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docs/ccxt/wiki/examples/py/async-fetch-ohlcv-multiple-symbols-continuously.md

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+- [Async Fetch Ohlcv Multiple Symbols Continuously](./examples/py/)
+
+
+ ```python
+ # -*- coding: utf-8 -*-
+
+import os
+import sys
+from asyncio import run, gather
+
+import ccxt.async_support as ccxt  # noqa: E402
+
+print('CCXT Version:', ccxt.__version__)
+
+
+async def fetch_ohlcv(exchange, symbol, timeframe, limit):
+    since = None
+    while True:
+        try:
+            ohlcv = await exchange.fetch_ohlcv(symbol, timeframe, since, limit)
+            if len(ohlcv):
+                first_candle = ohlcv[0]
+                datetime = exchange.iso8601(first_candle[0])
+                print(datetime, exchange.id, symbol, first_candle[1:])
+        except Exception as e:
+            print(type(e).__name__, str(e))
+
+
+async def main():
+    exchange = ccxt.binance()
+    timeframe = '1m'
+    limit = 1
+    symbols = [ 'BTC/USDT', 'ETH/USDT' ]
+    loops = [fetch_ohlcv(exchange, symbol, timeframe, limit) for symbol in symbols]
+    await gather(*loops)
+    await exchange.close()
+
+
+run(main())
+ 
+```