---
title: SecurityListUpdateReport
seo:
  title: SecurityListUpdateReport | FIX Market Data
  description: "FIX market data SecurityListUpdateReport reference: field layout,
    repeating groups, supported values, and message-specific behavior."
sidebar:
  label: SecurityListUpdateReport
---
`MsgType(35)=SecurityListUpdateReport(BK)`

Direction: **Exchange to client**.

Report an instrument added to or removed from a subscribed catalog.

An addition carries the same instrument details as the catalog snapshot. A deletion carries only the removed ticker.

## Field Layout

See [FIX Message Layouts](/reference/fix-message-layouts) for field ordering and presence rules.

| Field | Type | Presence | Behavior |
| --- | --- | --- | --- |
| `SecurityReqID(320)` | [`STRING`](/reference/fix-data-types#string) | Required |  |
| `SecurityUpdateAction(980)` | [`CHAR`](/reference/fix-data-types#char) | Required | Supported values:<br/><code style="overflow-wrap:anywhere">SecurityUpdateAction(980)=ADD(A)</code><br/><code style="overflow-wrap:anywhere">SecurityUpdateAction(980)=DELETE(D)</code> |
| `NoRelatedSym(146)` | [`NUMINGROUP`](/reference/fix-data-types#numingroup) | Required | <span style="overflow-wrap:anywhere">Repeating group.</span> |

### NoRelatedSym(146) Entries

Keep each entry's fields in the order shown.

| Field | Type | Presence | Behavior |
| --- | --- | --- | --- |
| `Symbol(55)` | [`STRING`](/reference/fix-data-types#string) | Required |  |
| `MinPriceIncrement(969)` | [`PRICE`](/reference/fix-data-types#price) | Conditional | <span style="overflow-wrap:anywhere">Included on instrument additions; omitted on deletions.</span> |
| `MinTradeVol(562)` | [`QTY`](/reference/fix-data-types#qty) | Conditional | <span style="overflow-wrap:anywhere">Optional on instrument additions; omitted on deletions.</span> |
| `LowLimitPrice(1148)` | [`PRICE`](/reference/fix-data-types#price) | Conditional | <span style="overflow-wrap:anywhere">Optional on instrument additions; omitted on deletions.</span> |
| `HighLimitPrice(1149)` | [`PRICE`](/reference/fix-data-types#price) | Conditional | <span style="overflow-wrap:anywhere">Optional on instrument additions; omitted on deletions.</span> |
| `NoLegs(555)` | [`NUMINGROUP`](/reference/fix-data-types#numingroup) | Conditional | <span style="overflow-wrap:anywhere">Repeating group. Included on multi-leg instrument additions; omitted on deletions and single-leg additions.</span> |

### NoRelatedSym(146) / NoLegs(555) Entries

Keep each entry's fields in the order shown.

| Field | Type | Presence | Behavior |
| --- | --- | --- | --- |
| `LegSymbol(600)` | [`STRING`](/reference/fix-data-types#string) | Required |  |