Both ‘point’ and ‘tick’ refer to price movements, but a point represents the minimum price movement to the left side of the decimal point, while a tick denotes the smallest possible price movement allowed by the exchange on the right side of the decimal point.
In e-mini S&P 500 future contract, for example, one tick represents a $0.25 movement in the price of E-mini S&P 500 Future, thus it takes 4 ticks to equal one point and this is why a point in e-mini S&P 500 represents a $50 movement in the price of E-mini S&P 500 Future ($12.5*4=$50).
Traders should be aware that if e-mini S&P 500 future contract, for example, increase from 5200.00 to 5205.00 it increased in 5 points which is 20 ticks, which equals to $250 profit or loss depends on its long/short position.