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  • Asset Type: Equities, ETFs, Indexes Remove
  • Asset Type: Derived Data Remove
  • Data Type: Quotes Remove
  • Data Type: Borrow Intensity Remove
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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
    • Historical: Back to 2010 (Sold separately)
  • 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 to purchase a historical backfill of this data-set, please order it here: Borrow Intensity Indicators
The equity quotes end-of-day files, recap the day’s trading activity in the underlying security. Open, high, low, close, trading volume and VWAP are included with two NBBO snapshots, one at 15:45 and another at the market close (market closing time is product dependent). 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.

From June 15th onward the ‘close’ for End-of-Day Equity Quotes will represent the Last Traded Price during Regular Trading Hours for the symbol. There will be an additional file called UnderlyingEODSummaries_YYYY-MM-DD.zip that will contain closing marks for the day per symbol/exchange with an identification which exchange is the primary listed market for the underlying.
Select your own custom interval from 1 minute to end-of-day. Open, high, low, close, trading volume, VWAP, and underlying market (bid and ask) are included in each interval calculation. Sign up for a one month or one year subscription and receive a daily delivery of your files via our FTP site.
Cboe Streaming Market Indices (CSMi) consists of over 200 index values offered by Standard and Poor’s and Cboe and many more firms. This offering provides a summary of the opening, highest, lowest, and closing index value disseminated for each index on a given day. For most indexes which update every 15 seconds during trading hours, the summary will cover the whole day, for indexes which update once per day, the Open, High, Low, and Close will be equal. Click here to view the current indexes on the CSMi feed.