TWSE Top 20 Securities by Trading Volume (Taiwan Stock Exchange)
twseopenapi/twse-top-volume-securities
The 20 securities (stocks and ETFs) with the highest trading volume on the Taiwan Stock Exchange's latest trading day, ranked: code, name, shares traded, transactions, open, high, low and close prices, price direction and change, and the last best bid and ask. Takes no input. Always 20 rows. Dates in this tool are Gregorian (20261019), unlike the Republic of China dates of the sibling tools. Every number comes back as a string and security names are in Traditional Chinese. Data from the Taiwan Stock Exchange as served by Eden Engine, not an official TWSE product.
Price
$0.0026 per call
You pay the price shown. If a call turns out to cost more than its quote, you pay the actual price, capped at twice the quote. No monthly minimum. Top-ups start at $5.
Data source
Data from the Taiwan Stock Exchange (TWSE) OpenAPI (openapi.twse.com.tw), published under the Open Government Data License, version 1.0 of the Republic of China (Taiwan) (https://data.gov.tw/en/license). Served by Eden Engine; not an official Taiwan Stock Exchange product.
Use it
Five steps: search, inspect, learn, run, settle. No per-tool setup; your agent reaches this tool through the meta-tools it already has.
Connect once and your AI can find and run this tool, and any other it needs.
// 1. search: find the tool
omnial_search({ query: "what you need" })
// 2. inspect: price and input schema
omnial_inspect({ tool: "twseopenapi/twse-top-volume-securities" })
// 3. learn: read the usage guide at runtime
omnial_learn({ tool: "twseopenapi/twse-top-volume-securities" })
// 4. run: price the exact call first, then run it
omnial_execute({ tool: "twseopenapi/twse-top-volume-securities", input: { /* see input_schema */ }, dry_run: true })
omnial_execute({ tool: "twseopenapi/twse-top-volume-securities", input: { /* ... */ } })
// 5. settle: the call is charged when it finishes, nothing to doNot connected yet? Point your MCP client at https://mcp.eden-engine.com/mcp, then copy a config for your client.
Pricing
Every charge this tool can incur.
| Charge | Price |
|---|---|
Per call | $0.0026 |
- Updated
- Oct 20, 2026
Input and output schemas
Input schema
{
"type": "object",
"properties": {},
"additionalProperties": false
}Output schema
{
"type": "object",
"required": [
"results"
],
"properties": {
"results": {
"type": "array",
"items": {
"type": "object",
"required": [
"Rank",
"Code"
],
"properties": {
"Dir": {
"type": "string",
"description": "Direction of the change: + up, - down, or blank when unchanged."
},
"Code": {
"type": "string",
"description": "Security code, such as 00406A or 2330."
},
"Date": {
"type": "string",
"description": "Trading date, Gregorian YYYYMMDD, such as 20261019."
},
"Name": {
"type": "string",
"description": "Security name in Traditional Chinese."
},
"Rank": {
"type": "string",
"description": "Rank by volume, 1 to 20."
},
"Change": {
"type": "string",
"description": "Size of the price change (unsigned; see Dir)."
},
"LowestPrice": {
"type": "string",
"description": "Lowest price."
},
"TradeVolume": {
"type": "string",
"description": "Shares traded, as a string of digits."
},
"Transaction": {
"type": "string",
"description": "Number of transactions."
},
"ClosingPrice": {
"type": "string",
"description": "Closing price."
},
"HighestPrice": {
"type": "string",
"description": "Highest price."
},
"OpeningPrice": {
"type": "string",
"description": "Opening price in New Taiwan dollars."
},
"LastBestAskPrice": {
"type": "string",
"description": "Last best ask price."
},
"LastBestBidPrice": {
"type": "string",
"description": "Last best bid price."
}
},
"description": "One ranked security. Columns beyond those listed pass through unchanged.",
"additionalProperties": true
},
"description": "One entry per row."
}
},
"description": "The rows TWSE returned, in its order.",
"additionalProperties": false
}