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

The WINIX 5520 Air Purifier for Home Large Room Up to 1881 Ft in 1 Hr, True HEPA with WiFi was tracked for 22 day(s). During this period, the Buy Box price was $179.99 against an MSRP/MAP of $179.99. The product's pricing health is currently flagged as healthy.
FLOOR PRICE ($)
$179.99
MAX PRICE ($)
$179.99
AVG PRICE ($)
$179.99
EROSION (%)
0.00%
MSRP/MAP ($)
$179.99
The product held steady at $179.99 throughout the tracking period. The floor price held at or above its MSRP of $179.99, showing no erosion during the period.
| Seller | Condition | Price vs MSRP | Buy box days | Erosion |
|---|---|---|---|---|
1PWalmart.com· Top | New | $179.99 at MSRP | 22d (100%) | 0.00% |
3PWalmart | New | $145.00 −$34.99 below MSRP | 0d (0%) | 19.44% |
3PSylvane | New | $249.99 +$70.00 above MSRP | 0d (0%) | -38.89% |
The Buy Box for WINIX 5520 Air Purifier for Home Large Room Up to 1881 Ft in 1 Hr, True HEPA with WiFi is primarily held by Walmart.com (1P) with a 100% share, winning the Buy Box for 22 out of 22 tracked days. Only 1 of 3 total sellers have won the Buy Box.
Buy-box price held flat at $179.99 throughout the tracking period. Price opened right at MSRP ($179.99). Seller count peaked at 3 on 09/16 — adding +0 net sellers over the full period. Seller activity and pricing have both been steady — no acute competitive pressure detected.
Comparing sellers before Sep 28 vs last 3 days of 22-day tracking period
1 3P seller exited the listing — channel cleanup signal.
1 seller exited with no new entrants — competitive pressure easing.
No new sellers in recent period
$0.00
Pricing is intact — no measurable erosion from MSRP.
2 3P Sellers
3P activity is limited to 2 sellers — controlled, though 1 have since exited.
Walmart.com
Buy-box is controlled — Walmart.com (1P) leads with 22 wins at $179.99, and 3P interference is minimal.
Enter your product URL and MAP price. We will monitor 3P seller crowding, Buy Box shifts, and price erosion over the next 7 days and email you a comprehensive compliance report.
Monitor 3P seller crowding, Buy Box shifts & price erosion for your product.