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  • Asset Type: Options Remove
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Historical Data

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.
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). 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.

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
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.

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