# iStar

Estimate instantaneous trading cost for order

## Syntax

## Description

returns the instantaneous trading cost of an order using the Kissell Research Group (KRG)
transaction cost analysis object `itc`

= iStar(`k`

,`trade`

)`k`

and trade data `trade`

.
To estimate the instantaneous trading cost, `iStar`

uses the I-Star trading cost model.

## Examples

## Input Arguments

## Output Arguments

## More About

## Tips

For details about the formula and calculations, contact the Kissell Research Group.

## References

[1] Kissell, Robert. “A Practical Framework for Transaction
Cost Analysis.” *Journal of Trading*.
Vol. 3, Number 2, Summer 2008, pp. 29–37.

[2] Kissell, Robert. “Algorithmic Trading Strategies.” Ph.D. Thesis. Fordham University, May 2006.

[3] Kissell, Robert. “Creating Dynamic Pre-Trade Models:
Beyond the Black Box.” *Journal of Trading*.
Vol. 6, Number 4, Fall 2011, pp. 8–15.

[4] Kissell, Robert. “TCA in the Investment Process:
An Overview.” *Journal of Index Investing*.
Vol. 2, Number 1, Summer 2011, pp. 60–64.

[5] Kissell, Robert. *The Science of Algorithmic
Trading and Portfolio Management*. Cambridge, MA: Elsevier/Academic
Press, 2013.

[6] Kissell, Robert, and Morton Glantz. *Optimal
Trading Strategies*. New York, NY: AMACOM, Inc., 2003.

## Version History

**Introduced in R2016a**