# Instruments ## Get Instruments `client.V1.Instruments.GetInstruments(ctx, query) (*V1InstrumentGetInstrumentsResponse, error)` **get** `/v1/instruments` Retrieves a list of tradeable instruments. ### Parameters - `query V1InstrumentGetInstrumentsParams` - `EasyToBorrow param.Field[bool]` Filter by easy to borrow status - `InstrumentIDs param.Field[[]string]` Comma-separated OEMS instrument UUIDs - `InstrumentType param.Field[V1InstrumentGetInstrumentsParamsInstrumentType]` Filter by instrument type. OPTION is not supported on this endpoint; use GET /instruments/options/contracts to list option contracts. If omitted, returns all supported instrument types except options. - `const V1InstrumentGetInstrumentsParamsInstrumentTypeCommonStock V1InstrumentGetInstrumentsParamsInstrumentType = "COMMON_STOCK"` - `const V1InstrumentGetInstrumentsParamsInstrumentTypePreferredStock V1InstrumentGetInstrumentsParamsInstrumentType = "PREFERRED_STOCK"` - `const V1InstrumentGetInstrumentsParamsInstrumentTypeOption V1InstrumentGetInstrumentsParamsInstrumentType = "OPTION"` - `const V1InstrumentGetInstrumentsParamsInstrumentTypeCash V1InstrumentGetInstrumentsParamsInstrumentType = "CASH"` - `const V1InstrumentGetInstrumentsParamsInstrumentTypeOther V1InstrumentGetInstrumentsParamsInstrumentType = "OTHER"` - `IsLiquidationOnly param.Field[bool]` Filter by liquidation only status - `IsMarginable param.Field[bool]` Filter by marginable status - `IsRestricted param.Field[bool]` Filter by restricted status - `IsShortProhibited param.Field[bool]` Filter by short prohibited status - `IsThresholdSecurity param.Field[bool]` Filter by threshold security status - `PageSize param.Field[int64]` The number of items to return per page. Only used when page_token is not provided. - `PageToken param.Field[string]` Token for retrieving the next or previous page of results. Contains encoded pagination state; when provided, page_size is ignored. ### Returns - `type V1InstrumentGetInstrumentsResponse struct{…}` - `Data InstrumentCoreList` - `ID string` Unique OEMS instrument identifier (UUID) - `CountryOfIssue string` The ISO country code of the instrument's issue - `Currency string` The ISO currency code in which the instrument is traded - `EasyToBorrow bool` Indicates if the instrument is classified as Easy-To-Borrow - `IsLiquidationOnly bool` Indicates if the instrument is liquidation only and cannot be bought - `IsMarginable bool` Indicates if the instrument is marginable - `IsRestricted bool` Indicates if the instrument is restricted from trading - `IsShortProhibited bool` Indicates if short selling is prohibited for the instrument - `IsThresholdSecurity bool` Indicates if the instrument is on the Regulation SHO Threshold Security List - `IsTradable bool` Indicates if the instrument is tradable - `Symbol string` The trading symbol for the instrument - `Venue string` The MIC code of the primary listing venue - `Adv string` Average daily share volume from the security definition. - `Expiry Time` The expiration date for options instruments - `InstrumentType SecurityType` The type of security (e.g., Common Stock, ETF) - `const SecurityTypeCommonStock SecurityType = "COMMON_STOCK"` - `const SecurityTypePreferredStock SecurityType = "PREFERRED_STOCK"` - `const SecurityTypeOption SecurityType = "OPTION"` - `const SecurityTypeCash SecurityType = "CASH"` - `const SecurityTypeOther SecurityType = "OTHER"` - `LongMarginRate string` The percent of a long position's value you must post as margin - `Name string` The full name of the instrument or its issuer - `NotionalAdv string` Notional ADV (`adv × previous_close`). The primary liquidity signal used by `/instruments/search` ranking. Computed at response time so it stays consistent with whatever `adv` and `previous_close` show. - `PreviousClose string` Last close price from the security definition. - `ShortMarginRate string` The percent of a short position's value you must post as margin - `StrikePrice string` The strike price for options instruments ### Example ```go package main import ( "context" "fmt" "github.com/clear-street/clear-street-go" "github.com/clear-street/clear-street-go/option" ) func main() { client := clearstreet.NewClient( option.WithAPIKey("My API Key"), ) response, err := client.V1.Instruments.GetInstruments(context.TODO(), clearstreet.V1InstrumentGetInstrumentsParams{ }) if err != nil { panic(err.Error()) } fmt.Printf("%+v\n", response) } ``` #### Response ```json { "data": [ { "country_of_issue": "US", "currency": "USD", "easy_to_borrow": true, "id": "0f5a1a4e-5b3e-4d8f-9b7a-2b1d0e3f4a5b", "instrument_type": "COMMON_STOCK", "is_liquidation_only": false, "is_marginable": true, "is_restricted": false, "is_short_prohibited": false, "is_threshold_security": false, "is_tradable": true, "name": "Apple Inc.", "symbol": "AAPL", "venue": "XNMS" } ], "error": null, "metadata": { "next_page_token": "cGFnZT0yJmxhc3Rfc3ltYm9sPUdNRQ==", "page_number": 1, "request_id": "4a5b6c7d-8e9f-0a1b-2c3d-4e5f6a7b8c9d", "total_items": 10, "total_pages": 5 } } ``` ## Get Instrument By ID `client.V1.Instruments.GetInstrumentByID(ctx, instrumentID, query) (*V1InstrumentGetInstrumentByIDResponse, error)` **get** `/v1/instruments/{instrument_id}` Retrieves detailed information for a specific instrument. ### Parameters - `InstrumentID InstrumentIDOrSymbol` OEMS instrument UUID - `query V1InstrumentGetInstrumentByIDParams` - `IncludeOptionsExpiryDates param.Field[bool]` When true, include unique options expiry dates for this instrument ### Returns - `type V1InstrumentGetInstrumentByIDResponse struct{…}` - `Data Instrument` Represents a tradable financial instrument. - `ID string` Unique OEMS instrument identifier (UUID) - `CountryOfIssue string` The ISO country code of the instrument's issue - `Currency string` The ISO currency code in which the instrument is traded - `EasyToBorrow bool` Indicates if the instrument is classified as Easy-To-Borrow - `IsLiquidationOnly bool` Indicates if the instrument is liquidation only and cannot be bought - `IsMarginable bool` Indicates if the instrument is marginable - `IsRestricted bool` Indicates if the instrument is restricted from trading - `IsShortProhibited bool` Indicates if short selling is prohibited for the instrument - `IsThresholdSecurity bool` Indicates if the instrument is on the Regulation SHO Threshold Security List - `IsTradable bool` Indicates if the instrument is tradable - `Symbol string` The trading symbol for the instrument - `Venue string` The MIC code of the primary listing venue - `Adv string` Average daily share volume from the security definition. - `Expiry Time` The expiration date for options instruments - `InstrumentType SecurityType` The type of security (e.g., Common Stock, ETF) - `const SecurityTypeCommonStock SecurityType = "COMMON_STOCK"` - `const SecurityTypePreferredStock SecurityType = "PREFERRED_STOCK"` - `const SecurityTypeOption SecurityType = "OPTION"` - `const SecurityTypeCash SecurityType = "CASH"` - `const SecurityTypeOther SecurityType = "OTHER"` - `LongMarginRate string` The percent of a long position's value you must post as margin - `Name string` The full name of the instrument or its issuer - `NotionalAdv string` Notional ADV (`adv × previous_close`). The primary liquidity signal used by `/instruments/search` ranking. Computed at response time so it stays consistent with whatever `adv` and `previous_close` show. - `OptionsExpiryDates []Time` Available options expiration dates for this instrument. Present only when `include_options_expiry_dates=true` in the request. - `PreviousClose string` Last close price from the security definition. - `ShortMarginRate string` The percent of a short position's value you must post as margin - `StrikePrice string` The strike price for options instruments ### Example ```go package main import ( "context" "fmt" "github.com/clear-street/clear-street-go" "github.com/clear-street/clear-street-go/option" ) func main() { client := clearstreet.NewClient( option.WithAPIKey("My API Key"), ) response, err := client.V1.Instruments.GetInstrumentByID( context.TODO(), "182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e", clearstreet.V1InstrumentGetInstrumentByIDParams{ }, ) if err != nil { panic(err.Error()) } fmt.Printf("%+v\n", response) } ``` #### Response ```json { "data": { "country_of_issue": "US", "currency": "USD", "easy_to_borrow": true, "id": "0f5a1a4e-5b3e-4d8f-9b7a-2b1d0e3f4a5b", "instrument_type": "COMMON_STOCK", "is_liquidation_only": false, "is_marginable": true, "is_restricted": false, "is_short_prohibited": false, "is_threshold_security": false, "is_tradable": true, "long_margin_rate": "0.25", "name": "Apple Inc.", "short_margin_rate": "0.25", "symbol": "AAPL", "venue": "XNMS" }, "error": null, "metadata": { "request_id": "5b6c7d8e-9f0a-1b2c-3d4e-5f6a7b8c9d0e" } } ``` ## Search Instruments `client.V1.Instruments.SearchInstruments(ctx, query) (*V1InstrumentSearchInstrumentsResponse, error)` **get** `/v1/instruments/search` Search instruments by symbol, alternate identifier, or company name. The `q` parameter is case-insensitive and supports ticker symbols, alternate identifiers such as CUSIP, ISIN, OPRA root, and CMS identifiers, and company names for non-option instruments. Results are ranked by match quality plus instrument quality signals including log-scaled ADV, listing status, marginability, easy-to-borrow status, and OTC, restricted, and liquidation-only penalties. Defaults to the `EQUITY` asset class (common stocks, preferred shares, ADRs, ETFs, and exchange-traded mutual funds). Pass `asset_class=OPTION` to search option contracts by symbol or alternate identifier. ### Parameters - `query V1InstrumentSearchInstrumentsParams` - `Q param.Field[string]` Search term applied case-insensitively to ticker symbols, alternate identifiers (CUSIP, ISIN, OPRA root, CMS), and company names for non-option instruments. Option searches match symbols and alternate identifiers. - `AssetClass param.Field[string]` Comma-separated asset classes (EQUITY|OPTION|WARRANT|BOND|FX|OTHER). Defaults to EQUITY. - `Country param.Field[string]` Optional listing-country filter (e.g., US). - `Currency param.Field[string]` Optional ISO currency filter (e.g., USD). - `IncludeInactive param.Field[bool]` Include inactive instruments. Default false. - `IncludeRestricted param.Field[bool]` Include restricted instruments. Default true (penalized in ranking). - `PageSize param.Field[int64]` The number of items to return per page. Only used when page_token is not provided. - `PageToken param.Field[string]` Token for retrieving the next or previous page of results. Contains encoded pagination state; when provided, page_size is ignored. ### Returns - `type V1InstrumentSearchInstrumentsResponse struct{…}` - `Data InstrumentCoreList` - `ID string` Unique OEMS instrument identifier (UUID) - `CountryOfIssue string` The ISO country code of the instrument's issue - `Currency string` The ISO currency code in which the instrument is traded - `EasyToBorrow bool` Indicates if the instrument is classified as Easy-To-Borrow - `IsLiquidationOnly bool` Indicates if the instrument is liquidation only and cannot be bought - `IsMarginable bool` Indicates if the instrument is marginable - `IsRestricted bool` Indicates if the instrument is restricted from trading - `IsShortProhibited bool` Indicates if short selling is prohibited for the instrument - `IsThresholdSecurity bool` Indicates if the instrument is on the Regulation SHO Threshold Security List - `IsTradable bool` Indicates if the instrument is tradable - `Symbol string` The trading symbol for the instrument - `Venue string` The MIC code of the primary listing venue - `Adv string` Average daily share volume from the security definition. - `Expiry Time` The expiration date for options instruments - `InstrumentType SecurityType` The type of security (e.g., Common Stock, ETF) - `const SecurityTypeCommonStock SecurityType = "COMMON_STOCK"` - `const SecurityTypePreferredStock SecurityType = "PREFERRED_STOCK"` - `const SecurityTypeOption SecurityType = "OPTION"` - `const SecurityTypeCash SecurityType = "CASH"` - `const SecurityTypeOther SecurityType = "OTHER"` - `LongMarginRate string` The percent of a long position's value you must post as margin - `Name string` The full name of the instrument or its issuer - `NotionalAdv string` Notional ADV (`adv × previous_close`). The primary liquidity signal used by `/instruments/search` ranking. Computed at response time so it stays consistent with whatever `adv` and `previous_close` show. - `PreviousClose string` Last close price from the security definition. - `ShortMarginRate string` The percent of a short position's value you must post as margin - `StrikePrice string` The strike price for options instruments ### Example ```go package main import ( "context" "fmt" "github.com/clear-street/clear-street-go" "github.com/clear-street/clear-street-go/option" ) func main() { client := clearstreet.NewClient( option.WithAPIKey("My API Key"), ) response, err := client.V1.Instruments.SearchInstruments(context.TODO(), clearstreet.V1InstrumentSearchInstrumentsParams{ Q: "q", }) if err != nil { panic(err.Error()) } fmt.Printf("%+v\n", response) } ``` #### Response ```json { "data": [ { "currency": "USD", "id": "0f5a1a4e-5b3e-4d8f-9b7a-2b1d0e3f4a5b", "instrument_type": "COMMON_STOCK", "is_marginable": true, "name": "Apple Inc.", "symbol": "AAPL", "venue": "XNMS" } ], "error": null, "metadata": { "request_id": "..." } } ``` ## Get Option Contracts `client.V1.Instruments.GetOptionContracts(ctx, query) (*V1InstrumentGetOptionContractsResponse, error)` **get** `/v1/instruments/options/contracts` List options contracts. Returns options contracts for a given underlier with options-specific metadata. Exactly one underlier identifier must be provided. ### Parameters - `query V1InstrumentGetOptionContractsParams` - `ContractType param.Field[ContractType]` Filter by contract type: CALL or PUT - `Expiry param.Field[Time]` Filter to contracts expiring on this date (YYYY-MM-DD) - `PageSize param.Field[int64]` The number of items to return per page. Only used when page_token is not provided. - `PageToken param.Field[string]` Token for retrieving the next or previous page of results. Contains encoded pagination state; when provided, page_size is ignored. - `Underlier param.Field[string]` Underlier symbol (e.g., AAPL, SPX) - `UnderlyingInstrumentID param.Field[InstrumentIDOrSymbol]` OEMS instrument UUID or symbol of the underlying equity/index ### Returns - `type V1InstrumentGetOptionContractsResponse struct{…}` - `Data OptionsContractList` - `ID string` OEMS instrument identifier - `ContractType ContractType` Whether this is a CALL or PUT - `const ContractTypeCall ContractType = "CALL"` - `const ContractTypePut ContractType = "PUT"` - `Currency string` ISO currency code - `Exchange string` MIC code of the primary listing venue - `ExerciseStyle ExerciseStyle` Exercise style - `const ExerciseStyleAmerican ExerciseStyle = "AMERICAN"` - `const ExerciseStyleEuropean ExerciseStyle = "EUROPEAN"` - `Expiry Time` Expiration date - `IsLiquidationOnly bool` Whether the contract is liquidation-only - `IsMarginable bool` Whether the contract is marginable - `IsRestricted bool` Whether the contract is restricted from trading - `ListingType ListingType` Listing type - `const ListingTypeStandard ListingType = "STANDARD"` - `const ListingTypeFlex ListingType = "FLEX"` - `const ListingTypeOtc ListingType = "OTC"` - `Multiplier string` Contract multiplier (100 for standard options) - `StrikePrice string` Strike price - `Symbol string` OSI symbol (e.g. "AAPL 251219C00150000") - `OpenInterest int64` Open interest (number of outstanding contracts), if available - `UnderlyingInstrumentID string` OEMS instrument ID of the underlying instrument, if resolvable ### Example ```go package main import ( "context" "fmt" "github.com/clear-street/clear-street-go" "github.com/clear-street/clear-street-go/option" ) func main() { client := clearstreet.NewClient( option.WithAPIKey("My API Key"), ) response, err := client.V1.Instruments.GetOptionContracts(context.TODO(), clearstreet.V1InstrumentGetOptionContractsParams{ }) if err != nil { panic(err.Error()) } fmt.Printf("%+v\n", response) } ``` #### Response ```json { "data": [ { "contract_type": "CALL", "currency": "USD", "exchange": "BATO", "exercise_style": "AMERICAN", "expiry": "2026-03-20", "id": "b6f4b5e2-94a8-4fe4-9a85-2b4a81d30cc5", "is_liquidation_only": false, "is_marginable": true, "is_restricted": false, "is_tradable": true, "listing_type": "STANDARD", "multiplier": "100", "strike_price": "180", "symbol": "AAPL 260320C00180000", "underlying_instrument_id": "a1a2a3a4-b1b2-c1c2-d1d2-d3d4d5d6d7d8" }, { "contract_type": "PUT", "currency": "USD", "exchange": "BATO", "exercise_style": "AMERICAN", "expiry": "2026-03-20", "id": "c7e5c6f3-a5b9-5gf5-0b96-3c5b92e41dd6", "is_liquidation_only": false, "is_marginable": true, "is_restricted": false, "is_tradable": true, "listing_type": "STANDARD", "multiplier": "100", "strike_price": "180", "symbol": "AAPL 260320P00180000", "underlying_instrument_id": "a1a2a3a4-b1b2-c1c2-d1d2-d3d4d5d6d7d8" } ], "metadata": { "page_number": 1, "request_id": "c2d0429d-c629-4ee1-b719-df007157f3bb", "total_items": 2, "total_pages": 1 } } ``` ## Domain Types ### Contract Type - `type ContractType string` The type of options contract - `const ContractTypeCall ContractType = "CALL"` - `const ContractTypePut ContractType = "PUT"` ### Exercise Style - `type ExerciseStyle string` The exercise style of an options contract - `const ExerciseStyleAmerican ExerciseStyle = "AMERICAN"` - `const ExerciseStyleEuropean ExerciseStyle = "EUROPEAN"` ### Instrument - `type Instrument struct{…}` Represents a tradable financial instrument. - `ID string` Unique OEMS instrument identifier (UUID) - `CountryOfIssue string` The ISO country code of the instrument's issue - `Currency string` The ISO currency code in which the instrument is traded - `EasyToBorrow bool` Indicates if the instrument is classified as Easy-To-Borrow - `IsLiquidationOnly bool` Indicates if the instrument is liquidation only and cannot be bought - `IsMarginable bool` Indicates if the instrument is marginable - `IsRestricted bool` Indicates if the instrument is restricted from trading - `IsShortProhibited bool` Indicates if short selling is prohibited for the instrument - `IsThresholdSecurity bool` Indicates if the instrument is on the Regulation SHO Threshold Security List - `IsTradable bool` Indicates if the instrument is tradable - `Symbol string` The trading symbol for the instrument - `Venue string` The MIC code of the primary listing venue - `Adv string` Average daily share volume from the security definition. - `Expiry Time` The expiration date for options instruments - `InstrumentType SecurityType` The type of security (e.g., Common Stock, ETF) - `const SecurityTypeCommonStock SecurityType = "COMMON_STOCK"` - `const SecurityTypePreferredStock SecurityType = "PREFERRED_STOCK"` - `const SecurityTypeOption SecurityType = "OPTION"` - `const SecurityTypeCash SecurityType = "CASH"` - `const SecurityTypeOther SecurityType = "OTHER"` - `LongMarginRate string` The percent of a long position's value you must post as margin - `Name string` The full name of the instrument or its issuer - `NotionalAdv string` Notional ADV (`adv × previous_close`). The primary liquidity signal used by `/instruments/search` ranking. Computed at response time so it stays consistent with whatever `adv` and `previous_close` show. - `OptionsExpiryDates []Time` Available options expiration dates for this instrument. Present only when `include_options_expiry_dates=true` in the request. - `PreviousClose string` Last close price from the security definition. - `ShortMarginRate string` The percent of a short position's value you must post as margin - `StrikePrice string` The strike price for options instruments ### Instrument Core - `type InstrumentCore struct{…}` - `ID string` Unique OEMS instrument identifier (UUID) - `CountryOfIssue string` The ISO country code of the instrument's issue - `Currency string` The ISO currency code in which the instrument is traded - `EasyToBorrow bool` Indicates if the instrument is classified as Easy-To-Borrow - `IsLiquidationOnly bool` Indicates if the instrument is liquidation only and cannot be bought - `IsMarginable bool` Indicates if the instrument is marginable - `IsRestricted bool` Indicates if the instrument is restricted from trading - `IsShortProhibited bool` Indicates if short selling is prohibited for the instrument - `IsThresholdSecurity bool` Indicates if the instrument is on the Regulation SHO Threshold Security List - `IsTradable bool` Indicates if the instrument is tradable - `Symbol string` The trading symbol for the instrument - `Venue string` The MIC code of the primary listing venue - `Adv string` Average daily share volume from the security definition. - `Expiry Time` The expiration date for options instruments - `InstrumentType SecurityType` The type of security (e.g., Common Stock, ETF) - `const SecurityTypeCommonStock SecurityType = "COMMON_STOCK"` - `const SecurityTypePreferredStock SecurityType = "PREFERRED_STOCK"` - `const SecurityTypeOption SecurityType = "OPTION"` - `const SecurityTypeCash SecurityType = "CASH"` - `const SecurityTypeOther SecurityType = "OTHER"` - `LongMarginRate string` The percent of a long position's value you must post as margin - `Name string` The full name of the instrument or its issuer - `NotionalAdv string` Notional ADV (`adv × previous_close`). The primary liquidity signal used by `/instruments/search` ranking. Computed at response time so it stays consistent with whatever `adv` and `previous_close` show. - `PreviousClose string` Last close price from the security definition. - `ShortMarginRate string` The percent of a short position's value you must post as margin - `StrikePrice string` The strike price for options instruments ### Instrument Core List - `type InstrumentCoreList []InstrumentCore` - `ID string` Unique OEMS instrument identifier (UUID) - `CountryOfIssue string` The ISO country code of the instrument's issue - `Currency string` The ISO currency code in which the instrument is traded - `EasyToBorrow bool` Indicates if the instrument is classified as Easy-To-Borrow - `IsLiquidationOnly bool` Indicates if the instrument is liquidation only and cannot be bought - `IsMarginable bool` Indicates if the instrument is marginable - `IsRestricted bool` Indicates if the instrument is restricted from trading - `IsShortProhibited bool` Indicates if short selling is prohibited for the instrument - `IsThresholdSecurity bool` Indicates if the instrument is on the Regulation SHO Threshold Security List - `IsTradable bool` Indicates if the instrument is tradable - `Symbol string` The trading symbol for the instrument - `Venue string` The MIC code of the primary listing venue - `Adv string` Average daily share volume from the security definition. - `Expiry Time` The expiration date for options instruments - `InstrumentType SecurityType` The type of security (e.g., Common Stock, ETF) - `const SecurityTypeCommonStock SecurityType = "COMMON_STOCK"` - `const SecurityTypePreferredStock SecurityType = "PREFERRED_STOCK"` - `const SecurityTypeOption SecurityType = "OPTION"` - `const SecurityTypeCash SecurityType = "CASH"` - `const SecurityTypeOther SecurityType = "OTHER"` - `LongMarginRate string` The percent of a long position's value you must post as margin - `Name string` The full name of the instrument or its issuer - `NotionalAdv string` Notional ADV (`adv × previous_close`). The primary liquidity signal used by `/instruments/search` ranking. Computed at response time so it stays consistent with whatever `adv` and `previous_close` show. - `PreviousClose string` Last close price from the security definition. - `ShortMarginRate string` The percent of a short position's value you must post as margin - `StrikePrice string` The strike price for options instruments ### Listing Type - `type ListingType string` The listing type of an options contract - `const ListingTypeStandard ListingType = "STANDARD"` - `const ListingTypeFlex ListingType = "FLEX"` - `const ListingTypeOtc ListingType = "OTC"` ### Options Contract - `type OptionsContract struct{…}` An options contract with options-specific metadata - `ID string` OEMS instrument identifier - `ContractType ContractType` Whether this is a CALL or PUT - `const ContractTypeCall ContractType = "CALL"` - `const ContractTypePut ContractType = "PUT"` - `Currency string` ISO currency code - `Exchange string` MIC code of the primary listing venue - `ExerciseStyle ExerciseStyle` Exercise style - `const ExerciseStyleAmerican ExerciseStyle = "AMERICAN"` - `const ExerciseStyleEuropean ExerciseStyle = "EUROPEAN"` - `Expiry Time` Expiration date - `IsLiquidationOnly bool` Whether the contract is liquidation-only - `IsMarginable bool` Whether the contract is marginable - `IsRestricted bool` Whether the contract is restricted from trading - `ListingType ListingType` Listing type - `const ListingTypeStandard ListingType = "STANDARD"` - `const ListingTypeFlex ListingType = "FLEX"` - `const ListingTypeOtc ListingType = "OTC"` - `Multiplier string` Contract multiplier (100 for standard options) - `StrikePrice string` Strike price - `Symbol string` OSI symbol (e.g. "AAPL 251219C00150000") - `OpenInterest int64` Open interest (number of outstanding contracts), if available - `UnderlyingInstrumentID string` OEMS instrument ID of the underlying instrument, if resolvable ### Options Contract List - `type OptionsContractList []OptionsContract` - `ID string` OEMS instrument identifier - `ContractType ContractType` Whether this is a CALL or PUT - `const ContractTypeCall ContractType = "CALL"` - `const ContractTypePut ContractType = "PUT"` - `Currency string` ISO currency code - `Exchange string` MIC code of the primary listing venue - `ExerciseStyle ExerciseStyle` Exercise style - `const ExerciseStyleAmerican ExerciseStyle = "AMERICAN"` - `const ExerciseStyleEuropean ExerciseStyle = "EUROPEAN"` - `Expiry Time` Expiration date - `IsLiquidationOnly bool` Whether the contract is liquidation-only - `IsMarginable bool` Whether the contract is marginable - `IsRestricted bool` Whether the contract is restricted from trading - `ListingType ListingType` Listing type - `const ListingTypeStandard ListingType = "STANDARD"` - `const ListingTypeFlex ListingType = "FLEX"` - `const ListingTypeOtc ListingType = "OTC"` - `Multiplier string` Contract multiplier (100 for standard options) - `StrikePrice string` Strike price - `Symbol string` OSI symbol (e.g. "AAPL 251219C00150000") - `OpenInterest int64` Open interest (number of outstanding contracts), if available - `UnderlyingInstrumentID string` OEMS instrument ID of the underlying instrument, if resolvable