关于xbbg库bdib()函数获取彭博10秒间隔日内数据及解决“Cannot find exchange info for tickername”报错的咨询

Hey Leo, let's work through your two problems step by step:

1. Fixing "Cannot find exchange info for tickername" Error #

This error almost always stems from an incomplete ticker format. The xbbg package requires full Bloomberg ticker strings that include both the exchange code and security type suffix. Using a short ticker like just AAPL won't work—you need to specify something like AAPL US Equity (Apple stock on the US exchange) or EURUSD Curncy (EUR/USD currency pair).

Here's how to resolve this:

• Use the full ticker format: Replace tickername with a valid Bloomberg ticker that includes exchange and type. For example:

  from xbbg import blp
  blp.bdib(ticker='AAPL US Equity', dt='2021-02-22')
  

• Verify ticker validity: If you're unsure about the correct ticker, use Bloomberg Terminal's FLDS function, or check with xbbg itself using blp.ref():

  # Confirm a ticker's validity and get its name
  blp.ref('AAPL US Equity', 'NAME')
  

• Check Bloomberg connection: Ensure your Bloomberg Terminal is logged in, and that xbbg is properly configured (verify your bbg.cfg file has the correct path to Bloomberg's API installation).

2. Setting 10-Second Interval in bdib() #

To pull intraday data at a 10-second frequency, use the interval parameter in bdib()—this accepts the interval length directly in seconds.

Here's the updated code:

from xbbg import blp
# Fetch 10-second interval intraday data for 2021-02-22
df = blp.bdib(ticker='AAPL US Equity', dt='2021-02-22', interval=10)

If you need to filter data type (e.g., only trades or bid/ask quotes), add the typ parameter—like typ='TRADE' for trade data, or typ='BID'/typ='ASK' for quote data.

内容的提问来源于stack exchange，提问作者Leo Li