> ## Documentation Index > Fetch the complete documentation index at: https://docs.amberdata.io/llms.txt > Use this file to discover all available pages before exploring further. # Level 1 Quotes > This endpoint returns the "Level 1" option chain with associated volatilities, greeks and underlying prices. This is the core underlying options data for many analytics.\n\nNote: Due to the density of data historical date ranges are limited to 60x 1-minute or 24x 1 hour intervals, per call. If no date range is passed, the most recent option chain will be returned. USA Trading hours are 14:30:00 - 21:00:00 UTC (9:30a-4pm ET) ## OpenAPI ````yaml get /analytics/volatility/level-1-quotes/tradfi openapi: 3.1.0 info: title: derivatives-api version: '2' servers: - url: https://api.amberdata.com/markets/derivatives security: - sec0: [] paths: /analytics/volatility/level-1-quotes/tradfi: get: summary: Level 1 Quotes description: >- This endpoint returns the "Level 1" option chain with associated volatilities, greeks and underlying prices. This is the core underlying options data for many analytics.\n\nNote: Due to the density of data historical date ranges are limited to 60x 1-minute or 24x 1 hour intervals, per call. If no date range is passed, the most recent option chain will be returned. USA Trading hours are 14:30:00 - 21:00:00 UTC (9:30a-4pm ET) operationId: tradfi-volatility-level-1-quotes parameters: - name: currency in: query description: > **[Required]** The underlying currency for which there are listed option instruments. **[Examples]** ` IBIT | COIN ` required: true schema: type: string default: IBIT - name: instrument in: query description: >- **[Optional]** Users can pass a single instrument in order to retrieve a time series of data for it. **[Examples]** ` IBIT-20DEC24-50-C` required: false schema: type: string - name: isAtm in: query description: >- **[Optional]** Users can pass an isAtm flag in order to return only ATM (at-the-money) options **[Examples]** `TRUE | FALSE` required: false schema: type: boolean - name: startDate in: query description: >- **[Optional]** Payload only includes data after this date (inclusive). **[Formats]** `seconds | milliseconds | iso8601` **[Examples]** `1578531600 | 1578531600000 | 2020-09-01T01:00:00` required: false schema: type: string format: date-time - name: endDate in: query description: >- **[Optional]** Payload only includes data before this date (exclusive). **[Formats]** `seconds | milliseconds | iso8601` **[Examples]** `1578531600 | 1578531600000 | 2020-09-01T01:00:00` required: false schema: type: string format: date-time - name: expiration in: query description: >- **[Optional]** The option instrument subset with a given expiration date. **[Examples]** ` 2027-01-15` required: false schema: type: string - name: strike in: query description: >- **[Optional]** The option instrument subset with a given strike price. **[Examples]** ` 50 | 100 ` required: false schema: type: integer format: int32 - name: putCall in: query description: >- **[Optional]** The option instrument subset that's either a call (C) or put (P). **[Examples]** ` P | C ` required: false schema: type: string - name: timeInterval in: query required: false description: >- **[Optional]** Time interval of data frequency for the selected date range. **[Examples]** `minute | hour | day` **[Note]** Due to the density of data historical date ranges are limited to 60x 1-minute or 24x 1 hour intervals, per call. schema: type: string - name: timeFormat in: query description: >- **[Optional]** Time format of the timestamps in the return payload. **[Defaults]** `milliseconds | ms* | iso | iso8601 | hr | human_readable` schema: type: string default: hr - name: minStrike in: query required: false description: |- **[Optional]** The option with strikes at or above the minStrike. **[Examples]** ` 50 | 100 ` schema: type: integer - name: maxStrike in: query required: false description: |- **[Optional]** The option with strikes at or below the maxStrike. **[Examples]** ` 50 | 100 ` schema: type: integer - name: minDaysToExpiration in: query required: false description: >- **[Optional]** The option with days to expiration at or above the minDaysToExpiration. **[Examples]** ` 50 | 100 ` schema: type: integer - name: maxDaysToExpiration in: query required: false description: >- **[Optional]** The option with days to expiration at or below the maxDaysToExpiration. **[Examples]** ` 50 | 100 ` schema: type: integer responses: '200': description: '200' content: application/json: schema: type: object properties: status: type: integer title: type: string description: type: string payload: type: object examples: Result: value: status: 200 title: OK description: Successful request payload: data: - ask: 0.05 askIv: 88.46 askVolume: null bid: null bidIv: null bidVolume: null currency: IBIT delta: -0.00874 exchange: tradfi exchangeTimestamp: '2024-11-19T17:21:07.138Z' expirationTimestamp: '2024-12-20T00:00:00.000Z' gamma: 0.00177 indexPrice: 52.735 instrument: IBIT-20DEC24-30-P instrumentNormalized: TRADFI-IBIT-20DEC24-30-P isAtm: false isCarryForward: false isExchangeProvidedGreeks: true markIv: 86.44 markPrice: 0.04253 multiplier: 100 openInterest: null openInterestUSD: null putCall: P rho: -0.00044 strike: 30 theta: -0.00693 timestamp: '2024-11-19T17:20:00.000Z' underlyingPrice: 0.05056 vega: 0.00368 volume: null volumeUSD: null - ask: 23.5 askIv: 184.05 askVolume: null bid: 21 bidIv: null bidVolume: null currency: IBIT delta: 0.99725 exchange: tradfi exchangeTimestamp: '2024-11-19T17:20:31.888Z' expirationTimestamp: '2024-12-20T00:00:00.000Z' gamma: 0.00151 indexPrice: 52.805 instrument: IBIT-20DEC24-30-C instrumentNormalized: TRADFI-IBIT-20DEC24-30-C isAtm: false isCarryForward: false isExchangeProvidedGreeks: true markIv: 83.45 markPrice: 23.19409 multiplier: 100 openInterest: null openInterestUSD: null putCall: C rho: 0.02558 strike: 30 theta: -0.00085 timestamp: '2024-11-19T17:20:00.000Z' underlyingPrice: 0.05056 vega: 0.00304 volume: null volumeUSD: null - ask: 0.1 askIv: 95.29 askVolume: null bid: null bidIv: null bidVolume: null currency: IBIT delta: -0.01056 exchange: tradfi exchangeTimestamp: '2024-11-19T17:21:07.128Z' expirationTimestamp: '2024-12-20T00:00:00.000Z' gamma: 0.00214 indexPrice: 52.735 instrument: IBIT-20DEC24-31-P instrumentNormalized: TRADFI-IBIT-20DEC24-31-P isAtm: false isCarryForward: false isExchangeProvidedGreeks: true markIv: 83.99 markPrice: 0.0509 multiplier: 100 openInterest: null openInterestUSD: null putCall: P rho: -0.00053 strike: 31 theta: -0.00797 timestamp: '2024-11-19T17:20:00.000Z' underlyingPrice: 0.05056 vega: 0.00435 volume: null volumeUSD: null - ask: 23.5 askIv: 413.65 askVolume: null bid: 20.2 bidIv: null bidVolume: null currency: IBIT delta: 0.99503 exchange: tradfi exchangeTimestamp: '2024-11-19T17:20:23.666Z' expirationTimestamp: '2024-12-20T00:00:00.000Z' gamma: 0.00194 indexPrice: 52.815 instrument: IBIT-20DEC24-31-C instrumentNormalized: TRADFI-IBIT-20DEC24-31-C isAtm: false isCarryForward: false isExchangeProvidedGreeks: true markIv: 82.15 markPrice: 22.21807 multiplier: 100 openInterest: null openInterestUSD: null putCall: C rho: 0.02633 strike: 31 theta: -0.00247 timestamp: '2024-11-19T17:20:00.000Z' underlyingPrice: 0.05056 vega: 0.00387 volume: null volumeUSD: null - ask: 0.1 askIv: 89.27 askVolume: null bid: null bidIv: null bidVolume: null currency: IBIT delta: -0.01272 exchange: tradfi exchangeTimestamp: '2024-11-19T17:21:07.138Z' expirationTimestamp: '2024-12-20T00:00:00.000Z' gamma: 0.00259 indexPrice: 52.735 instrument: IBIT-20DEC24-32-P instrumentNormalized: TRADFI-IBIT-20DEC24-32-P isAtm: false isCarryForward: false isExchangeProvidedGreeks: true markIv: 81.58 markPrice: 0.06072 multiplier: 100 openInterest: null openInterestUSD: null putCall: P rho: -0.00064 strike: 32 theta: -0.00913 timestamp: '2024-11-19T17:20:00.000Z' underlyingPrice: 0.05056 vega: 0.00511 volume: null volumeUSD: null '400': description: '400' content: application/json: examples: Result: value: {} schema: type: object properties: {} deprecated: false security: - ApiKeyAuth: [] components: securitySchemes: ApiKeyAuth: type: apiKey in: header name: x-api-key ````