{"company":{"id":673153,"name":"Chicago Trading Company","domain":"chicagotrading.com","url":"https://alion.io/company/chicagotrading"},"answer":"As of Nov 15, 2026, Alion lists 10 companies most like Chicago Trading Company: Interactive Brokers, Moomoo, tastytrade, Charles Schwab, Charles Schwab, Geneva Trading, StoneX Group, Ninjatrader, Fidelity Investments and The Vanguard Group.","highlights":["Chicago Trading Company itself has 15 open roles on Alion.","Of them, Fidelity Investments is hiring the most, with 526 open roles.","tastytrade has raised the most venture funding on record: $20M.","Open roles at Moomoo rose the most: from 110 on Oct 12, 2026 to 158 now."],"as_of":"2026-11-15","cite":"Alion, \"Chicago Trading Company competitors and alternatives: 10 similar companies compared on hiring and funding\", as of Nov 15, 2026. https://alion.io/company/chicagotrading/competitors","indexable":true,"target":{"name":"Chicago Trading Company","url":"https://alion.io/company/chicagotrading","domain":"chicagotrading.com","open_roles":15,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":null,"headquarters":{"city":"Chicago","country":"US"},"technologies":["Python","C++","NumPy"],"hiring_countries":["US","GB"],"similarity":null},"competitors":[{"name":"Interactive Brokers","url":"https://alion.io/company/interactive-brokers","domain":"interactivebrokers.com","open_roles":120,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"Greenwich","country":"US"},"technologies":["Python","Java","SQL"],"hiring_countries":["US","IN","HK"],"similarity":{"score":18.05,"shared_segments":["Online Brokerage & Trading Platforms"],"shared_technologies":["Python","Java","SQL","PowerShell","C++"],"same_hq_country":true}},{"name":"Moomoo","url":"https://alion.io/company/moomoo","domain":"moomoo.com","open_roles":158,"open_roles_change":{"since":"2026-10-12","from":110,"to":158,"pct":44},"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"Palo Alto","country":"US"},"technologies":["Microsoft Excel","Python","SQL"],"hiring_countries":["HK","CN","US"],"similarity":{"score":16.05,"shared_segments":["Online Brokerage & Trading Platforms"],"shared_technologies":["Python","Java","SQL","C++","Fine-tuning"],"same_hq_country":true}},{"name":"tastytrade","url":"https://alion.io/company/tastytrade","domain":"tastytrade.com","open_roles":7,"open_roles_change":null,"funding":{"total_raised_usd":20000001,"last_round":"venture","last_round_usd":20000001,"last_round_date":"2018-06-27","lead_investors":[]},"size_band":"51-200","headquarters":{"city":"Chicago","country":"US"},"technologies":["Ruby","Python","Java"],"hiring_countries":["US"],"similarity":{"score":16.05,"shared_segments":["Online Brokerage & Trading Platforms"],"shared_technologies":["Python","Java","SQL","Bash","Snowflake"],"same_hq_country":true}},{"name":"Charles Schwab","url":"https://alion.io/company/schwabjobs","domain":"schwabjobs.com","open_roles":221,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"5000+","headquarters":{"city":"Westlake","country":"US"},"technologies":["CI/CD","GCP","SQL"],"hiring_countries":["US"],"similarity":{"score":15.85,"shared_segments":["Online Brokerage & Trading Platforms"],"shared_technologies":["Python","Java","SQL","PowerShell","C++"],"same_hq_country":true}},{"name":"Charles Schwab","url":"https://alion.io/company/charles-schwab-inc","domain":"schwab.com","open_roles":217,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"5000+","headquarters":{"city":"Westlake","country":"US"},"technologies":["CI/CD","SQL","Java"],"hiring_countries":["US","IN"],"similarity":{"score":15.85,"shared_segments":["Online Brokerage & Trading Platforms"],"shared_technologies":["Python","Java","SQL","PowerShell","C++"],"same_hq_country":true}},{"name":"Geneva Trading","url":"https://alion.io/company/genevatrading","domain":"genevatrading.com","open_roles":5,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"51-200","headquarters":{"city":"Chicago","country":"US"},"technologies":["Python","Machine Learning","SQL"],"hiring_countries":["US"],"similarity":{"score":15.65,"shared_segments":["Online Brokerage & Trading Platforms"],"shared_technologies":["Python","SQL","PowerShell","C++","Bash"],"same_hq_country":true}},{"name":"StoneX Group","url":"https://alion.io/company/stonex","domain":"stonex.com","open_roles":86,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"New York","country":"US"},"technologies":["Azure","SQL","CI/CD"],"hiring_countries":["IN","CO","BR"],"similarity":{"score":15.25,"shared_segments":["Online Brokerage & Trading Platforms"],"shared_technologies":["Python","Java","SQL","PowerShell","C++"],"same_hq_country":true}},{"name":"Ninjatrader","url":"https://alion.io/company/ninjatrader-2","domain":"ninjatrader.com","open_roles":16,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"201-500","headquarters":{"city":"Chicago","country":"US"},"technologies":["GCP","CI/CD","Python"],"hiring_countries":["US"],"similarity":{"score":14.85,"shared_segments":["Online Brokerage & Trading Platforms"],"shared_technologies":["Python","Java","SQL","C++","Snowflake"],"same_hq_country":true}},{"name":"Fidelity Investments","url":"https://alion.io/company/fidelity","domain":"fidelity.com","open_roles":526,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"5000+","headquarters":{"city":"Boston","country":"US"},"technologies":["AWS","CI/CD","SQL"],"hiring_countries":["US","IE","IN"],"similarity":{"score":14.68,"shared_segments":["Online Brokerage & Trading Platforms"],"shared_technologies":["Python","Java","SQL","PowerShell","C++"],"same_hq_country":true}},{"name":"The Vanguard Group","url":"https://alion.io/company/vanguard","domain":"vanguard.com","open_roles":246,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"5000+","headquarters":{"city":"Malvern","country":"US"},"technologies":["AWS","Python","CI/CD"],"hiring_countries":["US","IN","GB"],"similarity":{"score":14.68,"shared_segments":["Online Brokerage & Trading Platforms"],"shared_technologies":["Python","Java","SQL","PowerShell","C++"],"same_hq_country":true}}],"method":"Ranked by Alion's similar-companies engine (the MCP tool similar_companies): shared industry segments and the overlap of the two segment sets, technologies named in both companies' job postings, the same headquarters country, a size band near it. Open roles are the visible postings on Alion today; their change is shown only for boards that state posting dates.","html_url":"https://alion.io/company/chicagotrading/competitors","json_url":"https://alion.io/company/chicagotrading/competitors.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-11-15T03:04:16Z","generated_at":"2026-11-15T20:27:02Z"}}