Grid Modes — Overview

Grid size sets the base notional for one level. The mode is a function from level index to a multiple of that base. Everything downstream — capital required, average entry, recovery speed, tail risk — follows from the shape of that function.

Instead of one larger order, level i places i base-sized orders, each with its own take-profit. A partial bounce books partial profit rather than nothing — useful in choppy markets, at the cost of more order slots and more exchange traffic.

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   1 — Decide the market regime you are trading

   Ranging and mean-reverting favours growth curves (they average down into the bounce). Trending favours flat or decaying curves (they limit what a trend can cost).
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   2 — Set your capital ceiling first

   Work out what you are willing to commit in total, then pick a mode whose Σ at your level count fits inside it. Do not pick the mode first and hope.
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   3 — Prefer a cap over an uncapped multiplicative curve

   capped_martingale keeps almost all of exponential's recovery speed while guaranteeing a maximum per-level size. It is the practical choice for live trading.
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   4 — Arm the stop loss for growth curves

   The steeper the curve, the more the tail dominates. A stop is what turns an unbounded tail into a chosen loss.
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   5 — Verify in the ladder plan

   Page to the bottom of the ladder in the preview and read the cumulative capital. If it makes you uncomfortable, the mode is wrong for the level count.

Some modes expose an extra dial. When you select one, the wizard and the settings panel show exactly that field and nothing else:

• Aliases — some values are different names for identical math, kept so dashboards can group strategies by family: marti_grid = marti_grid_linear, geometric_ratio = marti_grid_geometric, harmonic = anti_marti_grid, dca_fixed = fixed. Each mode's article names its alias.
• One-lot floor — decaying modes are floored at one lot by the engine. The diagrams show the true mathematical shape, so beyond a certain depth the executed size flattens where the curve keeps falling.
• Python parity — the first nine modes mirror the original Python enum exactly; the remaining eighteen are C++-first extensions.

Every mode, its live curve, its formula, its risk band, and the cumulative cost of a 10-level ladder in base-lot units. Each has its own article with a detailed treatment.

The mode is editable live, but it is a structural change: a resting order cannot be amended into a different size curve, so the engine cancels the resting ladder and re-places it at the new sizes. Filled inventory and its exits are preserved.

• 1.Grid Mode (in the wizard) — Picking a mode and what it changes
• 2.Capital Allocation — The mode-aware capital formula
• 3.Stop Loss — Bounding a growth curve's tail
• 4.Reading the Ladder Plan — Verifying the curve before deploying