Nivritee Research · Investing & global markets

Index funds, global markets, fees and gold

What a century of returns across countries, and decades of fund data, say about how to invest and what it costs. 6 articles, every figure sourced.

Index funds vs active funds: the SPIVA data

Most actively managed equity funds trail their benchmark after fees, and the share grows with time: to June 2026, 90.5% of US large-cap funds lagged the S&P 500 over 15 years. India and Europe show the same long-run pattern, with real exceptions — Indian mid- and small-cap funds had their best year against the index since 2014 in 2025. Winners rarely stay winners, and the cheapest funds succeed most often.

Investing & global markets

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Global diversification: 125 years of returns

Across 126 years of the Dimson–Marsh–Staunton data, equities were the best asset in every market with a continuous history — yet over 1900–2005 real returns ranged from about 2.4% to 7.8% a year by country, Russian and Chinese investors lost everything, and German and Japanese shares fell over 85% in the 1940s. A world portfolio has been steadier than almost any single market. The US century was exceptional, and that is the reason not to assume it repeats.

SIP vs lump sum: what the evidence says

With money already in hand, investing it at once has beaten feeding it in over a few months roughly two-thirds of the time, by about 2% after a year for an all-equity portfolio, because markets rise more often than they fall. A SIP from each month’s salary is not that choice: it invests money as soon as it exists. Its real advantage is behavioural: automatic, regular investing takes the stop-start timing decisions out of investors’ hands.

Asset allocation by age: rules and glide paths

Rules like “own your age in bonds” and target-date funds both cut shares as you age — Vanguard’s default path holds 90% in shares until about 40 and 30% by 72. The research behind them is really about horizon and human capital: a long horizon and a steady salary can carry more shares, while the years either side of stopping work carry the most risk. Early retirees face a longer horizon and a longer danger window at once.

What investment fees cost over 30 years

A fee is charged every year on the whole balance, so it compounds against you. On 7% a year before costs, a 1% yearly charge leaves about a quarter less after 30 years than no charge at all, and 2% leaves over 40% less. Fund costs have fallen sharply — US equity funds averaged 0.40% in 2025 against 1.04% in 1996 — but platform and adviser layers sit on top, and in India a regular plan carries a distributor’s commission that a direct plan does not.

Gold returns over 50 years vs stocks and inflation

From 1971 to 2025 gold returned about 9.0% a year in dollars against 11.1% for US shares with dividends and 3.9% inflation. The average hides two long droughts: gold fell about 70% from its 1980 peak to its 1999 low and took until 2025 to pass that peak after inflation. For Indian households a weaker rupee softened the slump, and gold’s real case is as a diversifier that has often risen when shares fell, not as a growth engine.

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