Every StaxInvesting article tagged order management · 4 posts.
4 articles
A Python script should say what it observed, not decide how much capital to commit. Routing signals through a receiver keeps credentials, sizing, and risk limits in one hardened component instead of copied across every strategy script.
Three of the four sources of duplicate trade signals are self-inflicted. Idempotency is not primarily an attack defence — it is protection against your own infrastructure behaving normally, in the one place where a repeated request costs money immediately.
Public.com runs a genuinely capable brokerage API with good tooling and unusual economics — options contracts traded through it earn a rebate rather than a commission. It also comes with a licensing term that decides whether it fits what you are building at all.
The tastytrade order format is simple enough to get subtly wrong in ways that never throw an error. Per-unit pricing, the debit and credit sign convention, accepted versus filled, and what to do when a submission times out and you do not know whether it landed.
