> ## Documentation Index > Fetch the complete documentation index at: https://docs.activeviam.com/llms.txt > Use this file to discover all available pages before exploring further. # Retrieve ETF premiums across a date range. > Use this operation to retrieve ETF premium observations for requested instruments over an inclusive date range. Results can include data from authorised provider and organisation scopes, with Derivitec fallback; unsupported identifiers or missing series are reported per instrument while other available series can still be returned. ## OpenAPI ````yaml /risk-and-pricing/atoti-risk-services/apis-endpoints/openapi/openapi.mintlify.json post /api/MarketData/GetEtfPremiums openapi: 3.0.4 info: title: Derivitec Api 1.0 version: '1.0' servers: - url: https://api.riskportal.activeviam.com security: - oauth2: [] - apikey: [] tags: - name: AdminUser - name: AtotiReport - name: AtotiSession - name: BloombergOAuth - name: Bond - name: BondYieldCurvePage - name: BookAccess - name: Books - name: Commodity - name: Counterparties - name: Currencies - name: Equity - name: EquityDividend - name: EquityPage - name: FeatureFlag - name: Fx - name: FxPage - name: GroupAccess - name: Home - name: LegacyPosition - name: MarketData - name: MarketDataProvider - name: MarketDataProviderAccess - name: Meta - name: Notification - name: Organisation - name: PnLReport - name: PortfolioAccess - name: Portfolios - name: Position - name: PositionFilter - name: PricingEnvironment - name: PricingEnvironmentAccess - name: RateAsset - name: RateAssetPage - name: Report - name: ReportDefinition - name: ReportHistoryLauncherQuery - name: ReportLauncher - name: ReportQuery - name: ReportQueryViewUser - name: ReportRestriction - name: ReportView - name: RiskReport - name: Tradable - name: TradeBooking - name: User - name: VarReport - name: VarReportQuery - name: YieldCurvePage paths: /api/MarketData/GetEtfPremiums: post: tags: - MarketData summary: Retrieve ETF premiums across a date range. description: >- Use this operation to retrieve ETF premium observations for requested instruments over an inclusive date range. Results can include data from authorised provider and organisation scopes, with Derivitec fallback; unsupported identifiers or missing series are reported per instrument while other available series can still be returned. operationId: GetEtfPremiums requestBody: description: >- The query payload containing ETF `Identifiers`, inclusive date-only `StartDate` and `EndDate` bounds, and optional provider or environment scope. content: application/json-patch+json: schema: $ref: '#/components/schemas/ApiGetEtfPremiumsRequest' application/json: schema: $ref: '#/components/schemas/ApiGetEtfPremiumsRequest' text/json: schema: $ref: '#/components/schemas/ApiGetEtfPremiumsRequest' application/*+json: schema: $ref: '#/components/schemas/ApiGetEtfPremiumsRequest' responses: '200': description: >- Returns available premium observations keyed by the supplied ETF identifiers, together with unsupported-identifier, missing-data, or retrieval errors. content: application/json: schema: $ref: '#/components/schemas/ApiGetEtfPremiumsResponse' '400': description: BadRequest '401': description: Unauthorized '403': description: Forbidden security: - oauth2: [] - apikey: [] components: schemas: ApiGetEtfPremiumsRequest: required: - $type type: object properties: market_data_environment_name: type: string description: >- Name of the market-data environment to use. Supply either this name or `provider_id`, not both. nullable: true example: Example market data provider_id: type: string description: >- Opaque identifier of the market-data provider to use. Supply either this identifier or `market_data_environment_name`, not both. nullable: true identifiers: type: array items: $ref: '#/components/schemas/InstrumentIdentifier' description: Instrument selectors whose etf premiums are requested. nullable: true start_date: type: string description: Inclusive lower date-only boundary for the requested observations. format: date-time end_date: type: string description: Inclusive upper date-only boundary for the requested observations. format: date-time $type: type: string enum: - >- Derivitec.Web.Core.MarketData.ApiGetEtfPremiumsRequest, Derivitec.Web.Core additionalProperties: false description: Queries dated ETF premium observations by instrument and date range. ApiGetEtfPremiumsResponse: required: - $type type: object properties: is_success: type: boolean description: >- Whether the operation completed successfully. The default is `true`; error outcomes set it to `false`. example: true error_messages: type: array items: type: string description: >- Messages explaining operation-level failures. The collection is empty by default. nullable: true etf_premiums: type: array items: $ref: >- #/components/schemas/InstrumentIdentifierEtfPremiumIEnumerableKeyValuePair description: ETF premium observations returned by the query. nullable: true $type: type: string enum: - >- Derivitec.Web.Core.MarketData.ApiGetEtfPremiumsResponse, Derivitec.Web.Core additionalProperties: false description: Returns dated ETF premium observations. InstrumentIdentifier: description: >- Instrument code qualified by an identifier namespace and optional market code. discriminator: propertyName: $type mapping: Derivitec.Web.Core.MarketData.InstrumentIdentifier, Derivitec.Web.Core: '#/components/schemas/InstrumentIdentifierMintlifyShape' Derivitec.Web.Core.MarketData.InstrumentInfo, Derivitec.Web.Core: '#/components/schemas/InstrumentInfo' oneOf: - $ref: '#/components/schemas/InstrumentIdentifierMintlifyShape' - $ref: '#/components/schemas/InstrumentInfo' InstrumentIdentifierEtfPremiumIEnumerableKeyValuePair: type: object properties: key: $ref: '#/components/schemas/InstrumentIdentifier' value: type: array items: $ref: '#/components/schemas/EtfPremium' nullable: true additionalProperties: false InstrumentIdentifierMintlifyShape: required: - $type type: object properties: code: type: string description: Instrument code interpreted in the selected identifier namespace. nullable: true identifier_type: enum: - Derivitec - Ric - Bloomberg - Isin - Figi - Sedol - RedCode - RedPairCode - BloombergYellow - XIgniteCode - CBondsId - EdiSecId - EdiSymbol - Cusip - NotSet type: string description: Namespace that determines how the instrument code is interpreted. market_identification_code: type: string description: >- Optional market identification code that further qualifies the instrument code. nullable: true $type: type: string enum: - >- Derivitec.Web.Core.MarketData.InstrumentIdentifier, Derivitec.Web.Core additionalProperties: false description: >- Instrument code qualified by an identifier namespace and optional market code. InstrumentInfo: required: - $type type: object properties: code: type: string description: Instrument code interpreted in the selected identifier namespace. nullable: true identifier_type: enum: - Derivitec - Ric - Bloomberg - Isin - Figi - Sedol - RedCode - RedPairCode - BloombergYellow - XIgniteCode - CBondsId - EdiSecId - EdiSymbol - Cusip - NotSet type: string description: Namespace that determines how the instrument code is interpreted. market_identification_code: type: string description: >- Optional market identification code that further qualifies the instrument code. nullable: true name: type: string description: Human-readable name of the identified instrument. nullable: true $type: type: string enum: - Derivitec.Web.Core.MarketData.InstrumentInfo, Derivitec.Web.Core additionalProperties: false description: Instrument identifier with a human-readable instrument name. EtfPremium: required: - $type type: object properties: provider_id: type: string description: >- Market-data provider code recorded as the source of the contribution. Defaults to Derivitec. nullable: true derivitec_created: type: string description: Timestamp at which the market-data record was created. derivitec_modified: type: string description: Optional timestamp of the record's latest modification. nullable: true uploaded_date_time: type: string description: >- Optional timestamp at which the contribution was uploaded. UploadRateAssets ignores the supplied value on each rate asset and stores the current UTC time. nullable: true derivitec_modified_by: type: string description: >- Principal recorded as the latest modifier. UploadRateAssets ignores the supplied value on each rate asset and stores the authenticated user identifier. nullable: true uploaded_by: type: string description: >- Principal recorded as the uploader. UploadRateAssets ignores the supplied value on each rate asset and stores the authenticated user identifier. nullable: true rolled: type: boolean description: Whether the contribution has been rolled. example: false date: type: string description: Date of the ETF premium observation. format: date-time identifier: $ref: '#/components/schemas/InstrumentIdentifier' premium: type: number description: >- Decimal ETF premium greater than -1; zero removes the effective premium for the provider, ETF, and date. format: double $type: type: string enum: - Derivitec.Web.Core.MarketData.EtfPremium, Derivitec.Web.Core additionalProperties: false description: Dated premium observation for an identified exchange-traded fund. securitySchemes: oauth2: type: oauth2 description: >- OAuth2 access-token requested from AWS Cognito and provided as a Auth Bearer header flows: implicit: authorizationUrl: https://auth.riskportal.derivitec.com/oauth2/authorize scopes: {} apikey: type: apiKey description: API-Key requested via the site and provided as a header name: x-api-key in: header ````