King Mattress Topper, Soft Pillow Top Mattress Pad for Back Pain Relief | Breathable Bed Topper for Hot Sleepers, Deep Pocket Fits 8-21 Inch Mattresses, 900 GSM Down Alternative Fill for Deep Sleep
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Normal price
$51.99 is within 5% of the $49.99 it normally sells for.
- Now
- $51.99
- Normally
- $49.99
- Lowest in 138 days
- $49.99(Nov 10)
- Highest
- $89.99
Where today's price sits
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.
Amazon price jumps and real deals, posted on X: @trackpindeals (opens in a new tab)
The listing's crossed-out price
Not below normalThe listing shows
crossed out: List $61.99 −16%
Against its normal price
+4% vs $49.99
This product has sold at or within 3% of $49.99 for at least about a week of the last 45 days, so today's price isn't below its normal price.
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 26 · 138 days · 21 price changes
Ahead of Black Friday 2026 (Nov 27), it is at its normal price of $49.99. A price below $49.99 would be a real deal. King Mattress Topper, Soft Pillow Top Mattress Pad for Back Pain… price history, checked Nov 11, 2026: current price $51.99, normal (typical) price $49.99, average $58.43 over 138 days, lowest $49.99 (Nov 10, 2026), highest $89.99 (Sep 14, 2026).
Loading the price chart.
- Price
- Not checked for 3+ days
- Normal $49.99
- 5% or more below normal
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Get this as JSONThe same verdict and prices, from the TrackPin API.
curl https://trackpin.co/api/v1/product/B0B2P4RY3Z \
-H "x-api-key: $TRACKPIN_API_KEY"const res = await fetch("https://trackpin.co/api/v1/product/B0B2P4RY3Z", {
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/B0B2P4RY3Z",
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{
"asin": "B0B2P4RY3Z",
"title": "King Mattress Topper, Soft Pillow Top Mattress Pad for Back Pain Relief | Breathable Bed Topper for Hot Sleepers, Deep Pocket Fits 8-21 Inch Mattresses, 900 GSM Down Alternative Fill for Deep Sleep",
"image": "https://m.media-amazon.com/images/I/71kZBmQZz1L._AC_SL500_.jpg",
"currency": "USD",
"category": "Kitchen",
"category_label": "Kitchen",
"in_stock": true,
"price": {
"current_cents": 5199,
"reference_cents": 4999,
"discount_pct": -4,
"is_deal": false,
"observed_at": 1794436621319,
"changed_at": 1794364265696,
"checked_at": 1794436621319,
"source": "stored"
},
"verdict": {
"label": "normal",
"text": "Normal price",
"pct_vs_normal": -4,
"evidence": "strong",
"stale": false,
"suspect": false,
"steady_since": null,
"sentence": "Normal price. $51.99 is within 5% of the $49.99 it normally sells for."
},
"listing_claim": {
"label": "List:",
"listing_reference_cents": 6199,
"claimed_pct": 16,
"real_pct": -4,
"class": "not_below_normal",
"observed_at": 1794364280843
},
"stats": {
"min_cents": 4999,
"max_cents": 8999,
"avg_cents": 5843,
"history_days": 138,
"price_levels": 205,
"price_changes": 21,
"distinct_prices": 6,
"lowest_at": 1794320413286
},
"history": [
{
"price_cents": 5199,
"from": 1793887809763,
"to": 1794299505042
},
{
"price_cents": 6199,
"from": 1794317063626,
"to": 1794317063626
},
{
"price_cents": 4999,
"from": 1794320413286,
"to": 1794362841329
},
{
"price_cents": 6199,
"from": 1794363696581,
"to": 1794363696581
},
{
"price_cents": 5199,
"from": 1794364265696,
"to": 1794436621319
}
],
"last_seen": 1794436621319
}
// … 200 more steps in the full responseNormal 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.