The S&P 500 Number You See Quoted Is a Price Index. It's Missing Your Total Return
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5 min read
The S&P 500 closed 2025 at 6,845.50 and stood at 7,753 on August 10, 2026, a gain of about 13.3%. That is the number every headline quotes. It is also incomplete. The S&P 500 you see quoted is a price return index. It tracks share prices only. A separate total return version of the same index, one that adds back every dividend paid along the way, closed the same day at 17,356.69, not 7,753. Same index, same day, two different numbers.
A price return index, sometimes just called a price index, measures only what happens to the share prices of its member companies. If prices rise, the index rises. If a company pays a dividend, the price index does not care. The cash lands in shareholders' accounts and the index never counts it.
A total return index tracks the same companies, but assumes every dividend gets reinvested back into the index the day it is paid. Over one quarter, the gap between the two is small. Over a decade, it compounds into a genuinely different number.
Total return = Price return + Dividends reinvested
This is not a rounding error or a data quirk. It is simply what each index is built to measure, and most numbers reported in the news, including "the S&P 500 is up 13% this year," are the price version.
Zoom out to 10 years and the gap gets serious. SPY, the ETF that tracks the S&P 500's price index, grew at a 13.15% annualized rate over the past decade (FinanceCharts, retrieved 2026-08-11). A separate calculation of $10,000 invested in an S&P 500 fund back in 2016, with dividends reinvested, put the total return at 322%: $10,000 became $42,224, a 15.49% annualized rate (Yahoo Finance, retrieved 2026-08-11).
Run the 13.15% price-only rate over that same $10,000 for 10 years instead, and it grows to about $34,399, a self-derived figure combining the two sourced rates above. The difference, roughly $7,825, or about 23% more ending value, is what dividends added on top of what the quoted "price return" number ever counted.
Right now, the S&P 500's dividend yield sits at 1.04% a year (GuruFocus, retrieved 2026-08-11), among the lowest levels in generations. That is roughly how much return the quoted number is missing every year today, before compounding takes over.
Indonesia's benchmark index works the same way. IHSG (Indeks Harga Saham Gabungan) is a free-float market-cap-weighted price index. It measures share prices only, and dividend payments are never added back into the number, confirmed by Indonesian financial-education sources including Skorlife (retrieved 2026-08-11).
IHSG closed 2025 at 8,646.94, fell to a 2026 low of 5,342 on 8 June 2026, and had recovered to about 6,383 by the morning of 11 August 2026 (multiple Indonesian outlets, retrieved 2026-08-11). On the price index alone, that puts 2026 down roughly 26% so far, a self-derived figure from those two dated levels.
Unlike the S&P 500, IHSG has no widely published total return companion of its own. The closest available proxy tracks Indonesian equities through a fund instead: the iShares MSCI Indonesia ETF (EIDO) reported a trailing 12-month dividend yield of 3.36% as of August 2026, and the MSCI Indonesia Index itself showed a 4.79% dividend yield back in February 2026, when share prices were lower and yields were mechanically higher (StockInvest.us and MacroMicro, both retrieved 2026-08-11). Whichever figure you use, Indonesian dividend income currently runs several percentage points a year, well above the S&P 500's 1.04%, and none of it shows up in the IHSG headline number.
Take Rp10,000,000 invested for 10 years. Using IHSG's own long-run price-index CAGR of 4.39% a year, from 5,226.95 at the end of 2014 to 7,272.80 at the end of 2023 (Indopremier's IPOT News), the price-only path grows to about Rp15,367,000.
Add a conservative 3% a year for dividends, near the lower end of the yield range cited above, and the combined rate of roughly 7.39% grows the same Rp10,000,000 to about Rp20,400,000 over the same 10 years.
| Price return only | Price + dividends (illustrative) | |
|---|---|---|
| Annual rate | 4.39% | ~7.39% |
| Rp10,000,000 after 10 years | ~Rp15,367,000 | ~Rp20,400,000 |
| Difference | ~Rp5,033,000 |
This table combines two real, sourced rates into a single self-derived illustration. It is not a real fund's track record and it is not a forecast, but it shows the direction and rough size of what a price-only number leaves out.
NetWort's Asset Detail page for a holding like SPY shows its price history and price-based return metrics. That is genuinely useful, but it is a price return view, the same kind of number this whole post has been describing. NetWort's Gains feature tracks capital appreciation by design, not dividend, rent or interest income, so any dividend cash you actually receive is separate money worth counting on top of what the chart shows, not something already baked in.
If you hold dividend payers, treat the cash you receive as a real, separate part of your return, not noise. It is exactly the gap between the price index number in the headline and what actually landed in your account. High yield can mislead in the opposite direction too: see why an 8% dividend yield can still leave you down for the year for the other half of this same confusion.