Learn what open interest measures in futures and options, how it differs from volume, and how to read changes alongside price without treating them as forecasts....

Learn what slippage is in crypto, why liquidity, volatility, trade size and order type change execution, and how slippage tolerance works on DEXs....

Compare volatility and investment risk, see where they overlap and learn why price swings are only one part of potential loss, liquidity and uncertainty....

Explore common cognitive biases in crypto investing, from confirmation and recency bias to overconfidence, loss aversion, anchoring and herd behaviour....

Understand investment fees, from expense ratios and trading charges to spreads, currency costs and taxes, with examples for investors in Spain and the EU....

Explore how REITs can affect a diversified portfolio, including income, liquidity, correlation, interest-rate sensitivity, property exposure and key risks....