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Le langage des chandeliers: Décoder le marché grâce aux figures de chandeliers (French Edition)

by Shital Barge

In stock

Good price

$72.97 is 6% below the $78.00 it normally sells for, and the lowest we've seen in 136 days.

Now
$72.97
Normally
$78.00
Lowest in 136 days
$72.97(Nov 11)
Highest
$78.00
Evidence: Strong136 days tracked1 price change

Where today's price sits

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

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.

Get an email when the price drops

Good: 5%+ below normal. Great: 20%+ below. One email when it happens, at a price below today's $72.97. No account, no newsletter.

Amazon price jumps and real deals, posted on X: @trackpindeals (opens in a new tab)

The listing's crossed-out price

Holds up

The listing shows

crossed out: List $78.00 −6%

Against its normal price

−6% vs $78.00

List $78.00 (−6%) holds up: today's price is 6% below normal.

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 →

Price history

Tracked since Jun 28 · 136 days · 1 price change

Loading the price chart.

  • Price
  • Normal $78.00
  • 5% or more below normal

How often does it drop below normal?

In the 136 days we've tracked it, it hasn't stayed 5% or more below today's normal price for an hour or more. It's below normal right now, for less than an hour so far.

A count of what happened, not a prediction.

More real deals in Books

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Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/6209807321
Request
curl https://trackpin.co/api/v1/product/6209807321 \
  -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 24:50 UTC
{
  "asin": "6209807321",
  "title": "Le langage des chandeliers: Décoder le marché grâce aux figures de chandeliers (French Edition)",
  "image": "https://m.media-amazon.com/images/I/61fLHuLvheL._AC_SL500_.jpg",
  "currency": "USD",
  "category": "Book",
  "category_label": "Books",
  "in_stock": true,
  "price": {
    "current_cents": 7297,
    "reference_cents": 7800,
    "discount_pct": 6.45,
    "is_deal": true,
    "observed_at": 1794438609759,
    "changed_at": 1794436742851,
    "checked_at": 1794438609759,
    "source": "stored"
  },
  "verdict": {
    "label": "good",
    "text": "Good price",
    "pct_vs_normal": 6.45,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Good price. $72.97 is 6% below the $78.00 it normally sells for, and the lowest we've seen in 136 days."
  },
  "listing_claim": {
    "label": "List:",
    "listing_reference_cents": 7800,
    "claimed_pct": 6,
    "real_pct": 6.45,
    "class": "holds_up",
    "observed_at": 1794438611598
  },
  "stats": {
    "min_cents": 7297,
    "max_cents": 7800,
    "avg_cents": 7800,
    "history_days": 136,
    "price_levels": 172,
    "price_changes": 1,
    "distinct_prices": 2,
    "lowest_at": 1794436742851
  },
  "history": [
    {
      "price_cents": 7800,
      "from": 1785277755136,
      "to": 1785277755136
    },
    {
      "price_cents": 7800,
      "from": 1785302025478,
      "to": 1785302025478
    },
    {
      "price_cents": 7800,
      "from": 1785314405872,
      "to": 1785320514788
    },
    {
      "price_cents": 7800,
      "from": 1785324748686,
      "to": 1794425287044
    },
    {
      "price_cents": 7297,
      "from": 1794436742851,
      "to": 1794438609759
    }
  ],
  "last_seen": 1794438611598
}
// … 167 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.