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  1. API Reference
  2. FIX API
  3. QS for Liquidity Providers

Market Data

PreviousQS for Liquidity ProvidersNextTrading

Last updated 9 days ago

Every price or size values should be represented with FineryMarkets internal corresponding types.

Description of all the types can be found .

Market Data - Snapshot/Full Refresh<W>

Market Data messages are used to transmit updates related to the instrument. Each message contains data for a single symbol (instrument) only. If an invalid update is received, it is ignored and the connection will be closed.

Tag
Name
Required
Example
Description

55

Symbol

N

BTC-USD

Instrument. Should match the instrument of the stream with ID StreamID<20000>

268

NoMDEntries

Y

1

Number of entries following. 0 for empty book.

269

=> MDEntryType

Y

0

Must be the first field of the repeating group. Entry type(see below)

270

=> MDEntryPx

Y

1

Price, value of type Price

271

=> MDEntrySize

Y

1

Size, value of type Size

20000

StreamID

Y

11e61d3e-804c-4b60-bf27-d217f086a1f9

ID of a stream this update relates to

MDEntryType
Description

0

Bid

1

Offer

Example of the message
8=FIX.4.4|9=489|35=W|34=2|49=<api_key>|52=20250526-14:33:53.808|56=FINERYMARKETS|268=10|269=0|270=500000000|271=500000000|269=0|270=400000000|271=400000000|269=0|270=300000000|271=300000000|269=0|270=200000000|271=200000000|269=0|270=100000000|271=100000000|269=1|270=100000000|271=100000000|269=1|270=200000000|271=200000000|269=1|270=300000000|271=300000000|269=1|270=400000000|271=400000000|269=1|270=500000000|271=500000000|20000=f7657b96-4b8c-4054-bc7a-0cb355363655|10=000
here