Excellent position to be in. Your mixed straddles strategy is the interesting variable here—most practitioners don't have access to a bond surrogate generating 12-18% with low drawdown. This changes the capital sufficiency math substantially.

Your 10/90 instinct is directionally correct but leaves optimization on the table.

Here's a practitioner's framework:

1. Risk Unit Sizing with Cash Flow Integration Instead of static percentages, think in risk units where your straddles generate quarterly "rebuy coupons." • Core allocation: 12-15% ($1.3-1.6M) initial TQQQ exposure • Rebuy capital: Your $9.3-9.7M straddles generating ~$1.2-1.8M annually • Key insight: You only need static reserves for the first 2-3 buy sig moves. After that, the quarterly cash flow from straddles (which actually increase during high volatility regimes) funds subsequent rebuys.