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Live trading not tracking backtesting

I have two algos running in live Quantopian paper trading mode. Unfortunately, neither are tracking the current backtest results. Both of these algos were "borrowed" from other users.

I've attached one example. In live mode, 277 shares of XIV was purchased on 8/25. The backtest shows the current position should be half AGG and half XIV.

I'm at a loss as to how to troubleshoot this and fix it.

I've got another algo also not tracking the backtest -- also a volatility-based system for what that may mean.