Steem price feed - What is going on with bithumb?

in #witness-category6 years ago (edited)

As you may know, one duty of a witness is it to provide a price feed for steem. Based on the broadcasted pricefeeds, a median price from the last 3.5 days is calculated and influencing the author rewards and the vote value.

At the moment the steem/USD price from the bithumb is way off in comparison to other exchanges. At other exchanges, the price is currently by 1.69 USD, but on bithumb it is 2.34 USD. This causes the price jumps on coincapmarket:

image.png

You can see the Steem/USD price for different exchanges:
image.png

Due to the high 24h volume, the price from bithumb influences strongly the average price.
Poloniex and HitBTC show a price which is lower than the price listing on other exchanges. Due to the low 24h volume, they do no influence the average price.

coinmarketcap.com removed the listing of bithumb shortly:
image.png

The top 20 witnesses are doing a great job and broadcasting the correct steem price. Some witnesses are broadcasting a too low steem price as they including the exchange price from hitbtc (maybe without using the 24h volume for doing a weighting average).


@busy.witness should check the price feed script:

as well as @aizensou


P.S.: Don't get fooled by the price bias as I'am.

Output from: https://steemd.com/witnesses:

Result from http://steeme.com/witness:

Sorry @pharesim for tagging!


If you like what I'm doing, please consider @holger80 as one of your witnesses (steemconnect).

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I've read heart monitor readings before. It looks like Steem is not dead. Don't worry.

image.png

Just like the sinoatrial node keeps rhythm for the heart there must be some force keeping the price of Steem in rhythm.

It looks to me like Arrhythmia:

Busy hasn't updated their price feed in ages. As seen on price-feed age.

But regarding bithumb - your opinion with this post is to exclude bithumb, right?

Such a difference between exchanges should not happen as the difference will normally be balanced by traders. When it does not happen, it's a sign that withdraws or deposits are currently not possible.

So it's the best to exclude bithumb right now.

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