Categories/Air Purifiers/Shark 500 Sq Ft True HEPA Air Purifier, NanoSeal, Clean Sense IQ Technology, Captures Pet Hair, Pet Dander, Allergens, HP100 Charcoal Gray
healthy

Buy-box price is 0.0% below MSRP and a 1P seller controls the listing

Shark 500 Sq Ft True HEPA Air Purifier, NanoSeal, Clean Sense IQ Technology, Captures Pet Hair, Pet Dander, Allergens, HP100 Charcoal Gray

Shark 500 Sq Ft True HEPA Air Purifier, NanoSeal, Clean Sense IQ Technology, Captures Pet Hair, Pet Dander, Allergens, HP100 Charcoal Gray

Shark·
ID 301887433

The Shark 500 Sq Ft True HEPA Air Purifier, NanoSeal, Clean Sense IQ Technology, Captures Pet Hair, Pet Dander, Allergens, HP100 Charcoal Gray was tracked for 30 day(s). During this period, the Buy Box price was $149.00 against an MSRP/MAP of $149.00. The product's pricing health is currently flagged as healthy.

Tracked 31 days · past 30-day window
Last updated Jul 31, 2026

Price Overview

FLOOR PRICE ($)

$149.00

MAX PRICE ($)

$149.00

AVG PRICE ($)

$149.00

EROSION (%)

0.00%

MSRP/MAP ($)

$149.00

Price erosion from MSRP
Minimal0.00% below MSRP
MinimalModerateSevere

The product held steady at $149.00 throughout the tracking period. The floor price held at or above its MSRP of $149.00, showing no erosion during the period.

Tracking window: Jul 1, 2026 – Jul 31, 2026

Buy box distribution

100%1P
1P · 1 seller, 100% share3P · 2 sellers, 0% share
Sellers won
1 of 3tracked sellers
Changed hands
0 timesover 30 days
SellerConditionPrice vs MSRPBuy box daysErosion
1PWalmart.com· Top
New
$149.00
at MSRP
30d (100%)
0.00%
3PCOZZY SHOPPING INC
New
$149.00
at MSRP
0d (0%)
0.00%
3PTronicspay.com
New
$169.95
+$20.95 above MSRP
0d (0%)
-14.06%
Erosion severity: green under 10%, yellow 10–20%, red above 20%

The Buy Box for Shark 500 Sq Ft True HEPA Air Purifier, NanoSeal, Clean Sense IQ Technology, Captures Pet Hair, Pet Dander, Allergens, HP100 Charcoal Gray is primarily held by Walmart.com (1P) with a 100% share, winning the Buy Box for 30 out of 30 tracked days. Only 1 of 3 total sellers have won the Buy Box.

Seller density vs. price erosion

Buy-box priceActive sellersMSRP $149.00
Peak seller pressure2 sellers on Jul 1Highest count during tracking window
Price impact at peak$0.00$149.00 → $149.00
Price trendStableBased on trailing 30 days
Seller proliferation↓ Decreasing-0.0/day avg · -1 net

Buy-box price held flat at $149.00 throughout the tracking period. Price opened right at MSRP ($149.00). Seller count peaked at 2 on 07/01, easing off since — adding -1 net seller over the full period. The crowding was short-lived — sellers came in, didn't find enough margin to stay, and pulled back.

Seller churn and influx

Comparing sellers before Jul 29 vs last 3 days of 30-day tracking period

2 3P sellers exited the listing — channel cleanup signal.

2 sellers exited with no new entrants — competitive pressure easing.

New entrants (0)

No new sellers in recent period

Exited (2)
Persistent (1)

Key Findings

healthy
Price Erosion

$0.00

Intact0% below MSRP

Pricing is intact — no measurable erosion from MSRP.

Seller Activity

2 3P Sellers

Controlled2 exited

3P activity is limited to 2 sellers — controlled, though 2 have since exited.

Buy Box

Walmart.com

Controlled1P · 30 wins

Buy-box is controlled — Walmart.com (1P) leads with 30 wins at $149.00, and 3P interference is minimal.

Recommended Actions
1

Escalate directly with Walmart — The lowest price has dropped to $134.37, which is 0.0% below MSRP ($149.00).

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