> ## Documentation Index > Fetch the complete documentation index at: https://v3.docs.derive.xyz/llms.txt > Use this file to discover all available pages before exploring further. # Get the ticker for one instrument > Returns the latest ticker snapshot for a single instrument named by `instrument_name`. The payload matches the data of a `ticker_slim.{instrument}.{interval}` subscription update (mark/index prices, best bid/ask, sizes, greeks, and related fields). Returns an error if no ticker is available. Public endpoint. ## OpenAPI ````yaml /openapi.json post /public/get_ticker openapi: 3.1.0 info: title: Derive v3 API version: 0.2.0 description: JSON-RPC 2.0 methods, served over WebSocket and HTTP POST. servers: - url: https://api.derive.xyz/v3 description: Production (HTTP POST base) - url: https://testnet.api.derive.xyz/v3 description: Testnet (HTTP POST base) security: [] tags: - name: Subaccounts description: >- List, inspect, and label subaccounts, portfolios, positions, and collateral. - name: Session Keys description: Register, edit, and list delegated signing keys. - name: Account description: Wallet-level account information and settings. - name: Orderbook description: Place, replace, cancel, and query orders, trigger orders, and algos. - name: RFQ description: 'Request-for-quote: send RFQs, quote, and execute block trades.' - name: Vault Shareholders description: >- Deposit into and withdraw from vaults, and track shares, requests, and performance. - name: Vault Curators description: >- Create and operate curated vaults: settle deposit and withdrawal requests, and manage vault metadata. - name: History description: >- Per-account historical records: orders, trades, transfers, and settlements. - name: Market Maker Protection description: Configure, read, and reset market-maker protection. - name: Transfers & Withdrawals description: Move collateral between subaccounts, to other wallets, and on-chain. - name: System description: Rate limits and transaction lookups. - name: Market Data description: Instruments, currencies, tickers, and market-wide feeds. - name: Referrals description: Referral codes and program performance. - name: Other description: Uncategorized. paths: /public/get_ticker: post: tags: - Market Data summary: Get the ticker for one instrument description: >- Returns the latest ticker snapshot for a single instrument named by `instrument_name`. The payload matches the data of a `ticker_slim.{instrument}.{interval}` subscription update (mark/index prices, best bid/ask, sizes, greeks, and related fields). Returns an error if no ticker is available. Public endpoint. operationId: public_get_ticker requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/GetTickerRequest' responses: '200': description: Success content: application/json: schema: $ref: '#/components/schemas/TickerSlimSnapshot' default: description: JSON-RPC error (see Error Codes) components: schemas: GetTickerRequest: type: object required: - instrument_name properties: instrument_name: type: string TickerSlimSnapshot: type: object required: - A - B - I - M - a - b - maxp - minp - stats - t properties: A: description: Amount of contracts / tokens available at the best ask price. type: string B: description: Amount of contracts / tokens available at the best bid price. type: string I: description: Index price. type: string M: description: Mark price. type: string a: description: Best ask price. type: string b: description: Best bid price. type: string f: description: Current hourly funding rate (perpetuals only; `null` otherwise). type: - string - 'null' maxp: description: >- Maximum price at which an aggressive buyer can be matched. Any portion of a market order that would execute above this price is cancelled. A limit buy order with limit price above this value is treated as post only (i.e. it is rejected if it would cross any existing resting order). type: string minp: description: >- Minimum price at which an aggressive seller can be matched. Any portion of a market order that would execute below this price is cancelled. A limit sell order with limit price below this value is treated as post only (i.e. it is rejected if it would cross any existing resting order). type: string option_pricing: description: Option greeks and implied vols (options only; `null` otherwise). anyOf: - $ref: '#/components/schemas/OptionPricing' - type: 'null' stats: $ref: '#/components/schemas/DailyTradingStatistics' description: Trailing 24-hour trading statistics. t: description: Snapshot creation timestamp, in milliseconds since the Unix epoch. type: integer format: int64 OptionPricing: type: object required: - ai - bi - d - df - f - g - i - m - r - t - v properties: ai: description: Implied volatility of the current best ask. type: string bi: description: Implied volatility of the current best bid. type: string d: description: Delta of the option. type: string df: description: Discount factor used to calculate the option premium. type: string f: description: Forward price used to calculate the option premium. type: string g: description: Gamma of the option. type: string i: description: Implied volatility of the option. type: string m: description: Mark price of the option. type: string r: description: Rho of the option. type: string t: description: Theta of the option. type: string v: description: Vega of the option. type: string DailyTradingStatistics: type: object required: - c - h - l - 'n' - oi - p - pr - v properties: c: description: Number of contracts traded during last 24 hours type: string format: decimal h: description: Highest trade price during last 24h type: string format: decimal l: description: Lowest trade price during last 24h type: string format: decimal 'n': description: Number of trades during last 24h type: integer format: uint64 minimum: 0 oi: description: Current total open interest type: string format: decimal p: description: >- Options: 24hr percent change in premium; Perps: 24hr percent change in mark price type: string format: decimal pr: description: Premium volume traded during last 24 hours type: string format: decimal v: description: Notional volume traded during last 24 hours type: string format: decimal ```` ## Related topics - [Get tickers for a currency and type](/api-reference/market-data/get-tickers-for-a-currency-and-type.md) - [Ticker slim](/api-reference/channels/tickerslim.md) - [Instrument Names](/trading/instrument-names.md)