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Borsa Istanbul groups its listings into more than 37 sectors including banking, industrials, technology, energy, retail, food, textiles, tourism, defense, insurance, real estate, transport, construction, chemicals, metals, automotive, telecommunications and more. Sector analysis shifts focus from individual stocks to companies with similar business models evaluated as a group. Aggregate momentum, valuation, and volatility data for a sector offer a powerful way to capture trends within that group.
Different sectors take the lead under different market conditions. Banking and insurance tend to benefit in high-interest environments; real estate and construction perform better when rates fall. During global growth cycles industrials and technology lead, while defensive sectors (food, consumer staples, healthcare) dominate during downturns. Sector rotation is an active strategy that tries to capture this cycle. The Borsafolio sector analysis page lets you see at a glance which sectors currently show strong momentum and which look attractively valued.
For each sector we compute average momentum (21-day, 63-day, 252-day), average volatility, total market capitalization, and median P/E ratio. Average momentum reveals the sector's recent trend; volatility quantifies its risk profile. Median P/E summarizes the sector's overall valuation — low P/E usually points to a cheap sector, high P/E to an expensive one. Total market cap reflects the sector's weight within BIST as a whole.
Sector analysis should not be the sole basis for an investment decision, but it is a critical starting point for diversification. A portfolio concentrated in a single sector is heavily exposed to that sector's downturns. Borsafolio drills into each sector and lists every stock inside it, showing momentum, volatility, P/E, P/B, and ROE so you can identify the strongest candidates within the same sector. This makes the tool ideal both for sector rotation and for picking the highest-quality names inside a given sector.