P/B Ratio returned by get_fundamental query for "Equity(36907, symbol='EC', asset_name='ECOPETROL SA'" is 0 starting 5th August 2014. This cannot be right since neither was the company delisted nor the price tend to 0 .
HI Yatharth,
You have an excellent eye for detail. It does look like this was a bad print. I've noticed that some other fundamentals.valuation_ratios for sid(36907) are off between August 5 and August 7. I've reported an issue internally -- we'll correct this.
Thanks!
I've attached a notebook that I used to confirm your findings.
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