Simulate how cash, gold, real estate, equities, and fixed-supply digital assets hold up against fiat decay rates up to 200% annually. Model monetary collapse in real time.
🔥HYPER-INFLATIONARY REGIME ACTIVE - Annual inflation above 50% signals monetary crisis. Cash is being destroyed faster than any interest rate can compensate.
Macro Setup & Timeline
Asset Class Real Returns (above inflation)
Remaining Purchasing Power of Cash After 10 Years
$23,188
Your $149,745 nominal cash balance will only buy what $23,188 buys today. Fiat decay consumed 76.8% of your real wealth.
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Cash / Fiat
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Real purchasing power
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Physical Gold
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Real purchasing power
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Real Estate
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Real purchasing power
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Broad Equities
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Real purchasing power
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Fixed-Supply Digital
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Real purchasing power
Purchasing Power Milestone Table
Year
Cash Real $
Gold Real $
Real Estate $
Equities $
Digital $
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Key Terms Explained
Hyper-Inflation
A condition of extremely rapid, typically accelerating price-level increases, conventionally defined as monthly price growth exceeding 50%. At this pace, annual purchasing power destruction exceeds 99%.
Purchasing Power
The quantity of goods and services one unit of currency can buy. As inflation rises, purchasing power falls: the same dollar buys fewer eggs, hours of labor, or acres of land over time.
Real vs. Nominal Returns
A nominal return is the raw percentage gain on an investment. A real return subtracts the inflation rate to reveal actual purchasing power gained. A 10% nominal return during 15% inflation is actually a -5% real return.
Fiat Decay
The gradual or rapid erosion of a fiat currency's value resulting from excess money supply growth. Unlike commodity money, fiat currencies have no intrinsic value floor and can theoretically decay to zero.
Monetary Velocity
The rate at which money circulates through the economy. In hyper-inflation, velocity accelerates dramatically as people spend currency as fast as possible before it loses further value, which itself amplifies price increases.
Hard Assets
Physical or otherwise supply-constrained assets whose value is not determined by a central authority's promise. Includes gold, silver, land, commodities, and fixed-supply cryptocurrencies. They serve as stores of value when fiat currencies fail.
Cantillon Effect
The observation that newly created money benefits those closest to the source (banks, governments, large asset holders) before prices rise, systematically transferring real wealth from savers and wage earners to asset owners.
Inflation Hedge
An asset whose value tends to rise alongside or faster than the general price level, preserving or growing real purchasing power during inflationary periods. Quality, liquidity, and legal accessibility all affect an asset's effectiveness as a hedge.
The Complete Guide to Inflation, Purchasing Power, and Wealth Preservation
Inflation is not merely an inconvenience: it is a tax on savers. When a government or central bank creates money faster than the economy produces real goods and services, each existing dollar can claim a smaller slice of total output. This tool lets you model that destruction quantitatively, and compare how different asset classes respond across a spectrum from mild (5%) to catastrophic (200%) annual inflation rates.
How to Use This Tool
Set your initial capital, your expected annual inflation rate, and your investment time horizon using the controls on the left. The right panel holds the expected real returns (above inflation) for each asset class. All values update instantly - no button needed. The hero metric shows the final real purchasing power of your cash position, while the asset cards and milestone table reveal the full divergence trajectory year by year.
The real returns for hard assets are calibrated to long-run historical estimates. You are encouraged to adjust them based on your own research: gold's long-run real return has been close to zero historically, while broad equities have produced roughly 5-7% real returns over century-long periods. The digital asset real return is far more speculative and should be treated as a scenario input, not a projection.
Why Nominal Balances Are Misleading
Conventional financial thinking focuses on nominal account balances. A savings account that grows from $100,000 to $149,000 over ten years looks like a 49% gain. But if inflation averaged 15% annually during that period, the cumulative price level rose by roughly 305%. Your $149,000 balance now buys only what $48,800 bought at the start. You did not gain 49%: you lost more than half your real wealth while the number in your account went up. This is the mathematical core of fiat decay, and it is precisely what this tool makes visible.
The Spectrum from Moderate to Hyper-Inflation
At 5-10% annual inflation, the damage compounds slowly and is easy to ignore. A 7% inflation rate halves purchasing power in roughly ten years. At 20-50%, the destruction accelerates sharply: purchasing power falls 80-90% over a decade. Above 50% annually (the conventional threshold for hyper-inflation), the math becomes almost unbelievable. At 100% inflation, your cash loses half its value every single year. At 200%, it loses two-thirds per year. Historic episodes - Weimar Germany, Zimbabwe, Venezuela, Hungary 1946 - confirm that these numbers are not theoretical: they happen when monetary discipline collapses.
Asset Classes as Inflation Defense
Not all assets respond to inflation the same way. Cash and fixed-rate bonds are the most vulnerable because their nominal payouts are fixed or limited by market rates that rarely keep pace in inflationary spirals. Equities offer partial protection because they represent claims on real productive assets with pricing power, but they can underperform in the short run as rising rates compress valuations. Real estate benefits from rising replacement costs and tends to hold real value over long horizons. Gold has a centuries-long track record as a reserve asset during monetary crises: it cannot be printed or diluted by policy decree. Fixed-supply digital assets like Bitcoin attempt to replicate gold's scarcity property in digital form, though they carry additional volatility and regulatory risk that gold does not.
Frequently Asked Questions
Hyper-inflation is conventionally defined as a monthly inflation rate exceeding 50%, a threshold first formalized by economist Phillip Cagan in 1956. At 50% per month the annual equivalent is roughly 12,875%. Real-world examples include Weimar Germany (1923), Zimbabwe (2007-2009, peaking at 89.7 sextillion percent monthly), and Venezuela (2018). The common trigger is a government financing deficits by printing money far in excess of real economic output.
Cash earns a nominal interest rate, but what matters is the real interest rate: nominal rate minus inflation. When inflation is 20% and your savings account pays 4%, your real return is negative 16% per year. Every dollar you hold loses 16 cents of purchasing power annually even though your account balance grows. At hyper-inflationary levels above 50%, even a generous nominal interest rate cannot keep pace with fiat decay, which is why households in hyperinflationary environments rush to convert cash into physical goods, foreign currency, or hard assets.
Equities represent ownership of real productive assets: factories, brands, patents, and cash flows. When inflation rises, companies with pricing power can raise prices, increasing nominal revenues and earnings. Over long periods, broad equity indexes have historically outpaced inflation, making stocks a partial hedge. The key qualifier is partial: in severe or hyper-inflationary episodes, real equity returns often turn negative in the short run as rising costs squeeze margins and rising interest rates compress valuations. Equities perform best as an inflation hedge over multi-decade horizons and in moderate inflation environments.
Gold has served as the classic store of value during currency collapses. During the Weimar hyperinflation, gold priced in Reichsmarks rose by billions of percent, preserving the real wealth of holders. In Zimbabwe, gold prices tracked the collapse of the Zimbabwe dollar almost perfectly. In Venezuela, those who held gold preserved purchasing power while bolivar holders lost everything. Gold's real return is near zero over very long periods (it produces no income), but its key property is that it cannot be printed, making it structurally immune to monetary debasement by any issuing authority.
The Cantillon Effect, named after 18th-century economist Richard Cantillon, describes how newly created money is not distributed evenly. Those closest to the money creation (banks, large corporations, governments, and asset owners) receive the new money first, before prices rise, and can use it to buy assets at pre-inflation prices. By the time the new money reaches ordinary workers and savers through wages and goods prices, prices have already risen. The effect systematically transfers real wealth from late receivers (wage earners, savers) to early receivers (asset holders), making asset ownership the primary defense against inflation-driven wealth erosion.
Disclaimer: This tool is for educational and illustrative purposes only and does not constitute financial, investment, or economic advice. All projections use simplified compound interest formulas and assumed constant rates. Real-world inflation and asset returns are highly variable. Past performance of any asset class during inflation does not guarantee future results. Consult a qualified financial advisor before making investment decisions.