The Beginning: A Beautiful Arbitrage Dream Recently while browsing Zhihu (Chinese Quora), I came across a post with an enticing title: "Stable Way to Get Rich in Crypto: 3,000 USDT to 12,000 USDT in Three Months." I laughed. Stable? Get rich? When th...

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Arnold Holm
I turn your trading setup into an MT5 bot with your prop firm's daily and max loss rules built in. Try it free on demo first.
The second-leg failure case also needs a failure of the rollback order. The example sends closebuy and then returns without checking whether the first leg actually closed, so it can leave directional exposure. I would record both fills and require a confirmed flat state, or an explicit unresolved-exposure state that blocks another entry. A timeout is a separate case from a rejected order because the fill may already exist.