Equity Compensation
Tax Year 2026
The actual 2026 federal tax on an RSU vest at eight income levels, why "marginal rate minus 22%" overstates the gap, the safe-harbor and withholding-timing rules that decide whether you owe a penalty, and the Form 8949 basis correction that stops the vest being taxed twice.
Investing
9 min read
Stocks, options, futures, swept cash, and crypto in one login sit under three different legal regimes. What SIPC's $500,000 limit and $250,000 cash sub-limit actually cover, how excess-SIPC policies at Fidelity, Schwab, IBKR, and tastytrade compare, and why futures have no insurance fund at all.
Markets & Macro
10 min read
Money creation, central bank rate swings, and the Cantillon effect explained as one household — plus what the analogy simplifies, and where six kinds of family member actually sit.
Markets & Macro
6 min read
How the Fed's Jackson Hole rate-cut path moves 10-Year Treasury yields and MBS convexity, and the break-even math behind refinancing a $1.8 trillion mortgage cohort.
Equity Compensation
4 min read
A case study of a $1.1 million paper stock grant that triggered a $264,000 AMT bill on shares that couldn't be sold, and the IRC §56(b)(3) mechanics and Form 8801 credit behind it.
Equity Compensation
7 min read
A 500-case parameter sweep across incomes, spreads, states, and filing statuses, mapping where zero-AMT exercise capacity collapses and where the OBBBA phase-out band creates a 42% marginal penalty zone.
Behavioral Economics
3 min read
Why an $80 dinner leaves zero regret while a $20 shirt haunts you for weeks: the mental accounting behind ephemeral versus durable spending, and the cost-per-wear fix.
UK Tax Policy
1 min read
How HMRC's personal allowance taper between £100,000 and £125,140 creates an effective 60% marginal tax rate, and how pension salary sacrifice claws it back.
UK Tax Policy
1 min read
ISAs offer full liquidity, but SIPPs return upfront 40% HMRC tax relief - the mathematical breakeven for UK higher-rate taxpayers choosing between the two.
Business Tax Strategy
2 min read
A case study of the 6,000-pound GVWR threshold, Section 179, and bonus depreciation, and how they turn a $185,000 heavy SUV into a six-figure first-year deduction — plus the mileage-log audit risk that comes with it.
Agriculture & Commodities
13 min read
Fertilizer costs, land rents, and machinery debt combine to set the exact corn and soybean price a 1,000-acre Midwest grain operation needs just to break even in 2026.