> ## Documentation Index > Fetch the complete documentation index at: https://docs.deribit.com/llms.txt > Use this file to discover all available pages before exploring further. # deribit_price_ranking.(index_name) > Price ranking updates for the component exchanges used to calculate the Deribit index. Use this channel to see per-exchange price contributions that feed into the index calculation for the given `index_name`. ## AsyncAPI ````yaml specifications/deribit_asyncapi.json deribit_price_ranking.(index_name) id: deribit_price_ranking.(index_name) title: 'deribit_price_ranking.(index_name) ' description: > Price ranking updates for the component exchanges used to calculate the Deribit index. Use this channel to see per-exchange price contributions that feed into the index calculation for the given `index_name`. servers: - id: production protocol: wss host: deribit.com/ws/api/v2 bindings: [] variables: [] - id: testnet protocol: wss host: test.deribit.com/ws/api/v2 bindings: [] variables: [] address: deribit_price_ranking.(index_name) parameters: - id: index_name jsonSchema: type: string description: >- Index identifier, matches (base) cryptocurrency with quote currency **Allowed values:** `btc_usd`, `eth_usd`, `ada_usdc`, `algo_usdc`, `avax_usdc`, ... (total 47 values) enum: - btc_usd - eth_usd - ada_usdc - algo_usdc - avax_usdc - bch_usdc - bnb_usdc - btc_usdc - btcdvol_usdc - buidl_usdc - doge_usdc - dot_usdc - eurr_usdc - eth_usdc - ethdvol_usdc - link_usdc - ltc_usdc - near_usdc - paxg_usdc - shib_usdc - sol_usdc - steth_usdc - ton_usdc - trump_usdc - trx_usdc - uni_usdc - usde_usdc - usyc_usdc - xrp_usdc - btc_usdt - eth_usdt - eurr_usdt - sol_usdt - steth_usdt - usdc_usdt - usde_usdt - btc_eurr - btc_usde - btc_usyc - eth_btc - eth_eurr - eth_usde - eth_usyc - steth_eth - paxg_btc - drbfix-btc_usdc - drbfix-eth_usdc description: >- Index identifier, matches (base) cryptocurrency with quote currency **Allowed values:** `btc_usd`, `eth_usd`, `ada_usdc`, `algo_usdc`, `avax_usdc`, ... (total 47 values) type: string required: true deprecated: false bindings: [] operations: - &ref_2 id: send_subscribe_deribit_price_ranking_index_name title: Send subscribe request for deribit_price_ranking description: Client sends subscription request for deribit_price_ranking updates type: send messages: - &ref_4 id: subscription_message contentType: application/json payload: - name: Subscription Notification Data description: Server sends subscription notification data type: object properties: - name: data type: object required: true properties: - name: identifier type: string description: Stock exchange identifier required: false - name: enabled type: boolean description: Stock exchange status required: false - name: original_price type: number description: Index price retrieved from stock's data required: false - name: price type: number description: >- Adjusted stock exchange index price, used for Deribit price index calculations required: false - name: timestamp type: integer description: >- The timestamp of the last update from stock exchange (milliseconds since the UNIX epoch) required: false - name: weight type: number description: The weight of the ranking given in percent required: false headers: [] jsonPayloadSchema: type: object description: Response containing notification data properties: data: type: object properties: identifier: type: string description: Stock exchange identifier example: binance x-parser-schema-id: enabled: type: boolean description: Stock exchange status x-parser-schema-id: original_price: type: number description: Index price retrieved from stock's data x-parser-schema-id: price: type: number description: >- Adjusted stock exchange index price, used for Deribit price index calculations x-parser-schema-id: timestamp: type: integer description: >- The timestamp of the last update from stock exchange (milliseconds since the UNIX epoch) example: 1536569522277 x-parser-schema-id: weight: type: number description: The weight of the ranking given in percent x-parser-schema-id: required: [] additionalProperties: false x-parser-schema-id: required: - data additionalProperties: false x-parser-schema-id: title: Subscription Notification Data description: Server sends subscription notification data example: |- { "data": [ { "weight": 16.666667, "original_price": 41160.5, "price": 41160.5, "identifier": "bitfinex", "timestamp": 1702465142997, "enabled": true }, { "weight": 16.666667, "original_price": 41119, "price": 41119, "identifier": "binance", "timestamp": 1702465143045, "enabled": true }, { "weight": 16.666667, "original_price": 41115.53, "price": 41115.53, "identifier": "coinbase", "timestamp": 1702465139000, "enabled": true }, { "weight": 16.666667, "original_price": 41116.42, "price": 41116.42, "identifier": "gemini", "timestamp": 1702465142921, "enabled": true }, { "weight": 16.666667, "original_price": 41108.88, "price": 41108.88, "identifier": "itbit", "timestamp": 1702465141954, "enabled": true }, { "weight": 16.666667, "original_price": 41108.35, "price": 41108.35, "identifier": "kraken", "timestamp": 1702465142906, "enabled": true } ] } bindings: [] extensions: - id: x-parser-unique-object-id value: subscription_message bindings: [] extensions: &ref_0 - id: x-parser-unique-object-id value: deribit_price_ranking.(index_name) - &ref_1 id: receive_deribit_price_ranking_index_name_updates title: Receive deribit_price_ranking updates description: Client receives deribit_price_ranking update notifications type: receive messages: - &ref_3 id: subscribe_request contentType: application/json payload: - name: Subscription Request description: >- Client sends subscription request to subscribe to notification channel. Please refer to [Notification page](https://deribit.mintlify.app/articles/notifications) for more information. type: object properties: [] headers: [] jsonPayloadSchema: properties: {} additionalProperties: false x-parser-schema-id: title: Subscription Request description: >- Client sends subscription request to subscribe to notification channel. Please refer to [Notification page](https://deribit.mintlify.app/articles/notifications) for more information. example: |- { "jsonrpc": "2.0", "method": "public/subscribe", "id": 42, "params": { "channels": [ "deribit_price_ranking.(index_name)" ] } } bindings: [] extensions: - id: x-parser-unique-object-id value: subscribe_request bindings: [] extensions: *ref_0 sendOperations: - *ref_1 receiveOperations: - *ref_2 sendMessages: - *ref_3 receiveMessages: - *ref_4 extensions: - id: x-parser-unique-object-id value: deribit_price_ranking.(index_name) securitySchemes: [] ````