Comparisons & FAQs.
Short, factual answers to the questions people actually ask: how Arithmos compares to the S&P 500, TradingView, Bloomberg Terminal, and an MSCI custom index — plus the dozen index-construction FAQs we get on email every week.
Comparisons
4 pagesArithmos vs the S&P 500
When a custom index actually beats SPY — and when it doesn't.
Arithmos vs TradingView
Charting tool vs index builder — they solve different problems.
Arithmos vs Bloomberg Terminal
Institutional terminal vs retail-direct index builder.
Arithmos vs an MSCI custom index
What an institutional index provider does, and why retail can't access it.
Explainers
5 pagesWhat does an index-fund creator actually do?
A short, plain-English explainer for people whose job is creating indices.
Where do most people actually invest in 2026?
A short tour of the platforms millions of retail investors actually use.
ETF vs direct indexing — when each one wins
ETFs are cheaper. Direct indexing is more flexible. Both are right.
What is the Russell 2000 — and how does it differ from the S&P 600?
The two main US small-cap benchmarks, in plain English.
Best tools for portfolio managers in 2026
A short, opinionated list — what's actually used at modern PM desks.
