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

Direction: **Client to exchange**.

Read or subscribe to trading statuses across matching instruments.

This message was introduced in [FIX extension pack EP106](https://fixtrading.org/packages/ep106/). The instrument-scope filter supports inclusion of single-leg contracts, multi-leg instruments, or both.

## Field Layout

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

| Field | Type | Presence | Behavior |
| --- | --- | --- | --- |
| `SecurityStatusReqID(324)` | [`STRING`](/reference/fix-data-types#string) | Required |  |
| `SubscriptionRequestType(263)` | [`CHAR`](/reference/fix-data-types#char) | Required | Supported values:<br/><code style="overflow-wrap:anywhere">SubscriptionRequestType(263)=SNAPSHOT(0)</code><br/><code style="overflow-wrap:anywhere">SubscriptionRequestType(263)=SNAPSHOT_PLUS_UPDATES(1)</code><br/><code style="overflow-wrap:anywhere">SubscriptionRequestType(263)=DISABLE_PREVIOUS_SNAPSHOT_PLUS_UPDATE_REQUEST(2)</code> |
| `NoInstrumentScopes(1656)` | [`NUMINGROUP`](/reference/fix-data-types#numingroup) | Optional | <span style="overflow-wrap:anywhere">Repeating group. Omit to select all instrument kinds. If present, must contain at least one scope entry; NoInstrumentScopes(1656)=0 is rejected.</span> |

### NoInstrumentScopes(1656) Entries

Keep each entry's fields in the order shown.

| Field | Type | Presence | Behavior |
| --- | --- | --- | --- |
| `InstrumentScopeOperator(1535)` | [`INT`](/reference/fix-data-types#int) | Required | Supported values:<br/><code style="overflow-wrap:anywhere">InstrumentScopeOperator(1535)=INCLUDE(1)</code> |
| `InstrumentScopeSecurityType(1547)` | [`STRING`](/reference/fix-data-types#string) | Required | Supported values:<br/><code style="overflow-wrap:anywhere">InstrumentScopeSecurityType(1547)=EVENT_CONTRACT(EVENT)</code><br/><code style="overflow-wrap:anywhere">InstrumentScopeSecurityType(1547)=MULTILEG_INSTRUMENT(MLEG)</code> |