I have been testing a strategy on the live market but with a sim account. Can anyone comment on how accurate this is when compared to trading with real money/real contracts on the live market? For instance, if I ran a strategy on a sim account and the same strategy on a real-money account on an actual trading day in real-time (no backtest) how close should I expect their end-of-day PnL's to be?
Is it within, say, 90% 95% or 99% accuracy? OK if lower, just trying to assess the accuracy rate. Assume there are no problems with margin. Thank you!
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