diff --git a/freqtrade/exchange/exchange.py b/freqtrade/exchange/exchange.py
index b6709d0db..0817df0fc 100644
--- a/freqtrade/exchange/exchange.py
+++ b/freqtrade/exchange/exchange.py
@@ -1841,6 +1841,8 @@ class Exchange:
         if self.funding_fee_cutoff(open_date):
             open_date += timedelta(hours=1)
         timeframe = self._ft_has['mark_ohlcv_timeframe']
+        timeframe_ff = self._ft_has.get('funding_fee_timeframe',
+                                        self._ft_has['mark_ohlcv_timeframe'])
         open_date = timeframe_to_prev_date(timeframe, open_date)
 
         fees: float = 0
@@ -1852,7 +1854,7 @@ class Exchange:
         mark_comb: PairWithTimeframe = (
             pair, timeframe, CandleType.from_string(self._ft_has["mark_ohlcv_price"]))
 
-        funding_comb: PairWithTimeframe = (pair, timeframe, CandleType.FUNDING_RATE)
+        funding_comb: PairWithTimeframe = (pair, timeframe_ff, CandleType.FUNDING_RATE)
         candle_histories = self.refresh_latest_ohlcv(
             [mark_comb, funding_comb],
             since_ms=open_timestamp,
diff --git a/freqtrade/exchange/okex.py b/freqtrade/exchange/okex.py
index 62e6d977b..20e142824 100644
--- a/freqtrade/exchange/okex.py
+++ b/freqtrade/exchange/okex.py
@@ -16,6 +16,8 @@ class Okex(Exchange):
 
     _ft_has: Dict = {
         "ohlcv_candle_limit": 100,
+        "mark_ohlcv_timeframe": "4h",
+        "funding_fee_timeframe": "8h",
     }
 
     _supported_trading_mode_collateral_pairs: List[Tuple[TradingMode, Collateral]] = [
diff --git a/tests/exchange/test_ccxt_compat.py b/tests/exchange/test_ccxt_compat.py
index 1da109cfb..122e6e37c 100644
--- a/tests/exchange/test_ccxt_compat.py
+++ b/tests/exchange/test_ccxt_compat.py
@@ -202,7 +202,9 @@ class TestCCXTExchange():
 
         pair = EXCHANGES[exchangename].get('futures_pair', EXCHANGES[exchangename]['pair'])
         since = int((datetime.now(timezone.utc) - timedelta(days=5)).timestamp() * 1000)
-        pair_tf = (pair, '1h', CandleType.FUNDING_RATE)
+        timeframe_ff = exchange._ft_has.get('funding_fee_timeframe',
+                                            exchange._ft_has['mark_ohlcv_timeframe'])
+        pair_tf = (pair, timeframe_ff, CandleType.FUNDING_RATE)
 
         funding_ohlcv = exchange.refresh_latest_ohlcv(
             [pair_tf],
@@ -212,9 +214,8 @@ class TestCCXTExchange():
         assert isinstance(funding_ohlcv, dict)
         rate = funding_ohlcv[pair_tf]
 
-        expected_tf = exchange._ft_has['mark_ohlcv_timeframe']
-        this_hour = timeframe_to_prev_date(expected_tf)
-        prev_hour = timeframe_to_prev_date(expected_tf, this_hour - timedelta(minutes=1))
+        this_hour = timeframe_to_prev_date(timeframe_ff)
+        prev_hour = timeframe_to_prev_date(timeframe_ff, this_hour - timedelta(minutes=1))
         assert rate[rate['date'] == this_hour].iloc[0]['open'] != 0.0
         assert rate[rate['date'] == prev_hour].iloc[0]['open'] != 0.0