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Why was my order refused for leverage, or traded at a lower leverage?

Binance caps leverage per coin, per position size and on sub-accounts; above a cap it refuses the order, so lower /setLeverage, or the position size, to fit.

The messages you can see, in /lastsignals:

"your leverage is above Binance's maximum for this coin" (error -4028);
"your Binance sub-account allows less leverage than your setting" (error -4421);
"the position would pass Binance's limit for your leverage on this coin" (errors -2027 and -2028);
or an entry marked "entered at 10x, the most Binance allows for this coin".

What it means. Binance sets a maximum leverage for each coin, and a lower one for larger positions on that coin. Sub-accounts have a lower cap of their own. When the bot knows a coin's maximum, it enters at the lower of that and your setting and says so in /lastsignals. When Binance refuses a sub-account's leverage, the bot remembers the cap it names until the bot restarts and uses it for your next entries. The entry that was refused is not placed again.

What to do:

Lower /setLeverage to what your coins and account allow. Lower leverage also moves liquidation further away.
On -2027 or -2028, lower /setPositionSize or the leverage: the position is too large for that leverage on that coin.
On a sub-account, keep the leverage at or below the cap Binance named, or trade from your main account.

/summary shows your settings. More on these limits: Binance Futures leverage limits.

Updated 2026-10-11.

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Why was my order refused for leverage, or traded at a lower leverage?

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