ZEFAL 4931 K-Traz U20S U-Lock, Black, 185 x 210 x 48mm

Only 5 left

Normal price

$139.92 is within 5% of the $137.80 it normally sells for.

Now: $139.92
Normally: $137.80
Lowest in 142 days: $97.84(Oct 13)
Highest: $216.91

Evidence: Strong142 days tracked399 price changeschecked 4h ago

Where today's price sits

Now $139.92Normal $137.80$97.84$216.91

View on amazon.com

Prices change. Confirm the price on Amazon before you buy. TrackPin may earn a commission if you buy, at no cost to you; it never changes a verdict.

Price history

Tracked since Jun 22 · 142 days · 399 price changes

Price
Not checked for 3+ days
Normal $137.80
5% or more below normal

How often does it drop below normal?

In the 142 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more 5 times, typically lasting less than a day. The last time ended Nov 7.

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/B0CNHWHF9L

Request

curl https://trackpin.co/api/v1/product/B0CNHWHF9L \
  -H "x-api-key: $TRACKPIN_API_KEY"

const res = await fetch("https://trackpin.co/api/v1/product/B0CNHWHF9L", {
  headers: { "x-api-key": process.env.TRACKPIN_API_KEY },
});
const product = await res.json();

console.log(product.verdict.label, product.price.reference_cents);

import os, requests

r = requests.get(
    "https://trackpin.co/api/v1/product/B0CNHWHF9L",
    headers={"x-api-key": os.environ["TRACKPIN_API_KEY"]},
)
product = r.json()

print(product["verdict"]["label"], product["price"]["reference_cents"])

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

Request a key

Live responseAs of 21:32 UTC

{
  "asin": "B0CNHWHF9L",
  "title": "ZEFAL 4931 K-Traz U20S U-Lock, Black, 185 x 210 x 48mm",
  "image": "https://m.media-amazon.com/images/I/717LR+uBUWL._AC_SL500_.jpg",
  "currency": "USD",
  "category": "Home Improvement",
  "category_label": "Tools & Home Improvement",
  "in_stock": true,
  "price": {
    "current_cents": 13992,
    "reference_cents": 13780,
    "discount_pct": -1.54,
    "is_deal": false,
    "observed_at": 1794417365436,
    "changed_at": 1794397343188,
    "checked_at": 1794417365436,
    "source": "stored"
  },
  "verdict": {
    "label": "normal",
    "text": "Normal price",
    "pct_vs_normal": -1.54,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Normal price. $139.92 is within 5% of the $137.80 it normally sells for."
  },
  "listing_claim": null,
  "stats": {
    "min_cents": 9784,
    "max_cents": 21691,
    "avg_cents": 16399,
    "history_days": 142,
    "price_levels": 585,
    "price_changes": 399,
    "distinct_prices": 45,
    "lowest_at": 1791850168232
  },
  "history": [
    {
      "price_cents": 9937,
      "from": 1794079820101,
      "to": 1794079945079
    },
    {
      "price_cents": 13780,
      "from": 1794095316160,
      "to": 1794269295107
    },
    {
      "price_cents": 13922,
      "from": 1794274363774,
      "to": 1794378746122
    },
    {
      "price_cents": 14505,
      "from": 1794381640609,
      "to": 1794386241505
    },
    {
      "price_cents": 13992,
      "from": 1794397343188,
      "to": 1794417365436
    }
  ],
  "last_seen": 1794417365436
}
// … 580 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.

ZEFAL 4931 K-Traz U20S U-Lock, Black, 185 x 210 x 48mm

Price history

How often does it drop below normal?

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