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  • Asset Type: Options Remove
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Historical Data

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.

Open-Close data is a volume summary file for trading activity on the BZX exchange. Available in 10-minute summary intervals or as an end-of-day summary, it aggregates and buckets the volume by origin (customer, professional customer, broker-dealer, and market maker), buying/selling, and opening/closing criteria. The customer and professional customer volume are further broken down into trade size buckets (fewer than 100 contracts, 100-199 contracts, greater than 199 contracts). Fields 10-17 will only be available in the end-of-day files and will not be populated in the 10-minute intervals. It contains all series in an underlying security's chain-if it has volume on BZX. For pricing, please see “LiveVol Fees” in the Exchange Fee Schedule.


For an ongoing subscription, please see: Open-Close BZX - Subscription


Open-Close data is also available for C1, C2, and EDGX


The downloadable sample contains 2 files: 1 sample of the EOD format, 1 of the 10-minute

Open-Close data is a volume summary file for trading activity on the C1 exchange. Available in 10-minute summary intervals or as an end-of-day summary, it aggregates and buckets the volume by origin (customer, professional customer, broker-dealer, and market maker), buying/selling, and opening/closing criteria. The customer and professional customer volume are further broken down into trade size buckets (fewer than 100 contracts, 100-199 contracts, greater than 199 contracts). Fields 10-17 will only be available in the end-of-day files and will not be populated in the 10-minute intervals. It contains all series in an underlying security's chain-if it has volume on C1. For pricing, please see “LiveVol Fees” in the Cboe Exchange Fee Schedule.


For an ongoing subscription, please see: Open-Close C1 - Subscription


Open-Close data is also available for BZX, C2, and EDGX


The downloadable sample contains 2 files: 1 sample of the EOD format, 1 of the 10-minute

Open-Close data is a volume summary file for trading activity on the C2 exchange. Available in 10-minute summary intervals or as an end-of-day summary, it aggregates and buckets the volume by origin (customer, professional customer, broker-dealer, and market maker), buying/selling, and opening/closing criteria. The customer and professional customer volume are further broken down into trade size buckets (fewer than 100 contracts, 100-199 contracts, greater than 199 contracts). Fields 10-17 will only be available in the end-of-day files and will not be populated in the 10-minute intervals. It contains all series in an underlying security's chain-if it has volume on C2. For pricing, please see “LiveVol Fees” in the Exchange Fee Schedule.


For an ongoing subscription, please see: Open-Close C2 - Subscription


Open-Close data is also available for BZX, C1, and EDGX


The downloadable sample contains 2 files: 1 sample of the EOD format, 1 of the 10-minute

Open-Close data is a volume summary file for trading activity on the EDGX exchange. Available in 10-minute summary intervals or as an end-of-day summary, it aggregates and buckets the volume by origin (customer, professional customer, broker-dealer, and market maker), buying/selling, and opening/closing criteria. The customer and professional customer volume are further broken down into trade size buckets (fewer than 100 contracts, 100-199 contracts, greater than 199 contracts). Fields 10-17 will only be available in the end-of-day files and will not be populated in the 10-minute intervals. It contains all series in an underlying security's chain-if it has volume on EDGX. For pricing, please see “LiveVol Fees” in the Exchange Fee Schedule.


For an ongoing subscription, please see: Open-Close EDGX - Subscription


Open-Close data is also available for BZX, C1, and C2


The downloadable sample contains 2 files: 1 sample of the EOD format, 1 of the 10-minute

Optsum data is an end of day index option summary for CBOE traded options in ^SPX, ^OEX, and ^VIX with volume traded, open interest, open, high, low and last sales prices for every series in chain. The Optsum data is available from 1990 through 9/30/2019, or based on the index option availability in ^SPX, ^OEX, and ^VIX.

* If you are interested in ^SPX, ^VIX, or ^OEX option quotes data for dates after 9/30/2019, please go to the End of Day Option Quotes (https://datashop.cboe.com/option-quotes) or End of Day Option Quotes with Calcs (https://datashop.cboe.com/option-quotes-end-of-day-with-calcs) pages for similar datasets. Both EOD Option Quotes datasets provide data beginning in 2004 for all equity and index options.