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How to read previous trading day's minute volume and price (open and close)?

I'm new to quantopian and I'd like to get some help! I need to read previous trading day's minute volume and price,
I understand "history" function can give me some info regarding previous trading time like

history(90, '1m', 'price')

my question is how do i get full info on previous trading day, in regardless of trading hours (some are half trading days).

Thanks!

1 response

Hi Xin,

Welcome to Quantopian! In order to get yesterday's volume and price data from the end of the day, you will want to use the '1d' frequency parameter. This tutorial video demonstrates how to go about doing this, as you will have to look at the second last element of each security's history.

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