diff --git a/app/bybit/open_positions.py b/app/bybit/open_positions.py
index 5fe98b2..2c14636 100644
--- a/app/bybit/open_positions.py
+++ b/app/bybit/open_positions.py
@@ -54,12 +54,6 @@ async def start_trading_cycle(
             tg_id=tg_id,
             symbol=symbol,
             mode=0)
-        await set_margin_mode(tg_id=tg_id, margin_mode=margin_type)
-        await set_leverage(
-            tg_id=tg_id,
-            symbol=symbol,
-            leverage=leverage,
-        )
 
         await rq.set_user_deal(
             tg_id=tg_id,
@@ -316,7 +310,12 @@ async def open_positions(
     try:
         client = await get_bybit_client(tg_id=tg_id)
         get_ticker = await get_tickers(tg_id, symbol=symbol)
-        price_symbol = safe_float(get_ticker.get("lastPrice")) or 0
+
+        if get_ticker is None:
+            price_symbol = 0
+        else:
+            price_symbol = safe_float(get_ticker.get("lastPrice"))
+
         instruments_info = await get_instruments_info(tg_id=tg_id, symbol=symbol)
         qty_step_str = instruments_info.get("lotSizeFilter").get("qtyStep")
         qty_step = safe_float(qty_step_str)
diff --git a/app/bybit/set_functions/set_tp_sl.py b/app/bybit/set_functions/set_tp_sl.py
index eded48f..7c95a60 100644
--- a/app/bybit/set_functions/set_tp_sl.py
+++ b/app/bybit/set_functions/set_tp_sl.py
@@ -25,11 +25,13 @@ async def set_tp_sl_for_position(
     """
     try:
         client = await get_bybit_client(tg_id)
+        take_profit = round(take_profit_price, 6) if take_profit_price is not None else None
+        stop_loss = round(stop_loss_price, 6) if stop_loss_price is not None else None
         resp = client.set_trading_stop(
             category="linear",
             symbol=symbol,
-            takeProfit=str(round(take_profit_price, 5)),
-            stopLoss=str(round(stop_loss_price, 5)),
+            takeProfit=str(take_profit) if take_profit is not None else None,
+            stopLoss=str(stop_loss) if stop_loss is not None else None,
             positionIdx=position_idx,
             tpslMode="Full",
         )