FillStub is a finance AI agent for To automatically track and reconstruct the complete lifecycle of options contracts—including rolls, assignments, and cash settlements—from broker export data for tax filing purposes. Pricing: Free + $15/mo. As of 2026-10-27, KanonAgent records 1 upvotes. First indexed by KanonAgent on 2026-09-14.
A tax-compliant system that reconstructs the full lifecycle of options trades from broker data for accurate IRS reporting.
1 upvotes
Tracked by Kanon since Sep 14, 2026
no signal yet
status
8/100
momentum · conf 0.42
43d
tracked since 2026-09-14
0
evidence records
No signal event on file yet — status is unknown, not "quiet".
📈 Timelinewhat changed, and when
first observedKanon started keeping permanent history for this agent
🔎 Known / Unknown
15 of 23 fields unknown
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Open source
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Self-hostable
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Bring your own key
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“Unknown” means we have not verified it — it is not a “no”. Hard filters never treat unknown as false.
🤖 Agent teardown · finance
Job to be doneTo automatically track and reconstruct the complete lifecycle of options contracts—including rolls, assignments, and cash settlements—from broker export data for tax filing purposes.
Who it is forOptions traders, quantitative investors, and tax professionals handling complex derivatives reporting.
PricingFree + $15/mo
Traction · why it is risingNo significant traction observed; no votes on Product Hunt and no clear user growth signals.
Why it matters
It solves a highly specific, compliance-heavy problem in options trading with strong regulatory implications.
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FAQ
What is FillStub?
A tax-compliant system that reconstructs the full lifecycle of options trades from broker data for accurate IRS reporting.
What does FillStub do?
To automatically track and reconstruct the complete lifecycle of options contracts—including rolls, assignments, and cash settlements—from broker export data for tax filing purposes.
Why does FillStub matter?
It solves a highly specific, compliance-heavy problem in options trading with strong regulatory implications.
How much does FillStub cost?
Free + $15/mo
Is FillStub free?
Yes — FillStub has a free tier. Pricing as stated on its own page: Free + $15/mo
How popular is FillStub?
As tracked by KanonAgent: 1 upvotes (first indexed 2026-09-14).
What are the best FillStub alternatives?
Similar AI agents tracked by KanonAgent: easy-stock, Pluma, Sferica Trading Automation LLC, Jupid, Agent Mode by Receiptor AI, QuantMind LLC.
