{
  "product": {
    "title": "Koleston Hair Color Deer Brown + Developer 307/7",
    "titleAr": "كوليستون صبغة شعر بني غزالي + مظهر 307/7",
    "titleEn": "Koleston Hair Color Deer Brown + Developer 307/7",
    "url": "https://www.nahdionline.com/en-sa/koleston-hair-color-deer-brown-developer-307-7/pdp/100518931",
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    "lastSeenAt": "2026-11-11T12:46:09.865Z"
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    "listPrice": 26.5,
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    "lastInStockPrice": null,
    "sinceDays": 2.7,
    "evidence": "e/792416/1794167472876.frag.gz"
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  "windowDays": 90,
  "observedDaysBeforeCurrent": 4.7,
  "prehistory": [],
  "verdict": "short_record",
  "note": "Listed 'before' price 26.5. Only 4.7 days of earlier price history recorded; 14 are needed for a comparison.",
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    "realDiscountVs30dLowPct": null,
    "wasAbove30dLow": null,
    "saleDays": 8.5,
    "saleDaysOutsideSeasons": 8.5,
    "season": null,
    "longSale": false,
    "promo": null
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  "facts": {
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    "low30": 13.47,
    "low30Since": "2026-11-03T08:42:16.374Z",
    "low90": 12.95,
    "high90": 13.47,
    "cheapest": {
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      "domain": "www.nahdionline.com",
      "url": "https://www.nahdionline.com/en-sa/koleston-hair-color-deer-brown-developer-307-7/pdp/100518931",
      "price": 12.95
    }
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        "days": 7.4,
        "vsAvgPct": -2
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    "guidance": "insufficient_history"
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      "key": "11-11-2026",
      "name_ar": "عروض 11.11 لعام 2026",
      "name_en": "11.11 sales 2026",
      "start": "2026-11-09",
      "end": "2026-11-12"
    }
  ],
  "offerHistory": [
    {
      "kind": "promo",
      "text": "Buy 3 For 29.98 SAR",
      "firstSeenAt": "2026-11-03T08:42:16.374Z",
      "lastSeenAt": "2026-11-08T00:37:59.143Z"
    }
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}