mass_index — MASS Index

Category: Volatility · Composite

For Skill / AI Agent integrations

When you POST /api/indicators?explain=true, the response carries a knowledge block with this indicator's interpretation rubric. Pass it to your LLM together with the numeric data — don't make the LLM guess thresholds from memory. Full rubric lives at the Chinese page (summary_focus / signals / caveats).

This is a volatility indicator. Math is aligned with TradingView Pine Script.

Parameters

Parameter	Type	Default
ema_length	int	9
length	int	10

Output columns

Column
mi

Example call

curl -X POST -H "Authorization: Bearer mq_xxx" \
  -H "Content-Type: application/json" \
  -d '{
    "exchange": "binance",
    "market":   "perp",
    "symbol":   "BTCUSDT",
    "interval": "5m",
    "limit":    100,
    "calc":     [{"name": "mass_index", "params": {"ema_length": 9, "length": 10}}]
  }' \
  https://api.mobiusquant.ai/api/indicators

Full interpretation guide

The full description, signal interpretation, caveats and analysis focus points are documented in Chinese at:

mass_index (中文详情)

Related indicators

atr · bollinger · chande_kroll_stop · donchian_channels · fibonacci_bollinger_bands · historical_volatility · keltner_channels · linear_regression_channel

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