Polygon.io (Massive)

A comprehensive database of financial analyst insights and ratings for various publicly traded companies, capturing detailed information about analyst recommendations and price targets. via GET /benzinga/v1/analyst-insights

A comprehensive database of financial analysts, containing detailed performance metrics and identification information for individual analysts across various financial firms. via GET /benzinga/v1/analysts

A comprehensive database of analyst bull and bear case summaries for publicly traded companies, providing concise summaries of both bullish and bearish investment arguments to help investors see both sides of the story before making investment decisions. via GET /benzinga/v1/bulls-bears-say

A comprehensive financial consensus ratings table that aggregates analyst recommendations and price targets for individual stock tickers, capturing detailed rating breakdowns and statistical insights. via GET /benzinga/v1/consensus-ratings/{ticker}

This table contains earnings data from Benzinga, tracking both actual and estimated financial metrics for publicly traded companies. It includes EPS and revenue figures with surprise calculations, along with metadata like fiscal periods, company identifiers, and reporting timestamps. via GET /benzinga/v1/earnings

A comprehensive database of financial firms, tracking unique identifiers, names, and basic metadata for various financial institutions and research firms. via GET /benzinga/v1/firms

A comprehensive database of financial guidance and earnings estimates for various companies, capturing key metrics related to earnings per share (EPS) and revenue projections across different fiscal periods. via GET /benzinga/v1/guidance

This table contains analyst ratings and price target data from investment firms, tracking rating changes (upgrades, downgrades, initiates coverage, etc.) and price target adjustments for publicly traded companies. Each record includes the analyst details, company information, current and previous ratings/targets, and metadata like timestamps and Benzinga identifiers. via GET /benzinga/v1/ratings

A comprehensive news article database from Benzinga, containing detailed information about financial news articles including metadata, content, and associated financial information. via GET /benzinga/v2/news

Aggregated consumer transactions from European credit card panels, structured for flexible analysis and faster access to insights. Each row represents daily credit card, debit card, or open banking transactions (7-day lag from transaction date) at a tagged merchant or payment processor, split across Currency, Country, Online/Offline, and Credit/Debit dimensions. Includes ticker (Bloomberg standard) and industry mapping for ~250 US public companies across 6 European countries (UK, DE, FR, IT, ES, AT). Open banking data achieves >85% fill rate at 7 days. User counts provided across 8 and 28-day windows enable custom normalization. NOTE: Individual accounts have a 30-day minimum lag from transaction_date for licensing compliance. Data returned reflects the latest available values, including any corrections from the data provider. via GET /consumer-spending/eu/v1/merchant-aggregates

Reference data mapping merchants to parent companies, tickers, sectors, and industries across Fable's European consumer transaction panel. Each row represents a single merchant with its corporate hierarchy and classification metadata. Weekly snapshots contain ~3,500 merchants covering ~250 US public companies. Use lookup_name to join with the name field from the merchant-aggregates endpoint, filtering by active_from and active_to to match a specific transaction_date (e.g., active_from.lte=2025-06-15&active_to.gte=2025-06-15). via GET /consumer-spending/eu/v1/merchant-hierarchy

Global cryptocurrency exchanges and digital asset trading platforms, including major centralized exchanges (Coinbase, Binance, Bitfinex, etc.) that facilitate trading of cryptocurrencies and digital tokens worldwide. via GET /crypto/v1/exchanges

ETF Global analytics data containing risk scores, reward metrics, and quantitative analysis for ETF composite tickers. via GET /etf-global/v1/analytics

ETF Global constituents data containing detailed information about the securities held within ETFs, including weights, market values, and security identifiers. via GET /etf-global/v1/constituents

ETF Global fund flow data containing information about ETF share movements, net asset values, and fund flow metrics. via GET /etf-global/v1/fund-flows

ETF Global industry profile data containing comprehensive ETF metadata including financial metrics, operational details, and exposure information. via GET /etf-global/v1/profiles

ETF Global taxonomy data containing detailed classification and categorization information for ETFs including investment strategy, methodology, and structural characteristics. via GET /etf-global/v1/taxonomies

Daily U.S. money-market funding conditions from the Federal Reserve and the Federal Reserve Bank of New York, including the Federal Funds Effective Rate, SOFR, OBFR, tri-party general collateral repo rates, Treasury-collateralized overnight reverse repo and repo operation amounts, and commercial paper rates. One row per calendar day; daily federal-funds series generally populate calendar-day rows, while market-rate, volume, and commercial-paper series are generally published on business days and may be null on weekends or holidays. via GET /fed/v1/funding-conditions

A table tracking inflation and price indices, including Consumer Price Index (CPI) and Personal Consumption Expenditures (PCE) metrics over time. via GET /fed/v1/inflation

A table tracking inflation expectations from both market-based and economic model perspectives across different time horizons. via GET /fed/v1/inflation-expectations

Labor market indicators from the Federal Reserve, including unemployment rate, labor force participation, average hourly earnings, and job openings data. via GET /fed/v1/labor-market

A record of U.S. Treasury bond yields across various maturity periods, tracking historical interest rates from short-term to long-term government securities. via GET /fed/v1/treasury-yields

Global foreign exchange (FX) trading venues and market infrastructure, including electronic trading platforms, banks, and other institutions facilitating currency pair trading worldwide. via GET /forex/v1/exchanges

Get aggregates for a contract in a given time range. via GET /futures/v1/aggs/{ticker}

The Contracts API provides a single source for discovering all listed futures contracts and retrieving complete contract specifications. You can query the full contract index with filters for product code, trade dates, active status, and date, returning key attributes such as ticker, first and last trade dates, days to maturity, exchange code, and order quantity limits in paginated form. The same API also returns the full specification for a single contract, including settlement dates, tick sizes, and other trading and risk related fields. Point-in-time lookups allow you to reconstruct the exact contract definition that applied on any given day. Use Cases: Historical research, trading system integration, portfolio workflows, risk management. via GET /futures/v1/contracts

US futures exchanges and trading venues including major derivatives exchanges (CME, CBOT, NYMEX, COMEX) and other futures market infrastructure for commodity, financial, and other derivative contract trading. via GET /futures/v1/exchanges

Retrieve the current market status for a specific product or products. This endpoint returns real-time indicators, such as open, pause, close, for futures products, along with the corresponding exchange and product codes and an evaluation timestamp. This information enables users to monitor operational conditions and adjust their trading strategies accordingly. Use Cases: Real-time monitoring, algorithm scheduling, UI updates, operational planning. via GET /futures/v1/market-status

The Products API is a unified source for discovering all supported futures products and retrieving full product specifications. It returns the complete product universe with product codes, names, exchange identifiers, sector and asset class classifications, product type, settlement method, and pricing and quotation details. You can filter by name, exchange, sector, asset class, product type, or date to capture the product set or product definition that existed at a specific point in time. It also retrieves the full specification for a single product, supporting accurate system configuration, analytics, trading workflows, and historical reconciliation. Use Cases: Product specification, historical product checks, risk management, trading system integration. via GET /futures/v1/products

Retrieve quote data for a specified futures contract ticker. Each record includes the best bid and offer prices, sizes, and timestamps, reflecting the prevailing quote environment at each moment. This endpoint supports detailed analysis of price dynamics and liquidity conditions to inform trading decisions and market research. Use Cases: Liquidity analysis, price discovery, trading strategy refinement, market research. via GET /futures/v1/quotes/{ticker}

The Schedules API provides a unified way to retrieve trading schedules for futures markets, returning precise session open and close times, intraday breaks, and any adjustments for holidays or special events. You can filter schedules by session_end_date or retrieve the schedule for a single product using its product code. All times are returned in Coordinated Universal Time (UTC), making it straightforward to align trading, execution, and operational workflows across systems. Use Cases: Schedule planning, market analysis, strategy alignment, risk and operations management. via GET /futures/v1/schedules

Retrieve a snapshot of the most recent futures contract data. via GET /futures/v1/snapshot

Retrieve comprehensive, tick-level trade data for a specified futures contract ticker over a defined time range. Each record includes the trade price, size, session start date, and precise timestamps, capturing individual trade events throughout the period. This granular data is essential for constructing aggregated bars and performing detailed analyses of intraday price movements, making it a valuable tool for backtesting, algorithmic strategy development, and market research. Use Cases: Intraday analysis, algorithmic trading, backtesting, market research. via GET /futures/v1/trades/{ticker}

US options exchanges and trading venues including traditional options exchanges (CBOE, ISE, etc.), Securities Information Processors (SIP), and other options market infrastructure for derivatives trading. via GET /options/v1/exchanges

Contains NBBO (National Best Bid and Offer) quote records for US options contracts, capturing bid/ask prices, sizes, and exchange attribution at nanosecond precision. via GET /options/v3/quotes/{ticker}

Contains individual trade transactions for US options contracts, capturing trade execution details including pricing, timing, and exchange information. via GET /options/v3/trades/{ticker}

Contains individual trade transactions for US stocks, capturing trade execution details including pricing, timing, and exchange information. via GET /stocks/dev/trades/{ticker}

SEC document text sections providing raw text content from specific sections of SEC filings (10-K, 10-Q, etc.). via GET /stocks/filings/10-K/vX_0/sections

SEC document text sections providing raw text content from specific sections of SEC filings (10-K, 10-Q, etc.). via GET /stocks/filings/10-K/vX/sections

SEC 8-K filing disclosure categorization. A single 8-K filing can produce multiple rows when it covers multiple disclosure types — each row represents one tagged disclosure within the filing, classified into primary, secondary, and tertiary categories with a supporting text excerpt. The full classification list is available at /stocks/taxonomies/vX/disclosures. via GET /stocks/filings/8-K/vX/disclosures

SEC 8-K filings text providing parsed content from current report filings. 8-K forms report material events such as earnings, acquisitions, executive changes, and other significant corporate events. via GET /stocks/filings/8-K/vX/text

SEC Form 13F filings data showing institutional investment manager holdings. Form 13F is required to be filed quarterly by institutional investment managers with at least $100 million in qualifying assets under management. via GET /stocks/filings/vX/13-F

SEC Form 3 filings reporting initial statements of beneficial ownership of securities. Filed by corporate insiders (directors, officers, and 10%+ shareholders) when they first acquire a position. via GET /stocks/filings/vX/form-3

SEC Form 4 filings reporting changes in beneficial ownership of securities. Filed by corporate insiders (directors, officers, and 10%+ shareholders) within two business days of a transaction. via GET /stocks/filings/vX/form-4

SEC EDGAR master index providing metadata for all SEC filings including form types, filing dates, and direct links to source documents. via GET /stocks/filings/vX/index

The risk factors identified in companies' 10K filings. via GET /stocks/filings/vX/risk-factors

A comprehensive financial dataset containing quarterly and annual balance sheet data for public companies. Includes detailed asset, liability, and equity positions representing the company's financial position at specific points in time. Balance sheet data represents point-in-time snapshots rather than cumulative flows, showing what the company owns, owes, and shareholders' equity as of each period end date. via GET /stocks/financials/v1/balance-sheets

A comprehensive financial dataset containing quarterly, annual, and trailing twelve-month cash flow statement data for public companies. Includes detailed operating, investing, and financing cash flows with proper TTM calculations that sum all cash flow components over four quarters. TTM records are validated to ensure exactly four distinct quarters spanning 250-400 days for accurate trailing twelve-month cash flow analysis. via GET /stocks/financials/v1/cash-flow-statements

A comprehensive database of income statement financial data for public companies, including key metrics such as revenue, expenses, and net income for various reporting periods. via GET /stocks/financials/v1/income-statements

A comprehensive financial ratios dataset providing key valuation, profitability, liquidity, and leverage metrics for public companies. Combines data from income statements, balance sheets, and cash flow statements with daily stock prices to calculate ratios on a daily basis. Uses trailing twelve months (TTM) data for income/cash flow metrics and quarterly data for balance sheet items. Fundamental data updates are applied starting from each filing's period end date. Market cap calculations use point-in-time shares outstanding for historical accuracy. via GET /stocks/financials/v1/ratios

The complete list of 8-K disclosure classifications used in the 8-K disclosures endpoint. via GET /stocks/taxonomies/vX/disclosures

The complete list of risk factor classifications used in the risk factors endpoint. via GET /stocks/taxonomies/vX/risk-factors

Contains historical dividend payment records for US stocks with split-adjusted amounts and historical adjustment factors for price normalization. via GET /stocks/v1/dividends

US stock exchanges, trading venues, and reporting facilities including exchanges (NYSE, Nasdaq), Trade Reporting Facilities (TRF), Securities Information Processors (SIP), and OTC Reporting Facilities (ORF) for equity trading. via GET /stocks/v1/exchanges

Comprehensive FINRA short interest data that tracks the short selling metrics for securities on a specific settlement date. via GET /stocks/v1/short-interest

Contains short selling volume for different stock tickers, capturing total trading volume, short sale details, and breakdown by different trading platforms. via GET /stocks/v1/short-volume

Contains historical stock split and reverse split events for US equities with historical adjustment factors for price normalization. via GET /stocks/v1/splits

Contains free float data for US-listed securities, showing the most recent available number of shares available for public trading and the percentage of total shares outstanding. via GET /stocks/vX/float

Contains corporate events and announcements for publicly traded companies, including earnings releases, conferences, dividends, and business updates sourced from TMX. via GET /tmx/v1/corporate-events

Get currency conversions using the latest market conversion rates. Note than you can convert in both directions. For example USD to CAD or CAD to USD. via GET /v1/conversion/{from}/{to}

Get historic trade ticks for a cryptocurrency pair. via GET /v1/historic/crypto/{from}/{to}/{date}

Get historic ticks for a forex currency pair. via GET /v1/historic/forex/{from}/{to}/{date}

Get the exponential moving average (EMA) for a ticker symbol over a given time range. One endpoint serves every asset class: pass a stock symbol (AAPL), an option contract (O:SPY251219C00650000), an index (I:NDX), a forex pair (C:EURUSD) or a crypto pair (X:BTCUSD) as the ticker. Which classes answer depends on the plans the connected account holds. via GET /v1/indicators/ema/{ticker}

Get moving average convergence/divergence (MACD) data for a ticker symbol over a given time range. One endpoint serves every asset class: pass a stock symbol (AAPL), an option contract (O:SPY251219C00650000), an index (I:NDX), a forex pair (C:EURUSD) or a crypto pair (X:BTCUSD) as the ticker. Which classes answer depends on the plans the connected account holds. via GET /v1/indicators/macd/{ticker}

Get the relative strength index (RSI) for a ticker symbol over a given time range. One endpoint serves every asset class: pass a stock symbol (AAPL), an option contract (O:SPY251219C00650000), an index (I:NDX), a forex pair (C:EURUSD) or a crypto pair (X:BTCUSD) as the ticker. Which classes answer depends on the plans the connected account holds. via GET /v1/indicators/rsi/{ticker}

Get the simple moving average (SMA) for a ticker symbol over a given time range. One endpoint serves every asset class: pass a stock symbol (AAPL), an option contract (O:SPY251219C00650000), an index (I:NDX), a forex pair (C:EURUSD) or a crypto pair (X:BTCUSD) as the ticker. Which classes answer depends on the plans the connected account holds. via GET /v1/indicators/sma/{ticker}

Get the last trade tick for a cryptocurrency pair. via GET /v1/last/crypto/{from}/{to}

Get the last quote tick for a forex currency pair. via GET /v1/last_quote/currencies/{from}/{to}

Get the current trading status of the exchanges and overall financial markets. via GET /v1/marketstatus/now

Get upcoming market holidays and their open/close times. via GET /v1/marketstatus/upcoming

Get the open, close and afterhours prices of a stock symbol on a certain date. One endpoint serves every asset class: pass a stock symbol (AAPL), an option contract (O:SPY251219C00650000), an index (I:NDX), a forex pair (C:EURUSD) or a crypto pair (X:BTCUSD) as the ticker. Which classes answer depends on the plans the connected account holds. via GET /v1/open-close/{ticker}/{date}

Get the open, close prices of a cryptocurrency symbol on a certain day. via GET /v1/open-close/crypto/{from}/{to}/{date}

Contains comprehensive data about Initial Public Offerings (IPOs) and direct listings for US stocks, tracking both historical and pending offerings with detailed pricing, share, and timing information. via GET /v1/reference/ipos

List filings via GET /v1/reference/sec/filings

Get filing via GET /v1/reference/sec/filings/{filing_id}

List filing files via GET /v1/reference/sec/filings/{filing_id}/files

Get filing file via GET /v1/reference/sec/filings/{filing_id}/files/{file_id}

Get a list of tickers related to the queried ticker based on News and Returns data. via GET /v1/related-companies/{ticker}

Get everything needed to visualize the tick-by-tick movement of a list of tickers. via GET /v1/summaries

Get the daily open, high, low, and close (OHLC) for the entire cryptocurrency markets. via GET /v2/aggs/grouped/locale/global/market/crypto/{date}

Get the daily open, high, low, and close (OHLC) for the entire forex markets. via GET /v2/aggs/grouped/locale/global/market/fx/{date}

Get the daily open, high, low, and close (OHLC) for the entire stocks/equities markets. via GET /v2/aggs/grouped/locale/us/market/stocks/{date}

Get the previous day's open, high, low, and close (OHLC) for the specified stock ticker. One endpoint serves every asset class: pass a stock symbol (AAPL), an option contract (O:SPY251219C00650000), an index (I:NDX), a forex pair (C:EURUSD) or a crypto pair (X:BTCUSD) as the ticker. Which classes answer depends on the plans the connected account holds. via GET /v2/aggs/ticker/{ticker}/prev

Get aggregate bars for a stock over a given date range in custom time window sizes. <br /> <br /> For example, if timespan = ‘minute’ and multiplier = ‘5’ then 5-minute bars will be returned. One endpoint serves every asset class: pass a stock symbol (AAPL), an option contract (O:SPY251219C00650000), an index (I:NDX), a forex pair (C:EURUSD) or a crypto pair (X:BTCUSD) as the ticker. Which classes answer depends on the plans the connected account holds. via GET /v2/aggs/ticker/{ticker}/range/{multiplier}/{timespan}/{from}/{to}

Get the most recent NBBO (Quote) tick for a given stock. via GET /v2/last/nbbo/{stocksTicker}

Get the most recent trade for a given stock. One endpoint serves every asset class: pass a stock symbol (AAPL), an option contract (O:SPY251219C00650000), an index (I:NDX), a forex pair (C:EURUSD) or a crypto pair (X:BTCUSD) as the ticker. Which classes answer depends on the plans the connected account holds. via GET /v2/last/trade/{ticker}

Get the most recent news articles relating to a stock ticker symbol, including a summary of the article and a link to the original source. via GET /v2/reference/news

Get the current top 20 gainers or losers of the day in cryptocurrency markets. <br /> <br /> Top gainers are those tickers whose price has increased by the highest percentage since the previous day's close. Top losers are those tickers whose price has decreased by the highest percentage since the previous day's close. <br /> <br /> Note: Snapshot data is cleared at 12am EST and gets populated as data is received from the exchanges. via GET /v2/snapshot/locale/global/markets/crypto/{direction}

Get the current minute, day, and previous day’s aggregate, as well as the last trade and quote for all traded cryptocurrency symbols. <br /> <br /> Note: Snapshot data is cleared at 12am EST and gets populated as data is received from the exchanges. This can happen as early as 4am EST. via GET /v2/snapshot/locale/global/markets/crypto/tickers

Get the current minute, day, and previous day’s aggregate, as well as the last trade and quote for a single traded cryptocurrency symbol. <br /> <br /> Note: Snapshot data is cleared at 12am EST and gets populated as data is received from the exchanges. via GET /v2/snapshot/locale/global/markets/crypto/tickers/{ticker}

Get the current level 2 book of a single ticker. This is the combined book from all of the exchanges. <br /> <br /> Note: Snapshot data is cleared at 12am EST and gets populated as data is received from the exchanges. via GET /v2/snapshot/locale/global/markets/crypto/tickers/{ticker}/book

Get the current top 20 gainers or losers of the day in forex markets. <br /> <br /> Top gainers are those tickers whose price has increased by the highest percentage since the previous day's close. Top losers are those tickers whose price has decreased by the highest percentage since the previous day's close. <br /> <br /> Note: Snapshot data is cleared at 12am EST and gets populated as data is received from the exchanges. via GET /v2/snapshot/locale/global/markets/forex/{direction}

Get the current minute, day, and previous day’s aggregate, as well as the last trade and quote for all traded forex symbols. <br /> <br /> Note: Snapshot data is cleared at 12am EST and gets populated as data is received from the exchanges. This can happen as early as 4am EST. via GET /v2/snapshot/locale/global/markets/forex/tickers

Get the current minute, day, and previous day’s aggregate, as well as the last trade and quote for a single traded currency symbol. <br /> <br /> Note: Snapshot data is cleared at 12am EST and gets populated as data is received from the exchanges. via GET /v2/snapshot/locale/global/markets/forex/tickers/{ticker}

Get the most up-to-date market data for the current top 20 gainers or losers of the day in the stocks/equities markets. <br /> <br /> Top gainers are those tickers whose price has increased by the highest percentage since the previous day's close. Top losers are those tickers whose price has decreased by the highest percentage since the previous day's close. This output will only include tickers with a trading volume of 10,000 or more. <br /> <br /> Note: Snapshot data is cleared at 3:30am EST and gets populated as data is received from the exchanges. via GET /v2/snapshot/locale/us/markets/stocks/{direction}

Get the most up-to-date market data for all traded stock symbols. <br /> <br /> Note: Snapshot data is cleared at 3:30am EST and gets populated as data is received from the exchanges. This can happen as early as 4am EST. via GET /v2/snapshot/locale/us/markets/stocks/tickers

Get the most up-to-date market data for a single traded stock ticker. <br /> <br /> Note: Snapshot data is cleared at 3:30am EST and gets populated as data is received from the exchanges. This can happen as early as 4am EST. via GET /v2/snapshot/locale/us/markets/stocks/tickers/{stocksTicker}

Get NBBO quotes for a given ticker symbol on a specified date. via GET /v2/ticks/stocks/nbbo/{ticker}/{date}

Get trades for a given ticker symbol on a specified date. via GET /v2/ticks/stocks/trades/{ticker}/{date}

Get NBBO quotes for a ticker symbol in a given time range. One endpoint serves every asset class: pass a stock symbol (AAPL), an option contract (O:SPY251219C00650000), an index (I:NDX), a forex pair (C:EURUSD) or a crypto pair (X:BTCUSD) as the ticker. Which classes answer depends on the plans the connected account holds. via GET /v3/quotes/{ticker}

List all conditions that Massive uses. via GET /v3/reference/conditions

Get a list of historical cash dividends, including the ticker symbol, declaration date, ex-dividend date, record date, pay date, frequency, and amount. via GET /v3/reference/dividends

List all exchanges that Massive knows about. via GET /v3/reference/exchanges

Query for historical options contracts. This provides both active and expired options contracts. via GET /v3/reference/options/contracts

Get an options contract via GET /v3/reference/options/contracts/{options_ticker}

Get a list of historical stock splits, including the ticker symbol, the execution date, and the factors of the split ratio. via GET /v3/reference/splits

Query all ticker symbols which are supported by Massive. This API currently includes Stocks/Equities, Indices, Forex, and Crypto. via GET /v3/reference/tickers

Get a single ticker supported by Massive. This response will have detailed information about the ticker and the company behind it. via GET /v3/reference/tickers/{ticker}

List all ticker types that Massive has. via GET /v3/reference/tickers/types

Get snapshots for assets of all types via GET /v3/snapshot

Get a Snapshot of indices data for said tickers via GET /v3/snapshot/indices

Get the snapshot of all options contracts for an underlying ticker. via GET /v3/snapshot/options/{underlyingAsset}

Get the snapshot of an option contract for a stock equity. via GET /v3/snapshot/options/{underlyingAsset}/{optionContract}

Get trades for a ticker symbol in a given time range. One endpoint serves every asset class: pass a stock symbol (AAPL), an option contract (O:SPY251219C00650000), an index (I:NDX), a forex pair (C:EURUSD) or a crypto pair (X:BTCUSD) as the ticker. Which classes answer depends on the plans the connected account holds. via GET /v3/trades/{ticker}

Get historical financial data for a stock ticker. The financials data is extracted from XBRL from company SEC filings using the methodology outlined <a rel="noopener noreferrer nofollow" target="_blank" href="http://xbrl.squarespace.com/understanding-sec-xbrl-financi/">here</a>. via GET /vX/reference/financials

The IPOs API provides access to detailed information about Initial Public Offerings (IPOs), including both upcoming and historical events. With this API, you can query for a comprehensive list of IPOs, along with key details such as the issuer name, ticker symbol, ISIN, IPO date, number of shares offered, expected price range, and final offering price. You can filter the results by status to focus on new, rumors, pending, historical, and more. via GET /vX/reference/ipos

Get a timeline of events for the entity associated with the given ticker, CUSIP, or Composite FIGI. via GET /vX/reference/tickers/{id}/events