Categories/Air Purifiers/WINIX 5520 Air Purifier for Home Large Room Up to 1881 Ft in 1 Hr, True HEPA with WiFi

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critical
walmart.comID 15963010076
WINIX 5520 Air Purifier for Home Large Room Up to 1881 Ft in 1 Hr, True HEPA with WiFi

WINIX 5520 Air Purifier for Home Large Room Up to 1881 Ft in 1 Hr, True HEPA with WiFi

Winix

The WINIX 5520 Air Purifier for Home Large Room Up to 1881 Ft in 1 Hr, True HEPA with WiFi was tracked for 25 day(s). During this period, the Buybox price ranged between Buy box price ranged from $129.99 to $249.99 against an MSRP/MAP of $249.99. The product's pricing health is currently flagged as critical.

Showing Results for Past 30 days
Last updated Jun 30, 2026
Price Overview
Severe erosion

FLOOR PRICE ($)

$129.99

MAX PRICE ($)

$249.99

AVG PRICE ($)

$178.74

SEVERE EROSION

48.00%

MSRP/MAP ($)

$249.99

Price erosion from MSRP48.00% below MSRP
Jun 2, 2026Jun 30, 2026

The product is currently selling at $179.99, following a peak of $249.99 during the tracking period. Compared to its MSRP of $249.99, the current price reflects a severe variance of 28.0% erosion.

Buy Box Distribution

Buy Box Share

1P96% · 23d
3P4% · 1d

1P leads with 96% of Buy Box days

1P 1 seller3P 2 sellers
Seller
Condition
Current Price ($)
Buy Box Days
Erosion (%)
1PWalmart.com· Top
New
$179.99
−$70.00
23(92%)
28.00%
3PSylvane
New
$249.99
+$0.00
1(4%)
0.00%
3PWalmart
New
$161.00
−$88.99
0(0%)
35.60%
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 96% share, winning the Buy Box for 23 out of 25 tracked days. Only 2 of 3 total sellers have won the Buy Box.
Seller Density vs. Price Erosion
Buy-box priceActive sellers (scaled)MSRP $249.99

Peak Seller Pressure

3 sellers on Jun 4

Price held at $179.99

Price Trend

Stable

Seller Proliferation

→ Stable

-0.04/day avg · -1 net

Peak +1 on 06/04

Buy-box price stayed between $129.99 and $249.99, largely stable over the period. It entered the period already $70.00 below MSRP ($249.99), before any crowding pressure arrived. Seller count peaked at 3 on 06/04, 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 Jun 28 vs last 3 days of 25-day tracking period

Watchlist

  • 1 seller exited with no new entrants — competitive pressure may be easing.
New Entrants (0)

No new sellers in recent period.

Exited (1)
3PWalmart

Last Jun 27 · $161.00 · 0 Buy Box Wins

Persistent (2)
1PWalmart.com

23d · avg $175.64 · 23 Buy Box Wins · stable

3PSylvane

24d · avg $249.99 · 1 Buy Box Wins · stable

New Entrants — Sellers who appeared for the first time in the recent period.Exited — Sellers active earlier but absent in the recent period.Persistent — Sellers present throughout both the early and recent periods.
Key Findings
critical
Price Erosion

$120.00

Severe · 48.0% below MSRP

Severe erosion — floor is $120.00 (48.0%) below MSRP; the product is well below its intended price point and brand integrity is at risk.

Seller Activity

2 3P sellers

Controlled · 1 exited

3P activity is limited to 2 sellers — controlled, though 1 have since exited.

Buy Box

Walmart.com

1P · 23 wins · $179.99

Buy-box is controlled — Walmart.com (1P) leads with 23 wins at $179.99, and 3P interference is minimal.

Recommended Actions
1

Immediate pricing intervention required — The lowest price has dropped to $129.99, which is 48.0% below MSRP ($249.99).

2

Prioritise enforcement action against Sylvane, the highest-frequency 3P buy-box winner.

3

Escalate directly with Walmart — The lowest price has dropped to $129.99, which is 48.0% below MSRP ($249.99).