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A better strategy would be not to trade options that expire the same day. Extremely risky. A better strategy would be to understand what you are doing and asking questions before you place a trade. Learn first, trade later. And if you think education is expensive, try ignorance.

It turns out that my issue was based on a misunderstanding. I am not permitted to trade TLT for the reasons given above but I am permitted to trade TLT options. Thankfully I can still follow the SteadyYields trades.

I trade using IB (I am in France) and I never met this kind of issue. From my experience, it turned out that they always replied to me when I add a problem, even if it was with a certain delay by mail. You can also directly call them and ask.

This is an excellent question, and I completely understand the concern, considering the history.. We manage risk in the following ways: First is position sizing. We typically don't utilize more than 50-60% of the model portfolio. The main trade (based on the algo developed by @Romuald) is around 30% ($3k) and there are 1-3 extra trades based on Monte Carlo simulation tool. Second is managing the negative gamma. The trades are typically opened 5-7 weeks to expiration and closed 2-3 weeks to expiration, to reduce the negative gamma. That said, sometime even the best intentions go wrong. Last week we closed the long term bullish TLT trade that was opened months ago and went against us right from the beginning. We held it to give the thesis to develop, but unfortunately it didn't happen, and the trade was closed for $2,700 loss. Along with two other trades, we will record ~18% in October. This is probably as bad as it gets, but considering the fact that we make around 5-7% a month on average, we consider it an acceptable drawdown. We will be still up 56% in 2025 in 10 months, far exceeding our profit target of 30-40%. Hope this answers the question.

The better strategy is to understand gamma. Option trading in most circumstances is not rocket science and just playing percentages but the one thing that absolutely rips any strategy is gamma. When you have 0 dte trades gamma is sky high - I have a higher tolerance for it than Kim but I respect his point of view. If gamma moves against you and there is barely any time to expiry there is nothing you can do to control the outcome except pray.

I added a new coupon on the first page of this thread.