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  • Asset Type: Options Remove
  • Data Type: Implied Volatility Blends Remove
  • Data Type: Quotes Remove
  • Data Type: Skew Remove
  • Purchase Type: Monthly Subscription Remove

Data Subscriptions

Our end-of-day option quotes file actually provides two snapshots of market quote and size, one at 15:45 and another at the market close (market closing time is product dependent). Summary trading data is also included in the files. The first, last, lowest and highest trade in every series, as well as, the total volume, VWAP and open interest. Sign up for a one month or one year subscription and receive a daily delivery of your files via our FTP site. Effective February 5, 2020 on half trading days, the value in the "1545" column will be taken at 12:45 pm ET and the column name of 1545 will be unchanged.


File Layout: End-of-Day Option Quotes Layout.


To purchase historical data, please see: End-of-Day Option Quotes Historical

Our end-of-day option quotes witch Calcs file provides all of the fields in the end-of-day Option quotes file plus market implied volatility for each option, as well as, the greeks (Delta, Gamma, Theta, Vega and Rho). Implied volatility and Greeks are calculated off of the 1545 timestamp, since it is considered a more accurate snapshot of market liquidity than the end of day market. Sign up for a one month or one year subscription and receive a daily delivery of your files via our FTP site. Effective February 5, 2020 on half trading days, the value in the "1545" column will be taken at 12:45 pm ET and the column name of 1545 will be unchanged.


File Layout: End-of-Day Option Quotes With Calcs Layout.


To purchase historical data, please see: End-of-Day Option Quotes with Calcs

Select your own custom interval from 1 minute to End-of-day, NBBO market quote and size are captured in every snapshot along with open, high, low, close and trading volume. Underlying bid and ask prices are included at each interval for your reference. Covers U.S Stock, ETF, and Index securities with listed options.


In addition to OHLC, Volume, and NBBO markets at each interval, you may select and include the following:

  • Calcs: Midpoint Implied Volatility, Delta, Gamma, Theta, Rho*
  • BBO of each individual exchange*
  • Open Interest: Start-of-day Open Interest for each option (Optional)
*Base order must include at least 1 selection between Calcs or BBO of Each Exchange.


* Delivery Time: “Intraday” deliveries are posted to the FTP account approximately 15 minute after a given snapshot is recorded (Example: A 9:45AM snapshot will be posted to FTP at around 10:00 AM). Nightly deliveries are posted to the FTP account overnight.


Historical data back to 2004 may be purchased separately: Options Intervals


Reference Files:
Exchange ID Mapping: Exchange IDs
Cboe LiveVol Implied Volatility Blends capture term structure and solve for expiration-specific and constant maturity implied volatilities encapsulated within the range of option expirations. Capturing the constant maturity volatilities helps traders visualize and track the behavior of volatility over time providing context to current market implied volatility. To build out our volatility blends we first solve for the at-the-money volatility of each expiration to capture the term-structure of the volatility. Next, using a cubic spline approach, we fit a curve to the term-structure. Using the fitted curve, we solve for the constant maturity (IV30, IV60, IV90, etc.) time periods offered in the file. *Constant maturity times that fall outside the range of expirations available for a particular symbol will be zero. This dataset is only available with end of day granularity.
Volatility skew data allows users to analyze relative option pricing levels over time series by comparing “virtual” option strikes with identical time to maturity and levels relative to spot. Our Volatility Skew files show the implied volatility levels of virtual options expiring at constant maturities, with option strikes defined by either moneyness (% from spot) or by option delta. These files allow for more appropriate comparison of implied volatility levels over time. LiveVol volatility skew data is provided with either moneyness increments (5% steps from spot from 0-60%, with additional values at 2.5% from spot) or delta increments (5 delta increments for both calls and puts). Standard maturity periods range from 30 to 360 calendar days. An auxiliary set of skew index data will be provided with each purchase. Skew indexes represent a measure of option skew by symbol and maturity for a particular day. Delta skew data is used to generate the skew index metrics: for example, SKEW90 represents the (IV of 25 delta put – IV of 25 delta call)/(50 delta call IV) for virtual options expiring in 90 days.