CDL_INSIDE - See Three Inside Up/Down¶

Redirect: The pattern you're looking for is documented as Three Inside Up/Down (CDL_3INSIDE).

Pattern Name Clarification¶

In TA-Lib, the "inside" pattern is officially named CDL_3INSIDE, which stands for "Three Inside Up" (bullish) and "Three Inside Down" (bearish).

Quick Reference¶

Pattern Type: Three-candle reversal pattern

Bullish Version (Three Inside Up): 1. Large bearish candle 2. Small bullish candle inside first candle's range (harami) 3. Bullish candle closing above first candle's high

Bearish Version (Three Inside Down): 1. Large bullish candle 2. Small bearish candle inside first candle's range (harami) 3. Bearish candle closing below first candle's low

Documentation¶

For complete documentation, please see:

→ Three Inside Up/Down (CDL_3INSIDE)¶

The complete documentation includes: - Detailed pattern structure - Parameter specifications - Usage examples - Trading strategies - Confirmation techniques - Risk management guidelines

Usage Example¶

Note: Array elements should be ordered from oldest to newest (chronological order)

require 'sqa/tai'

open  = [50.0, 49.5, 49.8, 50.5]
high  = [50.5, 50.0, 50.0, 51.0]
low   = [49.5, 49.0, 49.5, 49.5]
close = [49.5, 49.7, 50.2, 50.8]

# Use cdl_3inside (not cdl_inside)
pattern = SQA::TAI.cdl_3inside(open, high, low, close)

if pattern.last == 100
  puts "Bullish Three Inside Up detected"
elsif pattern.last == -100
  puts "Bearish Three Inside Down detected"
end

Three Inside Up/Down (CDL_3INSIDE) - Full documentation
Harami (CDL_HARAMI) - Two-candle precursor pattern
Three Outside Up/Down (CDL_3OUTSIDE) - Related pattern with engulfing