Bolisila HX-400 PD Meter Optical Pupilometer with VD Measurement
Great price
$103.86 is 27% below the $143.52 it normally sells for, and the lowest we've seen in 139 days.
- Now
- $103.86
- Normally
- $143.52
- Lowest in 139 days
- $103.86(Nov 5)
- Highest
- $207.50
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.
Price history
Tracked since Jun 24 · 139 days · 323 price changes
Loading the price chart.
- Price
- Not checked for 3+ days
- Normal $143.52
- 5% or more below normal
How often does it drop below normal?
In the 139 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more twice, typically lasting about 4 days. It's below normal right now.
A count of what happened, not a prediction.
Other ways to buy
New from
$103.86
HengYangSanYangZhiHuiYangLaoFuWuYouXianGongSi
All 6 offers
| Seller | Condition | Price | FBA | Seller rating |
|---|---|---|---|---|
| HengYangSanYangZhiHuiYangLaoFuWuYouXianGongSi | New | $103.86 | No | — |
| Yucen Trading Co., Ltd | New | $106.27 | No | — |
| YOYODEER | New | $145.25 | No | 73% of 11 |
| qingchenglei | New | $180.45 | No | 28% of 18 |
| erhuo | New | $207.50 | No | 50% of 2 |
| yuanceshangmaoyouxiangongsi | New | $284.72 | No | — |
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Get this as JSONThe same verdict and prices, from the TrackPin API.
curl https://trackpin.co/api/v1/product/B0D86Z9MLQ \
-H "x-api-key: $TRACKPIN_API_KEY"const res = await fetch("https://trackpin.co/api/v1/product/B0D86Z9MLQ", {
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/B0D86Z9MLQ",
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": "B0D86Z9MLQ",
"title": "Bolisila HX-400 PD Meter Optical Pupilometer with VD Measurement",
"image": "https://m.media-amazon.com/images/I/51iNDXN+0PL._AC_SL500_.jpg",
"currency": "USD",
"category": "Home",
"category_label": "Home",
"in_stock": true,
"price": {
"current_cents": 10386,
"reference_cents": 14352,
"discount_pct": 27.63,
"is_deal": true,
"observed_at": 1794408591737,
"changed_at": 1793889148437,
"checked_at": 1794408591737,
"source": "stored"
},
"verdict": {
"label": "great",
"text": "Great price",
"pct_vs_normal": 27.63,
"evidence": "strong",
"stale": false,
"suspect": false,
"steady_since": null,
"sentence": "Great price. $103.86 is 27% below the $143.52 it normally sells for, and the lowest we've seen in 139 days."
},
"listing_claim": null,
"stats": {
"min_cents": 10386,
"max_cents": 20750,
"avg_cents": 15595,
"history_days": 139,
"price_levels": 467,
"price_changes": 323,
"distinct_prices": 30,
"lowest_at": 1793889148437
},
"history": [
{
"price_cents": 11186,
"from": 1793870348152,
"to": 1793870348152
},
{
"price_cents": 10627,
"from": 1793874877446,
"to": 1793876244938
},
{
"price_cents": 10386,
"from": 1793879945455,
"to": 1793880038391
},
{
"price_cents": 10627,
"from": 1793884824150,
"to": 1793886232976
},
{
"price_cents": 10386,
"from": 1793889148437,
"to": 1794408591737
}
],
"last_seen": 1794408591737
}
// … 462 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.