Electron Microscopy of Polymers (Springer Laboratory)

by Goerg H. Michler

In stock

Good price

$70.13 is 11% below the $79.20 it normally sells for, and the lowest we've seen in 136 days.

Now: $70.13
Normally: $79.20
Lowest in 136 days: $70.13(Nov 6)
Highest: $85.63

Evidence: Strong136 days tracked7 price changeschecked 5h ago

Where today's price sits

Now $70.13Normal $79.20List $99.00 $85.63

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.

The listing's crossed-out price

Smaller than shown

The listing shows

crossed out: ~~List $99.00 −29%~~

Against its normal price

−11% vs $79.20

The listing shows −29%. Against its normal price it's −11%.

The crossed-out price is the reference shown on the listing. We don't know how it was set; we only compare it with prices we've observed. How we check →

Listing checked 5 days ago

Price history

Tracked since Jun 28 · 136 days · 7 price changes

Price
Not checked for 3+ days
Normal $79.20
5% or more below normal

How often does it drop below normal?

In the 136 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more twice, typically lasting about 5 days. It's below normal right now.

A count of what happened, not a prediction.

Other ways to buy

New from
$70.13
Amazon.com Services LLCFulfilled by Amazon · Seller rating 100%

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Get this as JSONThe same verdict and prices, from the TrackPin API.

GET/api/v1/product/B00FC3KYMY

Request

curl https://trackpin.co/api/v1/product/B00FC3KYMY \
  -H "x-api-key: $TRACKPIN_API_KEY"

const res = await fetch("https://trackpin.co/api/v1/product/B00FC3KYMY", {
  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/B00FC3KYMY",
    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 19:00 UTC

{
  "asin": "B00FC3KYMY",
  "title": "Electron Microscopy of Polymers (Springer Laboratory)",
  "image": "https://m.media-amazon.com/images/I/61CuZIPmC4L._AC_SL500_.jpg",
  "currency": "USD",
  "category": "eBooks",
  "category_label": "eBooks",
  "in_stock": true,
  "price": {
    "current_cents": 7013,
    "reference_cents": 7920,
    "discount_pct": 11.45,
    "is_deal": true,
    "observed_at": 1794404456683,
    "changed_at": 1793965614350,
    "checked_at": 1794404456683,
    "source": "stored"
  },
  "verdict": {
    "label": "good",
    "text": "Good price",
    "pct_vs_normal": 11.45,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Good price. $70.13 is 11% below the $79.20 it normally sells for, and the lowest we've seen in 136 days."
  },
  "listing_claim": {
    "label": "List:",
    "listing_reference_cents": 9900,
    "claimed_pct": 29,
    "real_pct": 11.45,
    "class": "smaller",
    "observed_at": 1793966671849
  },
  "stats": {
    "min_cents": 7013,
    "max_cents": 8563,
    "avg_cents": 7985,
    "history_days": 136,
    "price_levels": 178,
    "price_changes": 7,
    "distinct_prices": 6,
    "lowest_at": 1793965614350
  },
  "history": [
    {
      "price_cents": 7920,
      "from": 1789736276705,
      "to": 1789736552953
    },
    {
      "price_cents": 7321,
      "from": 1789902970958,
      "to": 1789903782617
    },
    {
      "price_cents": 7168,
      "from": 1790767325727,
      "to": 1790768125006
    },
    {
      "price_cents": 7920,
      "from": 1790827267066,
      "to": 1793949946719
    },
    {
      "price_cents": 7013,
      "from": 1793965614350,
      "to": 1794404456683
    }
  ],
  "last_seen": 1794404456683
}
// … 173 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.