Trader-volume concentration for a builder - Struct Docs

Trader-volume concentration for a builder

curl --request GET \
  --url https://api.struct.to/v1/polymarket/builders/{builder_code}/concentration

const options = {method: 'GET'};

fetch('https://api.struct.to/v1/polymarket/builders/{builder_code}/concentration', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.struct.to/v1/polymarket/builders/{builder_code}/concentration",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://api.struct.to/v1/polymarket/builders/{builder_code}/concentration"

	req, _ := http.NewRequest("GET", url, nil)

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

require 'uri'
require 'net/http'

url = URI("https://api.struct.to/v1/polymarket/builders/{builder_code}/concentration")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)

response = http.request(request)
puts response.read_body

{
  "builder_code": "<string>",
  "total_volume_usd": 123,
  "total_traders": 123,
  "top1_volume_usd": 123,
  "top10_volume_usd": 123,
  "top100_volume_usd": 123,
  "top1k_volume_usd": 123,
  "top10k_volume_usd": 123,
  "top1_share": 123,
  "top10_share": 123,
  "top100_share": 123,
  "top1k_share": 123,
  "top10k_share": 123
}

GET

/

polymarket

/

builders

/

{builder_code}

/

concentration

Trader-volume concentration for a builder

curl --request GET \
  --url https://api.struct.to/v1/polymarket/builders/{builder_code}/concentration

const options = {method: 'GET'};

fetch('https://api.struct.to/v1/polymarket/builders/{builder_code}/concentration', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.struct.to/v1/polymarket/builders/{builder_code}/concentration",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://api.struct.to/v1/polymarket/builders/{builder_code}/concentration"

	req, _ := http.NewRequest("GET", url, nil)

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

require 'uri'
require 'net/http'

url = URI("https://api.struct.to/v1/polymarket/builders/{builder_code}/concentration")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)

response = http.request(request)
puts response.read_body

{
  "builder_code": "<string>",
  "total_volume_usd": 123,
  "total_traders": 123,
  "top1_volume_usd": 123,
  "top10_volume_usd": 123,
  "top100_volume_usd": 123,
  "top1k_volume_usd": 123,
  "top10k_volume_usd": 123,
  "top1_share": 123,
  "top10_share": 123,
  "top100_share": 123,
  "top1k_share": 123,
  "top10k_share": 123
}

Path Parameters

builder_code

string

required

Builder code.

Query Parameters

timeframe

enum<string>

Window: lifetime, 1d (24h), 7d, 30d (1mo). Default: 1d Time window for cumulative builder stats.

Available options:

lifetime,

1d,

7d,

30d

Response

200 - application/json

Concentration metrics

builder_code

string

required

The builder this response is about. Always populated, even when the builder has no activity in the window (the rest of the fields are 0).

total_volume_usd

number<double>

required

Total volume in the window across every trader of this builder.

total_traders

integer<int64>

required

Total traders that routed through this builder in the window.

top1_volume_usd

number<double>

required

Volume routed by the single biggest trader.

top10_volume_usd

number<double>

required

Volume routed by the top-10 traders.

top100_volume_usd

number<double>

required

Volume routed by the top-100 traders.

top1k_volume_usd

number<double>

required

Volume routed by the top-1k traders.

top10k_volume_usd

number<double>

required

Volume routed by the top-10k traders.

Top-1 share — fraction of total volume held by the single biggest trader.

Top-10 share.

Top-100 share.

Top-1k share.

Top-10k share.

Last modified on August 7, 2026