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HD DTK-120/240HD2 Surge price history, checked Nov 15, 2026: Good price. $394.45 is 8% below the $429.75 it normally sells for.

HD DTK-120/240HD2 Surge Suppressor

Rated4.0(1 rating)In stock

Good price

$394.45 is 8% below the $429.75 it normally sells for.

Now
$394.45
Normally
$429.75
Lowest in 145 days
$347.88(Jul 26)
Highest
$429.75
Evidence: Strong145 days tracked3 price changes

Where today's price sits

View on amazon.com (opens in a new tab)

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Good: 5%+ below normal. Great: 20%+ below. One email when it happens, at a price below today's $394.45. No account, no newsletter.

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Price history

Tracked since Jun 22 · 145 days · 3 price changes

Ahead of Black Friday 2026 (Nov 27), it is already 8% below its normal price of $429.75. HD DTK-120/240HD2 Surge Suppressor price history, checked Nov 15, 2026: current price $394.45, normal (typical) price $429.75, average $387.02 over 145 days, lowest $347.88 (Jul 26, 2026), highest $429.75 (Oct 7, 2026).

Loading the price chart.

  • Price
  • Not checked for 3+ days
  • Normal $429.75
  • 5% or more below normal

How often does it drop below normal?

In the 145 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more twice, typically lasting about 30 days. It's below normal right now.

A count of what happened, not a prediction.

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Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/B002I0U302
Request
curl https://trackpin.co/api/v1/product/B002I0U302 \
  -H "x-api-key: $TRACKPIN_API_KEY"

This is exactly what the API returns for this product. Free keys include 100 requests a day.

Request a key
Live response, As of 03:46 UTC
{
  "asin": "B002I0U302",
  "title": "HD DTK-120/240HD2 Surge Suppressor",
  "image": "https://m.media-amazon.com/images/I/31S6e7UKpFL._AC_SL500_.jpg",
  "currency": "USD",
  "category": "CE",
  "category_label": "Electronics",
  "in_stock": true,
  "price": {
    "current_cents": 39445,
    "reference_cents": 42975,
    "discount_pct": 8.21,
    "is_deal": true,
    "observed_at": 1794714309757,
    "changed_at": 1794457065177,
    "checked_at": 1794714309757,
    "source": "stored"
  },
  "verdict": {
    "label": "good",
    "text": "Good price",
    "pct_vs_normal": 8.21,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Good price. $394.45 is 8% below the $429.75 it normally sells for."
  },
  "listing_claim": null,
  "stats": {
    "min_cents": 34788,
    "max_cents": 42975,
    "avg_cents": 38702,
    "history_days": 145,
    "price_levels": 192,
    "price_changes": 3,
    "distinct_prices": 4,
    "lowest_at": 1785076298242
  },
  "history": [
    {
      "price_cents": 36850,
      "from": 1785314486552,
      "to": 1785314486552
    },
    {
      "price_cents": 36850,
      "from": 1785316135720,
      "to": 1785321164755
    },
    {
      "price_cents": 36850,
      "from": 1785322676927,
      "to": 1789614532976
    },
    {
      "price_cents": 42975,
      "from": 1791335053986,
      "to": 1794440217632
    },
    {
      "price_cents": 39445,
      "from": 1794457065177,
      "to": 1794714309757
    }
  ],
  "last_seen": 1794714309757
}
// … 187 more steps in the full response

Normal price: the lowest price level the product held for at least 15% of the last 45 days (about a week). Prices within 3% of each other count as one level, and we use the lowest price in that level. How we calculate it → Prices are observations of amazon.com and may be incomplete or delayed. TrackPin is not affiliated with Amazon.