Most of the desk's hands are day designs: they trade inside a session window and are flat before the bell. One is not. This page is the arithmetic of holding a futures position past the close — the margin, the gaps, and why the desk gates it — in plain language.
Two margins, fifty times apart
While the market is open, a broker will carry one MES contract for about $50 of day-trading margin. The moment a position holds past the session close, the exchange minimum applies instead — currently around $2,858 per MES contract (roughly $28,579 for full-size ES). Same contract, same position, about fifty times the requirement — because the risk of holding through hours when you cannot exit is genuinely that much larger. These figures move with volatility; check the broker's current sheet before trusting them to the dollar.
An account that can day-trade a contract comfortably can be nowhere near able to hold one. That is not a technicality — if the account cannot post the overnight margin, the broker can liquidate the position at whatever the market is showing, at the worst possible moment, with no one asking you first.
A stop does not cap a gap
A protective stop is an instruction: when price trades through this level, exit at the next available price. While the market is open and liquid, the next available price is usually close to the stop. Over a weekend there is no next available price until Sunday evening — and if the market reopens 40 points lower, a stop 10 points below Friday's close fills near the reopen, not near the stop. The loss is the gap, not the stop distance.
This is why the desk's overnight arithmetic carries a buffer of ten protective stops on top of the overnight margin, and why no copy on this site will ever tell you a stop limits your loss on an overnight hold. It limits it only while the market is trading.
Why one hand holds anyway
The Double Down — the desk's double-bottom swing hand, TOTH Eight on the wire — holds overnight on purpose. The desk measured the alternative: replaying its full 16.2-year record with a forced flatten at 15:55 ET every day turns its profit factor from 1.59 into 0.84 — from +3,512 points to −462. The overnight hold is not a side effect; it is where the edge lives. Flattening it to make it feel safer would keep the feeling and delete the hand. (Hypothetical engine figures, modeled costs, one contract — the full method is on the rack.)
So the desk protects small accounts the honest way instead: an overnight hand is labeled with the moon badge wherever it appears, and a seat can only route it live when its stated bankroll covers the overnight margin plus the ten-stop buffer at the chosen size — checked on the server, at seating and again before every order. Sim is paper and always open; watching Eight in sim costs nothing and is exactly how it is earning its own record right now.
The short version
Day margin rents you the hours; overnight margin owns the night. A stop caps a loss only while the market is trading, a weekend gap goes straight through it, and an overnight hand therefore demands an account sized for the hold — about $2,858 plus a real buffer per MES contract, more than most day-sized accounts carry. If the desk's gate refuses a live seat, that is the gate working.
Every figure on this page is either a broker/exchange requirement that changes over time or hypothetical output from our own backtest engine over historical ES futures data. Nothing here is a track record, a prediction, or a promise of results. New to the vocabulary? The glossary has plain definitions.