Period Swimsuit Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Period Swimsuit sales on Amazon US totaled 26,250 units in July 2026 (▼ 18.1% vs. the prior month), generating an estimated $609,078 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 41.9% of unit volume and 43.1% of revenue, while a typical listing is priced at $22.02. The keyword itself pulled 4,816 Amazon queries over the same period (▼ 69.2% MoM).
Zooming out to the 12-month window ending July 2026, the period swimsuit Top 50 moved 103,150 units and $2,440,042 in cumulative sales — an average of 8,596 units and $203,337 per month. Monthly throughput topped out at 32,050 units in June 2026 and dipped to 1,850 in October 2025, leaving the latest reading 196.6% higher than August 2025.
Period Swimsuit Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
26.3K
▼ 18.1% MoM
Monthly Revenue 2026/07
$609.1K
▼ 22.1% MoM
Top 10 Market Share 2026/07
41.9%
Period Swimsuit Market Share & Sales Concentration on Amazon US — July 2026
The most-sold period swimsuit listing on Amazon US in July 2026 is ASIN B0D39Z6BZR (Brand: Jayloa), which sold 2,000 units at $11.99 apiece — equal to 7.6% of every unit tracked in this report and 2.0× the volume of the No. 2 listing.
The Top 10 ASINs account for 11,000 units and $262,210 in July 2026 — 41.9% of unit volume and 43.1% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Period Swimsuit' on Amazon
July 2026
Is 41.9% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
Powered by ASINSIGHT MCP · Grounded in ASINSIGHT Amazon data
Top 5 Volume Share breakdown
B0D39Z6BZR
Period Swim Bottoms Leakproof Period Swimwear for Women and Teens Menstrual Swimwear Period Underwear for Swimming
2K
▲ 100.0%vs. prior month
$34.8K
latest month
12-month trend
B0BN7XV7D4
Period Swimwear Leakproof Bikini Swim Bottoms for Teens Girls Women | Menstrual Bathing Suit, Period Proof Swimsuit Briefs Bottoms, Waterproof, UPF 50+, Surfing Pool Beach
1K
▼ 66.7%vs. prior month
$19.5K
latest month
12-month trend
B0BPM2ZGQ3
Heavy Flow Period Swimwear for Teens & Women
1K
▲ 233.3%vs. prior month
$30.9K
latest month
12-month trend
B0BQXKS62Z
OVRUNS Period Swimwear Leakproof Swim Bikini Bottoms for Teens,Girls,Women | Period bathing suits waterproof & UPF 50+,menstrual swimsuit built in 10 ml absorbent liner,perfect for daily and swimming
1K
▼ 50.0%vs. prior month
$23.5K
latest month
12-month trend
B0FR8DJ1Z3
Herseas Women's Tie Shoulder Bikini Sets 2 Piece High Waisted Swimsuits
1K
▼ 50.0%vs. prior month
$30.3K
latest month
12-month trend
B0BN7ZMM83
Period Swimwear Leakproof Bikini Swim Bottoms for Teens Girls Women
1K
▼ 50.0%vs. prior month
$19.5K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Period Swimsuit Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Leovqn is the best-performing period swimsuit brand in July 2026, moving 3,000 units across 3 ASINs for 27.3% of Top 10 volume. Jayloa follows with 2,000 units (18.2%), ahead of Beautikini on 2,000 units (18.2%).
With 7 brands splitting the Top 10 and 63.6% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $9.99 to $28.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Leovqn
3 ASINs in Top 10
27.3%
Units
3K
Revenue
$55K
Avg. price
$9.99
B0BN7XV7D4
$9.99·★4.1·2K revsPeriod Swimwear Leakproof Bikini Swim Bottoms for Teens Girls Women | Menstrual Bathing Suit, Period Proof Swimsuit Briefs Bottoms, Waterproof, UPF 50+, Surfing Pool Beach
Units sold1KB0BN7ZMM83
$9.99·★4.1·2K revsPeriod Swimwear Leakproof Bikini Swim Bottoms for Teens Girls Women
Units sold1KB0BQ2WCC51
$9.99·★4.2·1K revsPeriod Swimwear Leakproof Menstrual Bikini Waterproof Bottom UPF 50+ Swim Brief Light Flow - Teens Girls Women
Units sold1K
Jayloa
1 ASIN in Top 10
18.2%
Units
2K
Revenue
$34.8K
Avg. price
$11.99
B0D39Z6BZR
$11.99·★4.2·291 revsPeriod Swim Bottoms Leakproof Period Swimwear for Women and Teens Menstrual Swimwear Period Underwear for Swimming
Units sold2K
Beautikini
2 ASINs in Top 10
18.2%
Units
2K
Revenue
$68.4K
Avg. price
$28.99
B0CB36TWNG
$28.99·★4.5·936 revsBeautikini Period Swimwear Bottoms High Waisted Full Coverage Swim Shorts
Units sold1KB0C5D4CXF2
$28.99·★4.4·600 revsBeautikini Period Swimwear Mid Waist Bathing Suits Swim Bikini Bottoms
Units sold1K
Trending Period Swimsuit Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, one ASIN forced its way in: B0BPM2ZGQ3 booked 1K units at $30.95, with ▲ 233.3% MoM change. On the growth side, B0D3B4P18V leads positive momentum with ▲ 600.0% MoM growth on 700 units, with B0D39Z6BZR close behind at ▲ 100.0% MoM on 2K units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B0BPM2ZGQ3
Heavy Flow Period Swimwear for Teens & Women
Price
$30.95
Rating
4.4
Reviews
1.1K
Latest month sales
B0D3B4P18V
Period Swim Bottoms Leakproof High Waisted Period Swimwear for Women Teens Full Coverage Heavy Flow Menstrual Swimwear
Price
$12.99
Rating
4.0
Reviews
222
Latest month sales
B0D39Z6BZR
Period Swim Bottoms Leakproof Period Swimwear for Women and Teens Menstrual Swimwear Period Underwear for Swimming
Unlock to view ASIN details and product titles
Price
$11.99
Rating
4.2
Reviews
291
Latest month sales
One Amazon dataset. Two ways to use it.
Every number in this period swimsuit report comes from the Amazon market data ASINSIGHT tracks. Pick how you want to work with it.
Explore the full data
Browse the complete, structured picture in a ready-made interface — and keep tracking it as the market moves.
- Organic vs. ad traffic shifts per product
- Hourly rank and search-volume tracking
- Competitor ASINs and historical trends
Starts with a free ASINSIGHT account
Analyze the data your way
Connect the same data to ChatGPT, Claude or Cursor, then combine any dimensions to answer your own questions.
- Combine product, keyword, sales & ranking data freely
- Follow up in your own words, no fixed reports
- Works in ChatGPT, Claude & Cursor
20,000 credits/mo free, no credit card