Screen for compression patterns
curl --request POST \
--url https://api.example.com/api/graph/v1/compression/screener \
--header 'Content-Type: application/json' \
--data '
{
"days": 30,
"min_nr7_count": 0,
"is_nr7_today": true,
"min_inside_day_count": 0,
"is_inside_day_today": true,
"min_compression_score": 50,
"max_atr_compression_ratio": 1,
"min_vcp_contractions": 0,
"limit": 100,
"offset": 0
}
'import requests
url = "https://api.example.com/api/graph/v1/compression/screener"
payload = {
"days": 30,
"min_nr7_count": 0,
"is_nr7_today": True,
"min_inside_day_count": 0,
"is_inside_day_today": True,
"min_compression_score": 50,
"max_atr_compression_ratio": 1,
"min_vcp_contractions": 0,
"limit": 100,
"offset": 0
}
headers = {"Content-Type": "application/json"}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'Content-Type': 'application/json'},
body: JSON.stringify({
days: 30,
min_nr7_count: 0,
is_nr7_today: true,
min_inside_day_count: 0,
is_inside_day_today: true,
min_compression_score: 50,
max_atr_compression_ratio: 1,
min_vcp_contractions: 0,
limit: 100,
offset: 0
})
};
fetch('https://api.example.com/api/graph/v1/compression/screener', 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.example.com/api/graph/v1/compression/screener",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'days' => 30,
'min_nr7_count' => 0,
'is_nr7_today' => true,
'min_inside_day_count' => 0,
'is_inside_day_today' => true,
'min_compression_score' => 50,
'max_atr_compression_ratio' => 1,
'min_vcp_contractions' => 0,
'limit' => 100,
'offset' => 0
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.example.com/api/graph/v1/compression/screener"
payload := strings.NewReader("{\n \"days\": 30,\n \"min_nr7_count\": 0,\n \"is_nr7_today\": true,\n \"min_inside_day_count\": 0,\n \"is_inside_day_today\": true,\n \"min_compression_score\": 50,\n \"max_atr_compression_ratio\": 1,\n \"min_vcp_contractions\": 0,\n \"limit\": 100,\n \"offset\": 0\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://api.example.com/api/graph/v1/compression/screener")
.header("Content-Type", "application/json")
.body("{\n \"days\": 30,\n \"min_nr7_count\": 0,\n \"is_nr7_today\": true,\n \"min_inside_day_count\": 0,\n \"is_inside_day_today\": true,\n \"min_compression_score\": 50,\n \"max_atr_compression_ratio\": 1,\n \"min_vcp_contractions\": 0,\n \"limit\": 100,\n \"offset\": 0\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.example.com/api/graph/v1/compression/screener")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n \"days\": 30,\n \"min_nr7_count\": 0,\n \"is_nr7_today\": true,\n \"min_inside_day_count\": 0,\n \"is_inside_day_today\": true,\n \"min_compression_score\": 50,\n \"max_atr_compression_ratio\": 1,\n \"min_vcp_contractions\": 0,\n \"limit\": 100,\n \"offset\": 0\n}"
response = http.request(request)
puts response.read_body{
"total_count": 123,
"lookback_days": 123,
"results": [
{
"symbol": "<string>",
"latest_date": "2023-12-25",
"atr_compression_ratio": 123,
"range_vs_atr_14": 123,
"bb_width_percentile": 123,
"compression_score": 123,
"compression_level": "extreme",
"is_nr7": false,
"is_inside_day": false,
"vcp_contraction_count": 0,
"nr7_count": 0,
"inside_day_count": 0,
"avg_compression_ratio": 123,
"close_price": 123,
"volume": 123,
"relative_volume": 123
}
]
}{
"detail": [
{
"loc": [
"<string>"
],
"msg": "<string>",
"type": "<string>",
"input": "<unknown>",
"ctx": {}
}
]
}Compression
Screen for compression patterns
Find stocks matching compression criteria.
## Available Filters
### NR7 Filters
- **min_nr7_count**: Minimum NR7 days in lookback period
- **is_nr7_today**: Filter for NR7 on most recent day
### Inside Day Filters
- **min_inside_day_count**: Minimum inside days in period
- **is_inside_day_today**: Filter for inside day on most recent day
### Score Filters
- **min_compression_score**: Minimum compression score (0-100)
- **compression_level**: Filter by level (extreme/high/moderate/low/none)
### ATR Compression Filters
- **max_atr_compression_ratio**: Maximum ratio (lower = more compressed)
### VCP Filters
- **min_vcp_contractions**: Minimum VCP contractions
## Example Use Cases
1. **Find stocks in extreme compression:**
```json
{"compression_level": "extreme"}
```
2. **Find stocks with multiple NR7 signals:**
```json
{"min_nr7_count": 3, "days": 30}
```
3. **Find today's NR7 with high compression:**
```json
{"is_nr7_today": true, "min_compression_score": 60}
```
## Performance Target
<500ms response time.
POST
/
api
/
graph
/
v1
/
compression
/
screener
Screen for compression patterns
curl --request POST \
--url https://api.example.com/api/graph/v1/compression/screener \
--header 'Content-Type: application/json' \
--data '
{
"days": 30,
"min_nr7_count": 0,
"is_nr7_today": true,
"min_inside_day_count": 0,
"is_inside_day_today": true,
"min_compression_score": 50,
"max_atr_compression_ratio": 1,
"min_vcp_contractions": 0,
"limit": 100,
"offset": 0
}
'import requests
url = "https://api.example.com/api/graph/v1/compression/screener"
payload = {
"days": 30,
"min_nr7_count": 0,
"is_nr7_today": True,
"min_inside_day_count": 0,
"is_inside_day_today": True,
"min_compression_score": 50,
"max_atr_compression_ratio": 1,
"min_vcp_contractions": 0,
"limit": 100,
"offset": 0
}
headers = {"Content-Type": "application/json"}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'Content-Type': 'application/json'},
body: JSON.stringify({
days: 30,
min_nr7_count: 0,
is_nr7_today: true,
min_inside_day_count: 0,
is_inside_day_today: true,
min_compression_score: 50,
max_atr_compression_ratio: 1,
min_vcp_contractions: 0,
limit: 100,
offset: 0
})
};
fetch('https://api.example.com/api/graph/v1/compression/screener', 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.example.com/api/graph/v1/compression/screener",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'days' => 30,
'min_nr7_count' => 0,
'is_nr7_today' => true,
'min_inside_day_count' => 0,
'is_inside_day_today' => true,
'min_compression_score' => 50,
'max_atr_compression_ratio' => 1,
'min_vcp_contractions' => 0,
'limit' => 100,
'offset' => 0
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.example.com/api/graph/v1/compression/screener"
payload := strings.NewReader("{\n \"days\": 30,\n \"min_nr7_count\": 0,\n \"is_nr7_today\": true,\n \"min_inside_day_count\": 0,\n \"is_inside_day_today\": true,\n \"min_compression_score\": 50,\n \"max_atr_compression_ratio\": 1,\n \"min_vcp_contractions\": 0,\n \"limit\": 100,\n \"offset\": 0\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://api.example.com/api/graph/v1/compression/screener")
.header("Content-Type", "application/json")
.body("{\n \"days\": 30,\n \"min_nr7_count\": 0,\n \"is_nr7_today\": true,\n \"min_inside_day_count\": 0,\n \"is_inside_day_today\": true,\n \"min_compression_score\": 50,\n \"max_atr_compression_ratio\": 1,\n \"min_vcp_contractions\": 0,\n \"limit\": 100,\n \"offset\": 0\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.example.com/api/graph/v1/compression/screener")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n \"days\": 30,\n \"min_nr7_count\": 0,\n \"is_nr7_today\": true,\n \"min_inside_day_count\": 0,\n \"is_inside_day_today\": true,\n \"min_compression_score\": 50,\n \"max_atr_compression_ratio\": 1,\n \"min_vcp_contractions\": 0,\n \"limit\": 100,\n \"offset\": 0\n}"
response = http.request(request)
puts response.read_body{
"total_count": 123,
"lookback_days": 123,
"results": [
{
"symbol": "<string>",
"latest_date": "2023-12-25",
"atr_compression_ratio": 123,
"range_vs_atr_14": 123,
"bb_width_percentile": 123,
"compression_score": 123,
"compression_level": "extreme",
"is_nr7": false,
"is_inside_day": false,
"vcp_contraction_count": 0,
"nr7_count": 0,
"inside_day_count": 0,
"avg_compression_ratio": 123,
"close_price": 123,
"volume": 123,
"relative_volume": 123
}
]
}{
"detail": [
{
"loc": [
"<string>"
],
"msg": "<string>",
"type": "<string>",
"input": "<unknown>",
"ctx": {}
}
]
}Body
application/json
Request parameters for compression screener.
Lookback period in days
Required range:
1 <= x <= 365Minimum NR7 count in lookback period
Required range:
x >= 0Filter for NR7 on most recent day
Minimum inside day count in lookback period
Required range:
x >= 0Filter for inside day on most recent day
Minimum compression score
Required range:
0 <= x <= 100Filter by compression level
Available options:
extreme, high, moderate, low, none Maximum ATR compression ratio (lower = more compressed)
Required range:
x >= 0Minimum VCP contraction count
Required range:
x >= 0Max results to return
Required range:
1 <= x <= 500Results offset for pagination
Required range:
x >= 0Response
Matching stocks with compression data