Meaning of a few keys after getting a quote

[osaidz]

What do these values represent?

'bboValve' 0:
'baSize': 0,
'ntvSize': 30,

Sample quote:

{'tickerId': 925237377,
'exchangeId': 11,
'type': 2,
'secType': [61],
'regionId': 6,
'regionCode': 'US',
'currencyId': 247,
'name': 'Schneider Nation',
'symbol': 'SNDR',
'disSymbol': 'SNDR',
'disExchangeCode': 'NYSE',
'exchangeCode': 'NYSE',
'listStatus': 1,
'template': 'stock',
'derivativeSupport': 1,
'isPTP': 0,
'filingsSupport': 0,
'futuresSupport': 0,
'mkTradeTime': '2023-09-27T20:00:00.397+0000',
'tradeTime': '2023-09-27T21:21:28.002+0000',
'status': 'D',
'close': '27.31',
'change': '-0.12',
'changeRatio': '-0.0044',
'marketValue': '4832179101.35',
'volume': '901176',
'turnoverRate': '0.0051',
'timeZone': 'America/New_York',
'tzName': 'EDT',
'preClose': '27.43',
'open': '27.50',
'high': '27.57',
'low': '27.00',
'vibrateRatio': '0.0197',
'avgVol10D': '481112',
'avgVol3M': '504552',
'negMarketValue': '727525728.16',
'pe': '20.13',
'forwardPe': '14.88',
'indicatedPe': '10.02',
'peTtm': '11.87',
'eps': '1.192',
'epsTtm': '2.301',
'pb': '1.640',
'totalShares': '176938085',
'outstandingShares': '26639536',
'fiftyTwoWkHigh': '31.74',
'fiftyTwoWkLow': '20.14',
'dividend': '0.3600',
'yield': '0.0132',
'baSize': 0,
'ntvSize': 30,
'depth': {'ntvAggAskList': [{'price': '28.30', 'volume': '35'},
{'price': '30.04', 'volume': '36'},
{'price': '43.42', 'volume': '100'},
{'price': '43.69', 'volume': '100'}],
'ntvAggBidList': [{'price': '26.50', 'volume': '1'},
{'price': '25.77', 'volume': '78'},
{'price': '23.85', 'volume': '1'},
{'price': '20.20', 'volume': '25'},
{'price': '18.48', 'volume': '100'},
{'price': '18.39', 'volume': '100'}]},
'currencyCode': 'USD',
'lotSize': '1',
'latestDividendDate': '2023-09-07',
'latestEarningsDate': '',
'ps': '0.8119',
'bps': '16.65',
'estimateEarningsDate': '10/25-10/30',
'tradeStatus': 'F',
'bboValve': 0}

[ksolemon]

'bboValve' 0:
'baSize': 0,
'ntvSize': 30,

Sample quote:

{'tickerId': 925237377, # Ticker ID, used to identify unique stock and to "Get stock public info, and to get price quote
'exchangeId': 11, # unique ID to identify Stock Exchange, 11 is for NYSE
'type': 2,
'secType': [61],
'regionId': 6, # unique ID to identify Region, 6 is for USA, check list of all regions here https://github.com/tedchou12/webull/wiki/What-is-the-region_id%3F
'regionCode': 'US',
'currencyId': 247, # unique ID to identify currency, 247 is for USD
'name': 'Schneider Nation', # name of the company
'symbol': 'SNDR', # ticker symbol of the company
'disSymbol': 'SNDR',
'disExchangeCode': 'NYSE',
'exchangeCode': 'NYSE',
'listStatus': 1,
'template': 'stock',
'derivativeSupport': 1,
'isPTP': 0,
'filingsSupport': 0,
'futuresSupport': 0,
'mkTradeTime': '2023-09-27T20:00:00.397+0000',
'tradeTime': '2023-09-27T21:21:28.002+0000',
'status': 'D',
'close': '27.31',
'change': '-0.12',
'changeRatio': '-0.0044',
'marketValue': '4832179101.35',
'volume': '901176',
'turnoverRate': '0.0051',
'timeZone': 'America/New_York',
'tzName': 'EDT',
'preClose': '27.43',
'open': '27.50',
'high': '27.57',
'low': '27.00',
'vibrateRatio': '0.0197',
'avgVol10D': '481112',
'avgVol3M': '504552',
'negMarketValue': '727525728.16',
'pe': '20.13',
'forwardPe': '14.88',
'indicatedPe': '10.02',
'peTtm': '11.87',
'eps': '1.192',
'epsTtm': '2.301',
'pb': '1.640',
'totalShares': '176938085',
'outstandingShares': '26639536',
'fiftyTwoWkHigh': '31.74',
'fiftyTwoWkLow': '20.14',
'dividend': '0.3600',
'yield': '0.0132',
'baSize': 0,
'ntvSize': 30,
'depth': {'ntvAggAskList': [{'price': '28.30', 'volume': '35'},
{'price': '30.04', 'volume': '36'},
{'price': '43.42', 'volume': '100'},
{'price': '43.69', 'volume': '100'}],
'ntvAggBidList': [{'price': '26.50', 'volume': '1'},
{'price': '25.77', 'volume': '78'},
{'price': '23.85', 'volume': '1'},
{'price': '20.20', 'volume': '25'},
{'price': '18.48', 'volume': '100'},
{'price': '18.39', 'volume': '100'}]},
'currencyCode': 'USD',
'lotSize': '1',
'latestDividendDate': '2023-09-07',
'latestEarningsDate': '',
'ps': '0.8119',
'bps': '16.65',
'estimateEarningsDate': '10/25-10/30',
'tradeStatus': 'F',
'bboValve': 0}