fluctuate
verb [ I ]
uk/ˈflʌktʃueɪt/ usif prices, levels, or interest rates fluctuate, they go up and down:
Inflation has fluctuated in recent months along with oil prices.
fluctuate between sth and sth Dividend yields typically fluctuate between 4 per cent and 6 per cent.
fluctuate with sth Over the past months, retail prices have fluctuated with market conditions.
prices/investments/profits fluctuate Traders on the New York Stock Exchange monitored their screens and took a wait-and-see approach as prices fluctuated.
fluctuate wildly/significantly/slightly Shares have been fluctuating wildly in a volatile market.
fluctuate from day to day/month to month/year to year Your cash flow fluctuates from year to year as your portfolio increases or decreases.