ETA Partial Updates on Quotes

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Question by jzhao · Aug 12, 2018 at 04:21 PM · refinitiv-realtime elektron elektron-sdk rrt eta-api elektron-transport-api equities quote

ETA Partial Updates on Quotes

Hi,

I'd like to confirm Reuters do send partial updates on Quotes. Namely, if there is bid/ask, bidsize/asksize for a symbol x, upon the next tick only the bidsize is changed, the feed can potentially only include bidsize without others. Is this true for different asset classes, markets (Asia vs Europe, etc.)? I know for trades there don't seem any partial updates - they always come in with everything.

If this is true, are you recommending filling contents forward? thanks

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Answer 1 · 2018-08-15T04:17:17Z

REFINITIV

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Answer by warat.boonyanit · Aug 15, 2018 at 04:17 AM

Hi @jzhao

Yes, the feed can include only the field that has been changed. It usually depends on the exchange.

For example: <LCMc1> and <GDc1> are both commodity future. <GDc1> is on Thailand Future Exchange and it uses partial updates on quotes. <LCMc1> is on ICE Futures Singapore and it doesn't use partial updates on quotes.

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jzhao · Sep 05, 2018 at 09:20 AM 0

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Thank you. I was out for two weeks and I saw the answers now.

ETA Partial Updates on Quotes

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