Every trade runs on machinery: the order you send, the rules that govern trading, the auctions that open and close the day, and the expiration mechanics of options. This hub maps all of it — the plumbing that turns a decision into a filled, managed position.

Order types: getting in and out

Halts & circuit breakers

Auctions & the close

Assignment, exercise & expiration

Market plumbing

NoVo maps every dealer level across SPY, QQQ & IWM and executes your trade in one click, with the stop and exit ladder built in. See NoVo Trader, NoVo Analyst, or compare plans.

Why this matters

You don’t need to master every detail here — but the difference between a trader who understands this machinery and one who doesn’t shows up in fills, in exits, and in not getting blindsided by a halt or an assignment. NoVo handles the execution machinery for you — one-click orders with a protective stop and exit ladder — but understanding what’s under the hood makes you a better trader. Start anywhere above.