You are here: Columns and Data Points > Market Data Fields > Prices

Prices

Column Name

Description

After Hour Change Price change after regular trading hours.
After Hour Change % Price change after regular trading hours, displayed as a percentage.

Ask

The best ask price for a contract. This is the best price at which you could currently BUY.

Ask Size

The approximate depth of the current offer.

Bid

The best bid price for a contract. This is the best price at which you could currently SELL.

Bid Size

The approximate depth of the current bid.

Change

How much the current price has risen or declined from the previous day's closing price. If the price has declined, the background is red. If the price has risen, the background is blue. To toggle between dollar change and percent change, click the column title.

Change (%)

The percentage that the current price has risen or declined from the previous day's closing price. If the price has declined, the background is red. If the price has risen, the background is blue. To toggle between percent change and dollar change, click the column title.

Change Since Open

The change in price (by dollar value or percent) since the day's opening price. If the price has declined, the background is red. If the price has risen, the background is blue. To toggle between percent change and dollar change, click the column title.

Close

Displays the last available closing price for the asset. For US equities, we use corporate action processing to get the closing price. This means the close price is adjusted to reflect forward and reverse splits, and cash and stock dividends.

EXT

Requires a subscription to eSignal market data. The exchange where the contract has traded.

Gap

Displays the difference between the previous night's closing price and the day's opening price. You can toggle this display between showing the gap in currency units or percentage points (100% x Gap / Today's Open). To toggle the display, right-click the column title and select Toggle Display.

Halted If trading for a contract has been halted, the field displays an exclamation point. Otherwise, the field remains blank.
Historical Volatility % Shows the 30-day real-time historical volatility as a percentage.
Historical Volatility Change The difference between the historical volatility as of yesterday's close, an the current historical volatility, shown as an absolute value and as a percentage.

Historical Volatility Close %

Hows the historical volatility based on the previous day's closing price, as a percentage.

Last

The last price at which the contract traded. A "C" in front of the last price indicates that this is the previous day's closing price.

For forex and commodities and , the "midpoint" value is displayed instead of the last.

Last ($) The last price at which the contract traded, converted to US dollars. A "C" in front of the last price indicates that this is the previous day's closing price.
Last Quote Time The time at which the contract was last quoted.
Last RTH Trade Shows the last price at which the contract traded during regular trading hours.

Last Size

The number of units traded at the last size. If the last size is larger than the previous last size, the font is green. If it's smaller, the font is red.

Mark Price

The mark price is equal to the LAST price unless:
Ask < Last - the mark price is equal to the ASK price.
Bid > Last - the mark price is equal to the BID price.

Mid

The midpoint between the current bid and ask.

Month to Date Change The difference between the current last price, and the closing price of the last day of the previous month.
Month to Date Change % The difference between the current last price, and the closing price of the last day of the previous month, shown as a percentage.

Open

The opening price for the day.

Prior Close The previous trading day's closing price.
Prior Month Close The closing price of the last trading day of the previous month. This value is adjusted for corporate actions.
Prior Year Close The closing price of the last trading day of the prior year. This value is adjusted for corporate actions.

RSI Colorful

Requires a subscription to eSignal market data. The Relative Strength Index compares the magnitude of recent losses to recent gains and relays that comparison in the form of a number that ranges from 0 to 100 where 0 indicates weaker performance. For quick reference, the background color is red if the RSI is less than 20, and green if the RSI is higher than 80.

RSI Numeric

Requires a subscription to eSignal market data. The Relative Strength Index compares the magnitude of recent losses to recent gains and relays that comparison in the form of a number that ranges from 0 to 100 where 0 indicates weaker performance.

Short Sale Restriction If a short sale restriction is in effect for the contract, a special icon is displayed. Otherwise, the field is blank.

Spread

The difference between the current ask and bid.

Trade Time

Time of the last trade. The background color indicates the relative activity of a security compared with all other active contracts on your trading pages. The lighter background indicates more activity for the contract. Darker indicates that other securities are trading more actively.

Underlying Price

Displays the price of the underlying.

VWAP

The volume-weighted average price.

Y Close

Requires a subscription to eSignal market data. The previous trading day’s last trade price.

Year to
Date Change
The difference between the current Last price, and the last closing price of the previous year.
Year to
Date Change %
The difference between the current Last price, and the last closing price of the previous year, shown as a percentage.

Important Disclosures