I’m Reinis Fischer, founder & CEO of the Terramatris crypto hedge fund. Passionate about capital markets, with deep expertise in derivatives markets.

Each week, I publish a detailed options trading journal with real positions, adjustments, and results.

Outside the markets, I might occasionally share travel experiences, standout restaurants, simple food ideas, and my ongoing building and renovation projects
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Weekly options

Week 55 / NVDA Above $200: How the Rally Impacts Our Options Strategy

As of April 24, 2026, our options trading driven stock portfolio decreased slightly by -0.72%, closing at $12,101. Since the portfolio’s base currency is EUR, the dip is partly due to USD strengthening by about one cent, now trading around 1.17…

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Week 54 / Options Portfolio Hits $12K (+2.6% WoW) — NVDA Surge Complicates Strategy

As of April 17, 2026, our options trading driven stock portfolio increased by +2.6%, closing at $12,189, thus for the first time cracking 12K. Awesome. This week I was abroad, visiting Berlin, and paid very little attention to the stock market…

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Week 53 / From Riga to Berlin: Building a House and a $11.9K Options Portfolio

Greetings from Riga International Airport—writing this while waiting for our flight to Berlin, Germany. We spent an amazing week in Latvia working on our frame house. I (almost) finished the kitchen by installing the cabinets, while my better half…

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I share ongoing portfolio progress with a focus on generating income through covered calls on quality stocks. Each update includes positioning changes, trade rationale, and forward-looking adjustments based on current market conditions.

Latest articles

Building a Frame House in Latvia: Kitchen Installation, Ground Tilling & IKEA Trip

As usual, we planned our spring around the school break at BIST (British International School of Tbilisi). This year we again split the time — one week in Latvia working on the frame house in the west, and the other in Berlin for business meetings related to the translation company.Returning after winter always comes with surprises. This year didn…

Frame house - Capšu Zeme |

New Synagogue Berlin

The New Synagogue in Berlin is one of the city’s most recognizable historical landmarks, located on Oranienburger Straße, within walking distance of Alexanderplatz. Its striking golden dome rises above the surrounding buildings, making it visible from afar and hard to miss even during a casual walk through the neighborhood.Originally inaugurated…

Germany |