If you're looking for current pre-market or post-market quotes, they're available using price on a Ticker instance. I don't know about pre-market or post-market quotes in histories.

tickers = yahooquery.Ticker('AAPL')
tickers.price

returns something like this:

{'AAPL': {'maxAge': 1,
  'preMarketChangePercent': 0.00679807,
  'preMarketChange': 1.19,
  'preMarketTime': '2023-05-19 06:29:59',
  'preMarketPrice': 176.24,
  'preMarketSource': 'FREE_REALTIME',
  'postMarketChangePercent': -0.00017126501,
  'postMarketChange': -0.0299988,
  'postMarketTime': '2023-05-19 16:59:59',
  'postMarketPrice': 175.13,
  'postMarketSource': 'FREE_REALTIME',
  'regularMarketChangePercent': 0.00062839536,
  'regularMarketChange': 0.11000061,
  'regularMarketTime': '2023-05-19 13:00:04',
  'priceHint': 2,
  'regularMarketPrice': 175.16,
  'regularMarketDayHigh': 176.29,
  'regularMarketDayLow': 174.95,
  'regularMarketVolume': 50895166,
  'regularMarketPreviousClose': 175.05,
  'regularMarketSource': 'FREE_REALTIME',
  'regularMarketOpen': 176.39,
  'exchange': 'NMS',
  'exchangeName': 'NasdaqGS',
  'exchangeDataDelayedBy': 0,
  'marketState': 'POSTPOST',
  'quoteType': 'EQUITY',
  'symbol': 'AAPL',
  'underlyingSymbol': None,
  'shortName': 'Apple Inc.',
  'longName': 'Apple Inc.',
  'currency': 'USD',
  'quoteSourceName': 'Nasdaq Real Time Price',
  'currencySymbol': '$',
  'fromCurrency': None,
  'toCurrency': None,
  'lastMarket': None,
  'marketCap': 2755039330304}}

Thank you! I was thinking of something that works like yfinance prepost = True method. When i run it with that call in yfinance I get something like that, the stock data from the beginning of the premarket 4 am NYC time to 8 pm:
example:
2023-05-19 09:04:00 177.94 178.1000 177.94 178.07 0 0.0 0.0 TSLA
2023-05-19 09:05:00 178.08 178.1000 177.81 177.90 0 0.0 0.0 TSLA
2023-05-19 09:06:00 177.92 178.0500 177.90 178.01 0 0.0 0.0 TSLA
2023-05-19 09:07:00 178.04 178.0700 178.00 178.07 0 0.0 0.0 TSLA
2023-05-19 09:08:00 178.07 178.0885 178.00 178.04 0 0.0 0.0 TSLA

The history call with the yahoo query library does give only regular hours like such:
TSLA 2023-05-19 09:30:00-04:00 177.149994 177.179993 177.130005 177.141296 3478961.0
2023-05-19 09:31:00-04:00 177.139893 177.330002 176.699997 177.020004 630877.0
2023-05-19 09:32:00-04:00 177.050003 177.949997 177.009995 177.769897 809654.0
2023-05-19 09:33:00-04:00 177.764801 177.779999 177.130005 177.599197 481615.0
2023-05-19 09:34:00-04:00 177.580002 178.429993 177.500000 178.320801 800662.0

But with no option to add the premarket data like I can with yfinance by using the prepost argument. I think it will be awesome and really useful to have premarket and after market added to yahoo query library.

 Thank you!