Risk Management

A Model Portfolio: 40% SPY / 30% TLT / 20% GLD / 10% SLV, Plus a Small Options Overlay

NewLeaf System Team2026-06-2111 min read

Most people hold one bet: a pile of stocks, and hope. It works until it doesn't — and the years it doesn't are the ones that matter. A more durable approach is to build a balanced core that holds up across different economic weather, then add a small, defined-risk options overlay for extra yield on top. This article walks through one illustrative model: a four-fund core, a tiny options sleeve, and a rebalancing rule.

To be clear up front: this is an educational illustration, not a recommendation. The right mix for you depends on your goals, time horizon, and risk tolerance — and on advice from a professional who knows your situation.

The core: four funds that disagree with each other

Diversification only works when your holdings do not move together. The point of this core is that each piece tends to shine when another struggles, smoothing the overall ride:

AllocationFundRole
40%SPYEquity growth — the engine of long-run returns.
30%TLTLong Treasuries — recession and deflation hedge; rises in flights to safety.
20%GLDGold — inflation and crisis hedge; insurance against currency stress.
10%SLVSilver — inflation plus industrial demand; a smaller, more volatile satellite.
Coremix
40% SPY · equities
30% TLT · long Treasuries
20% GLD · gold
10% SLV · silver
One illustrative core: 40% growth, 60% in assets that tend to zig when stocks zag.

That is 40% growth and 60% in assets that historically zig when stocks zag. The mix will not win every year — by design, something is usually lagging. What it aims for is fewer catastrophic years, which is what actually lets compounding work.

Why a mix like this holds up across regimes

No one knows which economic regime is next. Instead of predicting, this core tries to own something for each:

RegimeTends to helpTends to hurt
Growth / expansionSPYTLT, gold lag
Recession / deflationTLTSPY
InflationGLD, SLVTLT
Crisis / flight to safetyTLT, GLDSPY
The goal is not maximum return — it is a smoother path.A portfolio that drops 50% needs a 100% gain just to break even. One that only ever draws down 15–20% spends far less time clawing back, so the long-run compounding stays intact.

The options overlay: small by design (~5%)

On top of the core, this model sets aside roughly 5% of capital as the risk and margin budget for a defined-risk options income sleeve — selling premium with structures like iron condors and credit spreads. The core does the heavy lifting; the overlay is a yield satellite, not the main event.

Keeping it to ~5% is the whole discipline. Even a brutal losing stretch in the options sleeve barely scratches the portfolio, because the position sizing is small relative to total capital — exactly the risk-of-ruin logic in our compounding article. Size each trade with the position sizing framework, and let the conditions choose the structure.

Margin is leverage, and leverage cuts both ways.A small, defined-risk overlay is very different from running large leveraged or undefined-risk positions. Keep the sleeve small, keep every position defined-risk, and never let the "extra yield" tempt you into sizing that can damage the core.

Rebalancing: sell strength, buy weakness — on a rule

Left alone, the winners grow and quietly take over the portfolio, concentrating risk in whatever just ran up. Rebalancing fixes that by periodically trimming what is above target and topping up what is below — a disciplined, counter-cyclical habit that forces "sell high, buy low" without prediction. Focus the rebalancing on the three core pillars — SPY, TLT, and GLD — with silver treated as a smaller satellite that can drift a bit more.

Two common rules (pick one and stick to it):

  • Calendar: rebalance back to target weights on a fixed schedule — quarterly or annually.
  • Threshold bands: rebalance only when a holding drifts beyond a band (for example, ±5 percentage points, or ±20% of its target weight). This trades less and lets winners run a little.

An example of the threshold idea: if SPY's 40% target drifts to 47% after a strong run, you trim it back to 40% and redeploy the proceeds into whatever has fallen below target — often TLT or gold. You are systematically taking chips off whatever is hot and adding to whatever is out of favor. Over time, that harvested volatility is a quiet source of return and, more importantly, of risk control.

Mind the frictions.Rebalancing in a taxable account can trigger taxable gains, and every trade has costs. Doing it in tax-advantaged accounts, or using new contributions to top up laggards, keeps the bill down.

Frequently asked questions

Is this the "right" allocation for me?
There is no universal right allocation. These weights are one illustrative model, not advice. A younger investor might tilt more to equities; someone near retirement might hold more bonds. Use it as a framework to think about diversification, not a prescription.
How often should I rebalance?
Most evidence suggests less is more — quarterly or annually, or only when a holding breaks its threshold band. Over-rebalancing piles up costs and taxes without improving results. Consistency matters more than frequency.
Why keep the options sleeve so small?
Because its job is to add a little yield, not to become the portfolio. At ~5%, even a bad run in the overlay is survivable and the diversified core stays in charge. Size discipline is what keeps the strategy repeatable.
Educational disclaimer.This article is for educational purposes only and is not investment advice or a recommendation to buy or sell any security. Allocations are hypothetical and illustrative; they do not guarantee any outcome and may not be suitable for your circumstances. Diversification does not ensure a profit or protect against loss. Options and margin involve substantial risk and are not suitable for all investors. Consult a licensed financial professional before making investment decisions.

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