{
  "api_version": "1",
  "generated_at": "2026-10-18T15:23:39.615Z",
  "kind": "site-report",
  "canonical_url": "https://aislesinventory.com/reports/2026-10-17/chicago",
  "md_url": "https://aislesinventory.com/api/md/reports/2026-10-17/chicago",
  "title": "Chicago, IL store inventory report, October 17, 2026 | Aisles",
  "description": "Retailer-reported availability and prices at 37 stores in the Chicago, IL area on October 17, 2026: in-stock rates by category and store, hardest products to find, and price differences between chains.",
  "h1": "Chicago, IL store inventory report: October 17, 2026",
  "breadcrumbs": [
    {
      "name": "Store inventory",
      "url": "https://aislesinventory.com/"
    },
    {
      "name": "Reports",
      "url": "https://aislesinventory.com/reports"
    },
    {
      "name": "October 17, 2026",
      "url": "https://aislesinventory.com/reports/2026-10-17"
    },
    {
      "name": "Chicago, IL",
      "url": "https://aislesinventory.com/reports/2026-10-17/chicago"
    }
  ],
  "updated": "2026-10-17T13:27:30.793Z",
  "updated_label": "Updated Oct 17, 2026",
  "summary": "On October 17, 2026: Retailers reported 82.6% of 8,527 store-product listings with a known status in stock, across 37 stores in the Chicago, IL area. Milk was the hardest category to find (70.9% in stock); Paper towels was the easiest (95.0%). On identical products, Food 4 Less prices averaged 9.6% lower than Mariano’s in Chicago, IL (158 products compared).",
  "subtitle": "37 stores · 322 products",
  "stats": [
    {
      "label": "Stores checked",
      "value": "37"
    },
    {
      "label": "Products",
      "value": "322"
    },
    {
      "label": "In-stock rate",
      "value": "82.6%"
    },
    {
      "label": "Out of stock",
      "value": "1,487"
    },
    {
      "label": "Status not reported",
      "value": "365"
    }
  ],
  "facts": [],
  "notes": [
    "Availability is reported by each retailer and checked by Aisles about once a day. It can change at any time, and Aisles does not physically verify stock. Confirm with the store before making a special trip."
  ],
  "actions": [],
  "sections": [
    {
      "id": "findings",
      "title": "Key findings",
      "type": "text",
      "paragraphs": [
        "Retailers reported 82.6% of 8,527 store-product listings with a known status in stock, across 37 stores in the Chicago, IL area.",
        "Milk was the hardest category to find (70.9% in stock); Paper towels was the easiest (95.0%).",
        "On identical products, Food 4 Less prices averaged 9.6% lower than Mariano’s in Chicago, IL (158 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",
          "759",
          "70.9%",
          "221"
        ],
        [
          "Cold and flu",
          "789",
          "77.7%",
          "176"
        ],
        [
          "Diapers",
          "1,221",
          "77.8%",
          "271"
        ],
        [
          "Toothpaste",
          "780",
          "79.2%",
          "162"
        ],
        [
          "Batteries",
          "722",
          "81.4%",
          "134"
        ],
        [
          "Baby formula",
          "819",
          "82.2%",
          "146"
        ],
        [
          "Eggs",
          "575",
          "83.0%",
          "98"
        ],
        [
          "Bread",
          "242",
          "83.5%",
          "40"
        ],
        [
          "Coffee",
          "706",
          "85.0%",
          "106"
        ],
        [
          "Dog food",
          "747",
          "90.4%",
          "72"
        ],
        [
          "Pain relief",
          "591",
          "94.6%",
          "32"
        ],
        [
          "Paper towels",
          "576",
          "95.0%",
          "29"
        ]
      ]
    },
    {
      "id": "hardest",
      "title": "Hardest products to find",
      "type": "table",
      "columns": [
        "Product",
        "Category",
        "Listings with a status",
        "In-stock rate"
      ],
      "rows": [
        [
          {
            "text": "Kroger Medium Grade A White Eggs",
            "url": "https://aislesinventory.com/chicago/products/kroger-medium-grade-a-white-eggs-0001111060980"
          },
          "Eggs",
          "29",
          "0.0%"
        ],
        [
          {
            "text": "Crest Toothpaste Pro-Health Clean Mint",
            "url": "https://aislesinventory.com/chicago/products/crest-toothpaste-pro-health-clean-mint-0003077205885"
          },
          "Toothpaste",
          "29",
          "0.0%"
        ],
        [
          {
            "text": "Horizon Organic Shelf Stable 1% Lowfat Chocolate Milk",
            "url": "https://aislesinventory.com/chicago/products/horizon-organic-shelf-stable-1-lowfat-chocolate-milk-0074236500270"
          },
          "Milk",
          "11",
          "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": "Kroger 1% Lowfat Chocolate Milk Gallon",
            "url": "https://aislesinventory.com/chicago/products/kroger-1-lowfat-chocolate-milk-gallon-0001111050573"
          },
          "Milk",
          "8",
          "0.0%"
        ],
        [
          {
            "text": "Horizon Organic Shelf Stable 1% Lowfat Chocolate Milk",
            "url": "https://aislesinventory.com/chicago/products/horizon-organic-shelf-stable-1-lowfat-chocolate-milk-0074236500416"
          },
          "Milk",
          "8",
          "0.0%"
        ],
        [
          {
            "text": "Horizon Organic Shelf Stable 1% Lowfat DHA Omega-3 Chocolate Milk",
            "url": "https://aislesinventory.com/chicago/products/horizon-organic-shelf-stable-1-lowfat-dha-omega-3-chocolate-milk-0074236500432"
          },
          "Milk",
          "8",
          "0.0%"
        ],
        [
          {
            "text": "Starbucks Caramel Flavored Ground Coffee",
            "url": "https://aislesinventory.com/chicago/products/starbucks-caramel-flavored-ground-coffee-0076211181056"
          },
          "Coffee",
          "8",
          "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": "Kroger Multi-Symptom Cold and Flu DayTime and NightTime Cold Medicine Softgels",
            "url": "https://aislesinventory.com/chicago/products/kroger-multi-symptom-cold-and-flu-daytime-and-nighttime-cold-medicine-0004126001689"
          },
          "Cold and flu",
          "8",
          "0.0%"
        ],
        [
          {
            "text": "Rayovac High Energy Plastic Free 4 Pack AA",
            "url": "https://aislesinventory.com/chicago/products/rayovac-high-energy-plastic-free-4-pack-aa-0001280054011"
          },
          "Batteries",
          "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": "Starbucks Single-Origin Sumatra Dark Roast Ground Coffee",
            "url": "https://aislesinventory.com/chicago/products/starbucks-single-origin-sumatra-dark-roast-ground-coffee-0076211162291"
          },
          "Coffee",
          "7",
          "0.0%"
        ],
        [
          {
            "text": "Kendamil Whole Milk Fats 0-12 Months Infant Formula Powder",
            "url": "https://aislesinventory.com/chicago/products/kendamil-whole-milk-fats-0-12-months-infant-formula-powder-0085004523801"
          },
          "Baby formula",
          "7",
          "0.0%"
        ]
      ]
    },
    {
      "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",
          "158",
          "9.6% lower",
          "61"
        ]
      ]
    },
    {
      "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",
          "237",
          "90.3%",
          "23"
        ],
        [
          {
            "text": "Mariano’s Elmhurst",
            "url": "https://aislesinventory.com/chicago/elmhurst/marianos-elmhurst-elmhurst-53100511"
          },
          "Mariano’s",
          "236",
          "89.4%",
          "25"
        ],
        [
          {
            "text": "Mariano’s Des Plaines",
            "url": "https://aislesinventory.com/chicago/des-plaines/marianos-des-plaines-des-plaines-53100541"
          },
          "Mariano’s",
          "243",
          "89.3%",
          "26"
        ],
        [
          {
            "text": "Mariano’s Westchester",
            "url": "https://aislesinventory.com/chicago/westchester/marianos-westchester-westchester-53100528"
          },
          "Mariano’s",
          "238",
          "89.1%",
          "26"
        ],
        [
          {
            "text": "Mariano’s Lombard",
            "url": "https://aislesinventory.com/chicago/lombard/marianos-lombard-lombard-53100543"
          },
          "Mariano’s",
          "239",
          "88.7%",
          "27"
        ],
        [
          {
            "text": "Mariano’s Westmont",
            "url": "https://aislesinventory.com/chicago/westmont/marianos-westmont-westmont-53100536"
          },
          "Mariano’s",
          "239",
          "88.7%",
          "27"
        ],
        [
          {
            "text": "Mariano’s Orland Park",
            "url": "https://aislesinventory.com/chicago/orland-park/marianos-orland-park-orland-park-53100535"
          },
          "Mariano’s",
          "238",
          "88.7%",
          "27"
        ],
        [
          {
            "text": "Mariano’s Bronzeville",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-bronzeville-chicago-53100539"
          },
          "Mariano’s",
          "236",
          "88.6%",
          "27"
        ],
        [
          {
            "text": "Mariano’s Evergreen Park",
            "url": "https://aislesinventory.com/chicago/evergreen-park/marianos-evergreen-park-evergreen-park-53100530"
          },
          "Mariano’s",
          "235",
          "88.5%",
          "27"
        ],
        [
          {
            "text": "Mariano’s Harwood Heights",
            "url": "https://aislesinventory.com/chicago/harwood-heights/marianos-harwood-heights-harwood-heights-53100510"
          },
          "Mariano’s",
          "240",
          "88.3%",
          "28"
        ],
        [
          {
            "text": "Mariano’s Bucktown",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-bucktown-chicago-53100516"
          },
          "Mariano’s",
          "238",
          "88.2%",
          "28"
        ],
        [
          {
            "text": "Mariano’s Oak Lawn",
            "url": "https://aislesinventory.com/chicago/oak-lawn/marianos-oak-lawn-oak-lawn-53100517"
          },
          "Mariano’s",
          "239",
          "87.9%",
          "29"
        ],
        [
          {
            "text": "Mariano’s Park Ridge",
            "url": "https://aislesinventory.com/chicago/park-ridge/marianos-park-ridge-park-ridge-53100525"
          },
          "Mariano’s",
          "241",
          "87.6%",
          "30"
        ],
        [
          {
            "text": "Mariano’s Northbrook",
            "url": "https://aislesinventory.com/chicago/northbrook/marianos-northbrook-northbrook-53100533"
          },
          "Mariano’s",
          "240",
          "87.5%",
          "30"
        ],
        [
          {
            "text": "Mariano’s Glenview East",
            "url": "https://aislesinventory.com/chicago/glenview/marianos-glenview-east-glenview-53100518"
          },
          "Mariano’s",
          "241",
          "85.9%",
          "34"
        ],
        [
          {
            "text": "Mariano’s Western Springs",
            "url": "https://aislesinventory.com/chicago/western-springs/marianos-western-springs-western-springs-53100529"
          },
          "Mariano’s",
          "242",
          "85.5%",
          "35"
        ],
        [
          {
            "text": "Mariano’s Bridgeport",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-bridgeport-chicago-53100520"
          },
          "Mariano’s",
          "239",
          "84.1%",
          "38"
        ],
        [
          {
            "text": "Mariano’s Arlington Heights",
            "url": "https://aislesinventory.com/chicago/arlington-heights/marianos-arlington-heights-arlington-heights-53100501"
          },
          "Mariano’s",
          "242",
          "83.9%",
          "39"
        ],
        [
          {
            "text": "Mariano’s Jefferson Park",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-jefferson-park-chicago-53100507"
          },
          "Mariano’s",
          "240",
          "83.8%",
          "39"
        ],
        [
          {
            "text": "Mariano’s New City",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-new-city-chicago-53100534"
          },
          "Mariano’s",
          "237",
          "81.9%",
          "43"
        ],
        [
          {
            "text": "Mariano’s South Loop",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-south-loop-chicago-53100512"
          },
          "Mariano’s",
          "240",
          "81.7%",
          "44"
        ],
        [
          {
            "text": "Mariano’s Skokie",
            "url": "https://aislesinventory.com/chicago/skokie/marianos-skokie-skokie-53100531"
          },
          "Mariano’s",
          "239",
          "81.6%",
          "44"
        ],
        [
          {
            "text": "Mariano’s West Loop",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-west-loop-chicago-53100508"
          },
          "Mariano’s",
          "235",
          "81.3%",
          "44"
        ],
        [
          {
            "text": "Food 4 Less Dolton",
            "url": "https://aislesinventory.com/chicago/dolton/food-4-less-dolton-dolton-70800566"
          },
          "Food 4 Less",
          "201",
          "79.1%",
          "42"
        ],
        [
          {
            "text": "Food 4 Less Hammond Shopping Center",
            "url": "https://aislesinventory.com/chicago/hammond/food-4-less-hammond-shopping-center-hammond-70800787"
          },
          "Food 4 Less",
          "204",
          "78.9%",
          "43"
        ],
        [
          {
            "text": "Mariano’s Ravenswood",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-ravenswood-chicago-53100515"
          },
          "Mariano’s",
          "239",
          "78.7%",
          "51"
        ],
        [
          {
            "text": "Food 4 Less Englewood Plaza",
            "url": "https://aislesinventory.com/chicago/chicago/food-4-less-englewood-plaza-chicago-70800552"
          },
          "Food 4 Less",
          "200",
          "78.5%",
          "43"
        ],
        [
          {
            "text": "Food 4 Less 31st Cicero",
            "url": "https://aislesinventory.com/chicago/cicero/food-4-less-31st-cicero-cicero-70800551"
          },
          "Food 4 Less",
          "201",
          "77.6%",
          "45"
        ],
        [
          {
            "text": "Mariano’s Edgewater",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-edgewater-chicago-53100522"
          },
          "Mariano’s",
          "236",
          "77.1%",
          "54"
        ],
        [
          {
            "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",
          "200",
          "77.0%",
          "46"
        ],
        [
          {
            "text": "Mariano’s 3030 Broadway",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-3030-broadway-chicago-53100538"
          },
          "Mariano’s",
          "232",
          "76.7%",
          "54"
        ],
        [
          {
            "text": "Food 4 Less Alsip",
            "url": "https://aislesinventory.com/chicago/alsip/food-4-less-alsip-alsip-70800553"
          },
          "Food 4 Less",
          "198",
          "75.3%",
          "49"
        ],
        [
          {
            "text": "Food 4 Less 87th Dan Ryan",
            "url": "https://aislesinventory.com/chicago/chicago/food-4-less-87th-dan-ryan-chicago-70800570"
          },
          "Food 4 Less",
          "202",
          "75.2%",
          "50"
        ],
        [
          {
            "text": "Mariano’s Roscoe Village",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-roscoe-village-chicago-53100504"
          },
          "Mariano’s",
          "236",
          "74.6%",
          "60"
        ],
        [
          {
            "text": "Food 4 Less Washington Square",
            "url": "https://aislesinventory.com/chicago/chicago/food-4-less-washington-square-chicago-70800567"
          },
          "Food 4 Less",
          "208",
          "72.1%",
          "58"
        ],
        [
          {
            "text": "Mariano’s Lakeshore East",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-lakeshore-east-chicago-53100503"
          },
          "Mariano’s",
          "236",
          "72.0%",
          "66"
        ],
        [
          {
            "text": "Mariano’s Ukrainian Village",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-ukrainian-village-chicago-53100527"
          },
          "Mariano’s",
          "240",
          "64.2%",
          "86"
        ]
      ]
    },
    {
      "id": "more",
      "title": "More",
      "type": "links",
      "inline": true,
      "items": [
        {
          "name": "All cities on October 17, 2026",
          "url": "https://aislesinventory.com/reports/2026-10-17"
        },
        {
          "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 the median store price per product, and compare only identical products (the same Kroger product ID).",
        "Aisles did not physically verify stock or prices. Retailer systems can be wrong or delayed."
      ]
    }
  ],
  "faq": [
    {
      "q": "What was hardest to find in the Chicago, IL area on October 17, 2026?",
      "a": "Milk: 70.9% 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 158 identical products on October 17, 2026."
    }
  ],
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      "headline": "Chicago, IL store inventory report: October 17, 2026",
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            "text": "Milk: 70.9% of listings with a reported status were in stock."
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        {
          "@type": "Question",
          "name": "Which chain was cheaper in the Chicago, IL area?",
          "acceptedAnswer": {
            "@type": "Answer",
            "text": "Food 4 Less averaged 9.6% lower prices than Mariano’s across 158 identical products on October 17, 2026."
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  ],
  "generated_local": "Oct 18, 2026, 10:23 AM CDT",
  "checked": {
    "latest": "2026-10-17T13:27:30.793Z",
    "latest_local": "Oct 17, 2026, 8:27 AM CDT",
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