You need a clear, simple guide that tells you what you’re investing for and how you’ll act when markets wobble. A written investment plan does that by naming goals, risk limits, and decision rules you can follow instead of reacting in the moment.
Dr. James M. Dahle credits this approach for keeping him steady through the 2008–2009 bear market. His IPS spelled out inflation-adjusted goals and a three-month wait before major changes, which kept him from selling at the low.
CAPTRUST and guidance notes describe an investment policy statement as a short document that lists strategy, target allocations, and rebalancing signals. You’ll see how to write one simply and review it yearly.
By the end of this guide you’ll have a usable template, clear steps to set goals and choose allocation, and rules to monitor performance. The result: less improvisation, more consistency, and a process your family can follow if needed. Learn more about the formal structure at investment policy statement.
How a written investment plan keeps you consistent when markets get messy
Clear directions let you turn goals into calm decisions during market noise. When you write down your financial goals and the rules you will follow, you create a usable decision basis that removes guesswork.
Turn your financial goals into a clear decision-making basis
Define the why and the when: who needs the money, how much, and when you will use it. That basis makes choices about new contributions and trade-offs straightforward.
Reduce emotion-based investing during market volatility
“We will not panic and sell securities due to market corrections.”
That simple commitment helped him avoid selling at the low. A pre-committed rule limits reactionary decisions and keeps your portfolio aligned with long-term goals.

Improve accountability and continuity over time
A short policy statement shows when you drift into collecting accounts instead of following rules. It also captures key information so loved ones or new advisors can quickly track intent.
Most people only need an annual review plus a few trigger-based checks. That rhythm preserves consistency, keeps contributions steady, maintains target allocation, and helps your money keep working through changing markets.
What to include in your IPS-style document
Start by listing clear goals with numbers, dates, and the reason each goal matters to you. That makes choices easier when markets move and helps you measure progress.

Define goals with dollars, dates, and purpose
Write specific totals and timelines: a retirement target, an annual income goal, or a $50,000 down payment by a given date. Use inflation-adjusted figures when you can.
Model: Dr. Dahle set an inflation-adjusted goal of $100,000 per year by a target date and a savings rate floor of 20% annually.
Set risk tolerance and time horizon
Describe how much volatility you can live with and how long the money must stay invested. Link each goal to a time horizon so allocation matches need.
Spell out your investment policy
State whether you favor index funds or active funds, how you control costs and minimize taxes, and any fund-selection rules you’ll follow.
Inventory accounts, holdings, and contribution rules
List accounts (401(k), IRA, taxable brokerage, HSA), current holdings, and a default rule for where new money goes. This makes tracking simple.
Document decision rules and restrictions
Note triggers for review, mandatory waiting periods, concentration limits, and values-based exclusions. Keep the policy statement concise and set an annual review cadence.
How to choose asset allocation and asset classes for your investment portfolio
Your asset allocation should reflect both the timeline for each goal and how much volatility you can tolerate. Link short-term needs to stability and long-term goals to growth so your choices match real use dates and risk appetite.
Build a core mix: stocks, bonds, and cash
Think of three jobs: stocks for growth, bonds for stability, and cash for liquidity. For money you will spend soon, favor bonds and cash. For distant goals, favor stocks to capture market growth.
Diversify across U.S. and international equity with sensible tilts
Split equity between U.S. and non-U.S. markets; many IPS examples use at least one-third non-U.S. equity. If you add tilts like value or small-cap, do so sparingly and only if you will stay the course.
Use ranges, rebalancing rules, and guardrails
Express targets as ranges (for example, 65%–75% equity) rather than a single point. Rebalance on a calendar (annually) or when an allocation drifts beyond thresholds (commonly 5–10 percentage points).
Include guardrails such as “no asset class above 30% or below 5%.” As an example, Dr. Dahle used a 75/25 equity-to-fixed-income start with a glide toward 60/40, an international equity minimum, and a 5/25-style rebalance rule.
Implement with low-cost funds to keep costs and taxes low. Clear ranges and rules help you act calmly during market declines and avoid reactionary changes that can hurt long-term results.
Make the plan usable: emergency fund, debt, contributions, and monitoring
Turn your high-level policies into daily habits so money stays available when life interrupts.
Spell out an emergency fund policy: how many months you keep, what counts as an emergency, and where the cash lives. Dr. Dahle started with three months and later kept six months in guaranteed vehicles such as a high-yield savings account, short-term bonds, or CDs.
Coordinate debt and saving
Decide how you pick between paying high-rate debt and funding retirement accounts. A useful rule: pay down high-interest debt first, while maxing tax-sheltered accounts if possible.
Set a home rule, for example keeping mortgage plus property taxes under 20% of income and aiming to have the mortgage cleared by retirement.
Set contribution rules and yearly adjustments
Fix a target savings rate (Dahle used 20% as a floor) and a default destination for new money. Automate contributions and add a simple annual increase tied to raises or a fixed review each year.
Define monitoring and a cooling-off rule
Specify what you’ll review (goal progress, savings rate, allocation ranges, fees and taxes), how often (quarterly checkups, annual deep reviews), and triggers for action.
“We will not panic and sell securities due to market corrections. Wait three months before major changes.”
Include rebalancing steps: use new contributions first, rebalance if you breach thresholds, and limit forced selling to rare, documented events. Finally, make sure beneficiaries, automatic contributions, and emergency access are confirmed so the statement is practical when you need it most.
Conclusion
Close with a reminder that a clear process beats gut reactions in market turbulence. A short investment policy statement ties your goals to simple rules so you can act calmly when markets wobble.
Keep the IPS concise. Record goals with numbers and dates, a risk/time horizon, asset-allocation ranges, and rebalancing and monitoring rules. Note emergency-fund and debt coordination steps.
Make the document personal and secure. CAPTRUST-style continuity and annual review improve accountability, and Dr. Dahle’s approach shows a signed statement and a cooling-off rule reduce costly moves.
Block 60–90 minutes to draft your first version and set a yearly review. Store it safely and tell a partner where it lives. For more on practical choices, see investment strategies.





