- Commit
- A dated record of one change to the code.
- Broker
- The intermediary that holds the account and carries out the orders to buy and sell. Today eToro; before it, IBKR (Interactive Brokers).
- Demo and real
- eToro's two worlds: a virtual account in pretend money, where most proofs are made, and the real account. The demo box chooses, and unticking it asks for the PIN. Inside Sauron, “paper” is its own simulation, and “live” means sent to the broker.
- The Oculus
- The first page of the menu: it shows, cycle by cycle, whether the machine is really turning.
- Bot
- A program that trades one family of investments. Every five minutes it watches over what it holds, then looks for something to open.
- Signal
- A dated view on an instrument, up or down, with a confidence score.
- Stop and target
- The stop is the price at which a trade is cut to limit the loss; the target, the price at which the gain is taken. For an order sent to the broker, both rest at the broker.
- R, the unit of risk
- The loss planned if the stop is hit. A trade at +2R gained twice what it risked; at −1R, it lost exactly what was planned.
- Leverage
- Taking a larger trade than the money put down. It changes the money the broker locks and the financing costs, never the loss at the stop, which depends on the risk chosen.
- Margin
- The money the broker locks to keep a trade open.
- ETF
- A basket of investments listed on an exchange, bought like a single share.
- Asset class
- A family of investments: shares, ETFs, indices, currencies (forex), commodities, cryptocurrencies, options.
- Proof
- An order filled and then closed, whose values are written into the code with their test. Without one, a class cannot send any order to eToro.
- Trading PIN
- The code that authorises real-money actions on the pages. Switching a bot off never asks for it.
- The brake
- Switching a bot off. It does not close what the bot holds: those trades keep their stop at the broker.