More grids are not always better. The more grids you set, the thinner each profit slice becomes. Trading fees take a bigger bite, and you need more capital to fill all those grids.
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The core logic of grid quantity
The number of grids determines how many price slices you cut in your range and how much profit each slice can earn.
Fewer grids (e.g., 10 grids): Each price gap is larger, so a single round-trip trade gives you a decent profit. But orders trigger less often—you might wait longer for a fill.
More grids (e.g., 100 grids): The grid is dense, trades happen more frequently, but profit per grid gets thinner. Imagine a range of 10,000–20,000. With 100 grids, the price gap per grid is about 100. With 150 grids, it drops to about 67—each trade's profit shrinks significantly.
How fees eat away the profits of many grids
Every time your grid bot completes a buy and a sell, you pay a trading fee. The tighter the grid, the more trades you make per hour, and the more fees get deducted again and again.
Fee squeeze: For regular users, the taker fee on spot grid trading is 0.1%. If your grid is so tight that each trade only earns 0.3%–0.5%, the fee alone eats up 1/5 to 1/3 of that profit. After fees, your actual net profit might barely beat the fee itself—or even turn negative.
Capital efficiency problem: The more grids you set, the less capital is assigned to each grid. Some users have tested and found that once you go beyond 100 grids, capital usage drops noticeably—large amounts of funds just sit on the order book, with very little actually getting filled.
Scenario A: Sideways market, aiming for high-frequency hits
If the price bounces in a narrow range, a higher number of grids can capture more small swings and collect tiny profits. But there's a catch: each trade must still be profitable after fees. Use this formula: (price gap per grid / price) – 2 × fee rate. If the result is near zero or negative, adding more grids just makes you work for nothing.
Scenario B: Trending market, grids become a disadvantage
Once the price breaks above the upper limit or below the lower limit of your grid range, the bot stops running. Your funds turn into a one-sided position, and you miss the trend move. The more grids you set, the more fragmented your range becomes, and the more your capital is scattered. Chances are high that you'll underperform the market when a trend takes off.
Risk reminder: An unreasonable grid number can lead to frequent small losses. Grid strategy relies on "buy low, sell high" to earn the spread. If the price keeps falling in a one-sided move, the coins you bought can't be sold, and your unrealized loss grows bigger, while every buy still generates fees. Also, if the profit per grid is too small—below the minimum notional value of the trading pair (e.g., less than 5 USDT for BTC/USDT)—your grid profits may not be withdrawable.
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After running your grid
Check your results: After some time, look at your "Realized Profit" and "Fees" figures. If fees account for a large share (say, over 30%), your grid is too dense.
Next step: Next time you set up a grid, calculate the profit per grid first. Make sure there's room after deducting both buy and sell fees. As a reference, in a range-bound market, starting with 20–50 grids is a common baseline that balances trading frequency and profit size. Adjust based on your capital and how you judge volatility.
