.7%",
          "49"
        ],
        [
          {
            "text": "Mariano’s Edgewater",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-edgewater-chicago-53100522"
          },
          "Mariano’s",
          "237",
          "75.9%",
          "57"
        ],
        [
          {
            "text": "Food 4 Less 87th Dan Ryan",
            "url": "https://aislesinventory.com/chicago/chicago/food-4-less-87th-dan-ryan-chicago-70800570"
          },
          "Food 4 Less",
          "212",
          "75.9%",
          "51"
        ],
        [
          {
            "text": "Mariano’s Roscoe Village",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-roscoe-village-chicago-53100504"
          },
          "Mariano’s",
          "239",
          "74.1%",
          "62"
        ],
        [
          {
            "text": "Food 4 Less Washington Square",
            "url": "https://aislesinventory.com/chicago/chicago/food-4-less-washington-square-chicago-70800567"
          },
          "Food 4 Less",
          "217",
          "72.4%",
          "60"
        ],
        [
          {
            "text": "Mariano’s Lakeshore East",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-lakeshore-east-chicago-53100503"
          },
          "Mariano’s",
          "237",
          "71.3%",
          "68"
        ],
        [
          {
            "text": "Mariano’s Ukrainian Village",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-ukrainian-village-chicago-53100527"
          },
          "Mariano’s",
          "248",
          "62.9%",
          "92"
        ]
      ]
    },
    {
      "id": "more",
      "title": "More",
      "type": "links",
      "inline": true,
      "items": [
        {
          "name": "All cities on October 27, 2026",
          "url": "https://aislesinventory.com/reports/2026-10-27"
        },
        {
          "name": "Chicago, IL store inventory",
          "url": "https://aislesinventory.com/chicago"
        },
        {
          "name": "All reports",
          "url": "https://aislesinventory.com/reports"
        }
      ]
    },
    {
      "id": "method",
      "title": "How this report was made",
      "type": "text",
      "paragraphs": [
        "Snapshot: for every store and product, the most recent retailer-reported observation retrieved by the end of the report date (UTC). Observations past their freshness window count as \"status unknown\".",
        "In-stock rate: listings reported in stock or low stock, divided by listings with a reported status (in stock, low stock or out of stock). Listings whose status the retailer did not report are excluded from the rate and counted separately.",
        "Prices: store prices as reported by the retailer, including any promotion it reported. City and chain comparisons use only current readings with a price, take the median store price per product, and compare only identical products (the same Kroger product ID, which is the item’s UPC, so package sizes match). A chain pair is shown only when 10 or more products were priced at both.",
        "Aisles verified them against each store’s own records at the time shown (not an in-person shelf count). A store’s own system can occasionally be wrong or delayed."
      ]
    }
  ],
  "faq": [
    {
      "q": "What was hardest to find in the Chicago, IL area on October 27, 2026?",
      "a": "Milk: 63.3% of listings with a reported status were in stock."
    },
    {
      "q": "Which chain was cheaper in the Chicago, IL area?",
      "a": "Food 4 Less averaged 9.6% lower prices than Mariano’s across 177 identical products on October 27, 2026."
    }
  ],
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