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ritmex-bot/docs/ccxt/wiki/examples/py/normalize-sparse-candle-timestamps.md
2025-10-03 15:28:16 +08:00

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- [Normalize Sparse Candle Timestamps](./examples/py/)
```python
# -*- coding: utf-8 -*-
import os
import sys
from pprint import pprint
import ccxt # noqa: E402
exchange = ccxt.binance()
symbol = 'ETH/BTC'
timeframe = '1h'
candles = exchange.fetch_ohlcv(symbol, timeframe)
# timeframe duration in seconds
duration = exchange.parse_timeframe(timeframe)
# timeframe duration in milliseconds
duration *= 1000
pprint([[
exchange.iso8601(int(round(candle[0] / duration)) * duration),
candle[1], # o
candle[2], # h
candle[3], # l
candle[4], # c
candle[5] # v
] for candle in candles])
```