Question about RSI indicator

Hi,

When I look at a trading chart, the RSI of a specific stock may have a value of, say, 80 when looking at the 1 day chart. However, if I switch to, say, the 1 hour chart, the RSI can suddenly drop to 30.
Can anyone explain why? I just don’t get it.

Thank you.

It’s calculated from closing prices over a period. the calculation will be different over a longer period so Daily will be different from hourly

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Thank you. I think I get it now. Simple when you know how :slight_smile: