Sleep Innovations Dual Layer 4 Inch Memory Foam Mattress Topper, Queen Size, Ultra Soft Support, 3 Inch Cooling Gel Memory Foam Plus 1 Inch Fluffy Pillow Top Cover
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Above normal
$228.30 is 112% above the $107.34 it normally sells for. It sold at or within 3% of $107.34 for at least about a week of the last 45 days.
- Now
- $228.30
- Normally
- $107.34
- Lowest in 140 days
- $102.99(Jun 24)
- Highest
- $325.99
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)
Price history
Tracked since Jun 24 · 140 days · 13 price changes
Ahead of Black Friday 2026 (Nov 27), it is 112% above its normal price of $107.34. A "sale" back to $107.34 would only return it to normal. Sleep Innovations Dual Layer 4 Inch Memory Foam Mattress Topper… price history, checked Nov 11, 2026: current price $228.30, normal (typical) price $107.34, average $162.07 over 140 days, lowest $102.99 (Jun 24, 2026), highest $325.99 (Oct 20, 2026).
Loading the price chart.
- Price
- Not checked for 3+ days
- Normal $107.34
- 5% or more below normal
Other ways to buy
New from
$228.30
Amazon.comFulfilled by Amazon · Seller rating 100%
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Get this as JSONThe same verdict and prices, from the TrackPin API.
curl https://trackpin.co/api/v1/product/B01MRXVRVU \
-H "x-api-key: $TRACKPIN_API_KEY"const res = await fetch("https://trackpin.co/api/v1/product/B01MRXVRVU", {
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/B01MRXVRVU",
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": "B01MRXVRVU",
"title": "Sleep Innovations Dual Layer 4 Inch Memory Foam Mattress Topper, Queen Size, Ultra Soft Support, 3 Inch Cooling Gel Memory Foam Plus 1 Inch Fluffy Pillow Top Cover",
"image": "https://m.media-amazon.com/images/I/8129om4z7aL._AC_SL500_.jpg",
"currency": "USD",
"category": "Kitchen",
"category_label": "Kitchen",
"in_stock": true,
"price": {
"current_cents": 22830,
"reference_cents": 10734,
"discount_pct": -112.69,
"is_deal": false,
"observed_at": 1794435277828,
"changed_at": 1794325063415,
"checked_at": 1794435277828,
"source": "stored"
},
"verdict": {
"label": "above",
"text": "Above normal",
"pct_vs_normal": -112.69,
"evidence": "strong",
"stale": false,
"suspect": false,
"steady_since": null,
"sentence": "Above normal. $228.30 is 112% above the $107.34 it normally sells for. It sold at or within 3% of $107.34 for at least about a week of the last 45 days."
},
"listing_claim": null,
"stats": {
"min_cents": 10299,
"max_cents": 32599,
"avg_cents": 16207,
"history_days": 140,
"price_levels": 187,
"price_changes": 13,
"distinct_prices": 10,
"lowest_at": 1782329604511
},
"history": [
{
"price_cents": 10999,
"from": 1791660314362,
"to": 1792485595746
},
{
"price_cents": 32599,
"from": 1792496521979,
"to": 1792872107387
},
{
"price_cents": 31599,
"from": 1792883354048,
"to": 1793867758875
},
{
"price_cents": 26859,
"from": 1793870172615,
"to": 1794320028015
},
{
"price_cents": 22830,
"from": 1794325063415,
"to": 1794435277828
}
],
"last_seen": 1794435277828
}
// … 182 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.