Here is example data for reference:
For BANKNIFTY:
NSE_FO|66694’: {‘ff’: {‘marketFF’: {‘ltpc’: {‘ltp’: 349.15, ‘ltt’: ‘1711009115336’, ‘ltq’: ‘15’, ‘cp’: 260.85}, ‘marketLevel’: {‘bidAskQuote’: [{‘bq’: 105, ‘bp’: 348.75, ‘aq’: 105, ‘ap’: 349.4}, {‘bq’: 45, ‘bp’: 348.7, ‘aq’: 180, ‘ap’: 349.45}, {‘bq’: 210, ‘bp’: 348.65, ‘aq’: 675, ‘ap’: 349.5}, {‘bq’: 135, ‘bp’: 348.6, ‘aq’: 90, ‘ap’: 349.55}, {‘bq’: 75, ‘bp’: 348.55, ‘aq’: 165, ‘ap’: 349.6}]}, ‘optionGreeks’: {‘op’: 347.3, ‘up’: 46748.4, ‘iv’: 0.15476995596613916, ‘delta’: 0.4820599618819008, ‘theta’: -30.636655837437228, ‘gamma’: 0.00042722572665758864, ‘vega’: 24.032860005519534, ‘rho’: 3.690205861712018}, ‘marketOHLC’: {‘ohlc’: [{‘interval’: ‘1d’, ‘open’: 348.0, ‘high’: 599.9, ‘low’: 318.0, ‘close’: 349.15, ‘volume’: 33154965, ‘ts’: ‘1710959400000’}, {‘interval’: ‘I1’, ‘open’: 358.6, ‘high’: 371.0, ‘low’: 358.25, ‘close’: 362.0, ‘volume’: 81900, ‘ts’: ‘1711009020000’}, {‘interval’: ‘I1’, ‘open’: 362.0, ‘high’: 362.1, ‘low’: 341.95, ‘close’: 349.15, ‘volume’: 108300, ‘ts’: ‘1711009080000’}, {‘interval’: ‘I30’, ‘open’: 380.35, ‘high’: 420.95, ‘low’: 355.9, ‘close’: 372.55, ‘volume’: 2773470, ‘ts’: ‘1711007100000’}, {‘interval’: ‘I30’, ‘open’: 372.95, ‘high’: 375.85, ‘low’: 341.95, ‘close’: 349.15, ‘volume’: 470925, ‘ts’: ‘1711008900000’}]}, ‘eFeedDetails’: {‘atp’: 447.45, ‘cp’: 260.85, ‘vtt’: ‘33156165’, ‘oi’: 1658715.0, ‘tbq’: 142845.0, ‘tsq’: 316200.0, ‘lc’: 0.05, ‘uc’: 1331.25, ‘poi’: 575775.0}}}},
For FINNIFTY:
‘NSE_FO|39408’: {‘ff’: {‘marketFF’: {‘ltpc’: {‘ltp’: 105.55, ‘ltt’: ‘1711009115010’, ‘ltq’: ‘40’, ‘cp’: 68.25}, ‘marketLevel’: {‘bidAskQuote’: [{‘bq’: 40, ‘bp’: 105.65, ‘aq’: 200, ‘ap’: 105.95}, {‘bq’: 80, ‘bp’: 105.6, ‘aq’: 760, ‘ap’: 106.0}, {‘bq’: 80, ‘bp’: 105.55, ‘aq’: 160, ‘ap’: 106.1}, {‘bq’: 200, ‘bp’: 105.5, ‘aq’: 200, ‘ap’: 106.15}, {‘bq’: 360, ‘bp’: 105.4, ‘aq’: 640, ‘ap’: 106.2}]}, ‘optionGreeks’: {‘op’: 104.7, ‘up’: 20743.45, ‘iv’: 0.1106253232158198, ‘delta’: 0.4930663018172854, ‘theta’: -10.641139498257859, ‘gamma’: 0.0014751626700917641, ‘vega’: 9.754610135585997, ‘rho’: 1.4062778110840108}, ‘marketOHLC’: {‘ohlc’: [{‘interval’: ‘1d’, ‘open’: 103.95, ‘high’: 209.5, ‘low’: 91.7, ‘close’: 105.55, ‘volume’: 8151840, ‘ts’: ‘1710959400000’}, {‘interval’: ‘I1’, ‘open’: 109.6, ‘high’: 112.15, ‘low’: 108.85, ‘close’: 110.15, ‘volume’: 30520, ‘ts’: ‘1711009020000’}, {‘interval’: ‘I1’, ‘open’: 109.8, ‘high’: 110.05, ‘low’: 103.75, ‘close’: 105.55, ‘volume’: 29920, ‘ts’: ‘1711009080000’}, {‘interval’: ‘I30’, ‘open’: 115.45, ‘high’: 130.5, ‘low’: 107.6, ‘close’: 113.8, ‘volume’: 833920, ‘ts’: ‘1711007100000’}, {‘interval’: ‘I30’, ‘open’: 114.4, ‘high’: 115.75, ‘low’: 103.75, ‘close’: 105.55, ‘volume’: 135160, ‘ts’: ‘1711008900000’}]}, ‘eFeedDetails’: {‘atp’: 135.52, ‘cp’: 68.25, ‘vtt’: ‘8152840’, ‘oi’: 429960.0, ‘tbq’: 66720.0, ‘tsq’: 98640.0, ‘lc’: 0.05, ‘uc’: 508.1, ‘poi’: 116680.0}}}},