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Pulse Oximeter Fingertip SpO2/PR price history, checked Nov 15, 2026: Good price. $84.15 is 5% below the $89.10 it normally sells for.

Pulse Oximeter Fingertip Handheld Pulse Oximeter With Continuous Monitor Blood Oxygen Saturation Monitor for Adults Rechargeable Monitor Oxygen Meter For SpO2/PR/PI

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Rated4.2(108 ratings)In stock

Good price

$84.15 is 5% below the $89.10 it normally sells for.

Now
$84.15
Normally
$89.10
Lowest in 142 days
$79.20(Oct 7)
Highest
$99.00
Evidence: Strong142 days tracked11 price changes

Where today's price sits

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

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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 $84.15. No account, no newsletter.

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The listing's crossed-out price

Smaller than shown

The listing shows

crossed out: List $99.00 −15%

Against its normal price

−5% vs $89.10

The listing shows −15%. Against its normal price it's −5%.

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 25 · 142 days · 11 price changes

Ahead of Black Friday 2026 (Nov 27), it is already 5% below its normal price of $89.10. Pulse Oximeter Fingertip Handheld Pulse Oximeter With Continuous… price history, checked Nov 15, 2026: current price $84.15, normal (typical) price $89.10, average $94.21 over 142 days, lowest $79.20 (Oct 7, 2026), highest $99.00 (Nov 5, 2026).

Loading the price chart.

  • Price
  • Not checked for 3+ days
  • Normal $89.10
  • 5% or more below normal

How often does it drop below normal?

In the 142 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more 4 times, typically lasting about 1 day. It's below normal right now.

A count of what happened, not a prediction.

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Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/B0DCFZGT71
Request
curl https://trackpin.co/api/v1/product/B0DCFZGT71 \
  -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 03:45 UTC
{
  "asin": "B0DCFZGT71",
  "title": "Pulse Oximeter Fingertip Handheld Pulse Oximeter With Continuous Monitor Blood Oxygen Saturation Monitor for Adults Rechargeable Monitor Oxygen Meter For SpO2/PR/PI",
  "image": "https://m.media-amazon.com/images/I/51Er+4WvH2L._AC_SL500_.jpg",
  "currency": "USD",
  "category": "BISS Basic",
  "category_label": "Industrial & Scientific",
  "in_stock": true,
  "price": {
    "current_cents": 8415,
    "reference_cents": 8910,
    "discount_pct": 5.56,
    "is_deal": true,
    "observed_at": 1794711418677,
    "changed_at": 1794672955791,
    "checked_at": 1794711418677,
    "source": "stored"
  },
  "verdict": {
    "label": "good",
    "text": "Good price",
    "pct_vs_normal": 5.56,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Good price. $84.15 is 5% below the $89.10 it normally sells for."
  },
  "listing_claim": {
    "label": "List:",
    "listing_reference_cents": 9900,
    "claimed_pct": 15,
    "real_pct": 5.56,
    "class": "smaller",
    "observed_at": 1794711419053
  },
  "stats": {
    "min_cents": 7920,
    "max_cents": 9900,
    "avg_cents": 9421,
    "history_days": 142,
    "price_levels": 192,
    "price_changes": 11,
    "distinct_prices": 4,
    "lowest_at": 1791353616609
  },
  "history": [
    {
      "price_cents": 8910,
      "from": 1791878956084,
      "to": 1793078769614
    },
    {
      "price_cents": 9900,
      "from": 1793084701870,
      "to": 1793811826224
    },
    {
      "price_cents": 8415,
      "from": 1793817115182,
      "to": 1793858255555
    },
    {
      "price_cents": 9900,
      "from": 1793860278155,
      "to": 1794671928383
    },
    {
      "price_cents": 8415,
      "from": 1794672955791,
      "to": 1794711418677
    }
  ],
  "last_seen": 1794711419053
}
// … 187 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.