Historical Data

Cboe Hanweck Borrow Intensity Indicators describe constant maturity synthetic lending rates derived from real-time option analytics. Borrow Intensity Indicators are a proprietary calculation based upon implied borrow, enhanced with machine learning using characteristics including relative liquidity and term in order to create constant maturities of 45, 60, 90, 180, and 360 days.

Borrow Intensity Indicators may enhance:

• Equity trading strategies
• Higher frequency and timeliness than equity risk model short interest factors
• Securities lending price discovery
  • Informs on levels and trends in overnight stock-borrow loan rates, highlighting rising shorts or other conditions in the collateral market such as persistent mildly hard-to-borrow securities

Borrow Intensity Indicator Attributes:

• Includes:
  • Securities underlying US listed options (approximately 4,000 symbols)
  • Raw and smoothed form
  • Confidence measures supporting interpretation for every observation
• Availability:
  • Current: 20 minute intervals, intraday (Subscription)
  • Historical: Back to 2010
• Granularity:
  • Milliseconds
• Format:
  • CSV Files
• Delivery Method:
  • SFTP

For the file specifications, please click here
For the methodology overview, please click here

If you would like subscribe to ongoing updates of this data-set, please order the Subscription product here: Borrow Intensity Indicators - Subscription

Cboe FX Prints is a trades only file and reflects all trading activity for the currency pair on Cboe FX markets including transaction time, aggressor side, trade price and quantity. Available Currency Pairs.

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. 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.

For an ongoing subscription, please order End-of-Day Option Quotes Data – Subscription

Our end-of-day option quotes with 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. 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 subscription data, please see: End-of-Day Option Quotes with Calcs – Subscription

MDR data is all quote updates and trade data captured by Cboe’s internal data retrieval systems. MDR data is offered in the following Cboe exclusive indices: ^VIX, ^SPX and ^OEX. The amount of history available of the data varies by symbol; ^SPX from January 1990, ^OEX-January 1990 and ^VIX-March 2006. The MDR data will either delivered by SFTP.

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