# Optima Blog

- 2026-11-05 [What it costs to hold an Optima Portfolio Token, step by step](/what-it-costs.md): Every fee on an Optima Portfolio Token, in the order you meet it: when you buy, while you hold, when you sell, and when you withdraw. With a worked example on $1,000.
- 2026-11-04 [AMD's results: what they say about AI demand](/amd-results-ai-demand.md): AMD's third-quarter results and fourth-quarter outlook, what they mean for the bull and bear cases on AI hardware, and how the stocks in our two AI baskets took them.
- 2026-11-03 [The AI chip sell-off, read through two baskets](/ai-selloff-two-baskets.md): What drove the sell-off in AI hardware stocks, as seen in our long and short AI baskets: the bear case, the bull case, and the leading indicators we are watching.
- 2026-10-29 [What you hold when you buy an Optima Portfolio Token](/what-you-hold.md): An Optima Portfolio Token is a share in an actively managed portfolio, issued as a blockchain-based certificate with an ISIN and an FMA Liechtenstein-approved prospectus. What that means, and what it does not.