> ## Documentation Index
> Fetch the complete documentation index at: https://docs.activeviam.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Equity curvature delta sensitivities

<Badge color="gray" size="lg">[sbm](../tags/sbm)</Badge>

|                 |                                                                                                                                           |
| --------------- | ----------------------------------------------------------------------------------------------------------------------------------------- |
| **Description** | Equity delta for trades having curvature risk                                                                                             |
| **Reference**   | [\[MAR21.5\]](https://www.bis.org/basel_framework/chapter/MAR/21.htm?inforce=20230101\&published=20200327#paragraph_MAR_21_20230101_21_5) |
| **Notation**    | $s_{ik}$                                                                                                                                  |

This measure matches **Equity Delta Sensitivities** for trades and risk factors having curvature risk charges.