it updates every second? https://data.chain.link/polygon/mainnet/fiat/eur-usd
Heartbeat refers to the time based element of when a feed fires a new round. Deviation threshold means if the price deviates more than the threshold, it will update then
The heartbeat is 27s and threshold is 0%. So Within 27s, if price moved 0.0001%, it will also update?
Correct. It will update every 27s at most. If the price moves more than 0.0% it will update.
But the price is moving every second. So why is it not updating every second?
I may be misunderstanding what a 0% deviation threshold means. It may just mean that the price updates only on the heartbeat, e.g. every 27s
So you mean 0% actually means NA. And even if price moved 5% within 27s it won't update?
Candidly I’d have to inquire elsewhere to get a firm answer.
Hey Eric, have you got any updates on this?
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