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Deriv · Asymmetric step probabilities

Skew Step Indices

Step-style indices with asymmetric probabilities and step sizes.

How Skew Step Indices works

Deriv describes common settings where small moves occur with 80% or 90% probability and sharper moves with 20% or 10% probability.

Risk note: Rare moves can cluster. A high probability of small moves is not a guarantee against sudden larger steps.

Variants / mechanics

80/20 probability families90/10 probability families

What matters most

  • Asymmetric probabilities
  • Different step sizes for common and less-common moves
  • Probability does not guarantee short-run frequency
  • Related to classic Step Indices

Platform context

Deriv supports different products and contract types across Deriv MT5, Deriv cTrader, Deriv Trader, Deriv Bot and, for selected Derived Indices, direct trading through TradingView. The exact platform available for an instrument or contract type can differ, so always check the current Deriv product page before funding an account.

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