Momentum > 0 The current price is higher than the price from the comparison period → generally positive / bullish momentum.
Momentum < 0 The current price is lower than the price from the comparison period → generally negative / bearish momentum.
Momentum is rising Price movement is gaining strength or accelerating.
Momentum is falling The trend may be losing strength, even if the stock price is still moving in the same direction.
Zero line Unlike RSI, Momentum does not have fixed overbought/oversold levels like 70 and 30. The zero line, direction of the indicator, and divergence are more important.
Bearish Divergence The stock makes a new high, but Momentum does not make a new high → buying strength may be weakening.
Bullish Divergence The stock makes a new low, but Momentum does not make a new low → selling pressure may be weakening.