The latest articles on DEV Community by Optioneer (@optioneer_5cb4cdc0bd2f3e6). https://dev.to/optioneer_5cb4cdc0bd2f3e6 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3760574%2F22585b5a-8d6c-4de0-b746-550d2e9c5575.png https://dev.to/optioneer_5cb4cdc0bd2f3e6 en Optioneer Sun, 08 Feb 2026 20:04:41 +0000 https://dev.to/optioneer_5cb4cdc0bd2f3e6/i-got-tired-of-tracking-options-trades-in-spreadsheets-so-i-built-my-own-tool-1meg https://dev.to/optioneer_5cb4cdc0bd2f3e6/i-got-tired-of-tracking-options-trades-in-spreadsheets-so-i-built-my-own-tool-1meg <p>Like a lot of retail traders, I started with spreadsheets.</p> <p>At first, they felt fine: simple rows, some formulas, a conditional format or two. Then options happened.</p> <p>Multi-leg trades. Rolling positions. Partial closes. Assignments. My “simple spreadsheet” has transformed into something fragile, slow, and prone to errors.</p> <p>One broken formula, and my P&amp;L was lying to me.</p> <p>That frustration motivated me to build Optioneer—not as a startup idea, but as a tool I needed for myself.</p> <p>This post isn't about a launch. It's what I learned while building a small SaaS as a solo developer. In this field, bad data leads to bad decisions.</p> productivity saas showdev sideprojects