May 26 (10-May-26) Past 2 weeks have been tough for my system. All 4 expiry days in past 2 weeks have been in losses with last Sensex expiry having maximum day loss for this financial year. Movements during the expiry days are so erratic that even the safe strategies like Nifty 5 Point / Sensex 10 Point hit Stop-loss on both sides which is rare. Also one of the Sensex expiry day strategy which is re-entry based had maximum loss on last Sensex expiry day though the backtest for same is showing a profit. As my trading system is based on backtesting and if backtesting cannot be relied upon then it creates doubt on the system. At same time, possibility of deviation b/w backtesting and actuals is always high for re-entry based strategies and more so when there are random premium spikes on a day. With this the month is running at a loss of more than a lakh. Hoping that future expiry weeks will not be this tough. Apr 26 (01-May-26) April month was good except for the last wee...