#我的COS交易
With 100x leverage, opening 1 BTC long position (current price 100,000 USDT), you only need 10 USDT margin.
With 30x leverage, the margin is 32 USDT.
With 1x leverage, it's 1,000 USDT.
It seems like 100x is the best deal? But if BTC drops by just 1% (1,000 USDT), your 10 USDT will be wiped out. The real leverage logic should be: leverage multiplier = (capital × safety margin) ÷ (price × volatility coefficient), not just “go all in and it’s done.”
Liquidation price: your life-and-death line, must be calculated
Liquidation price formula:
Liquidation price = opening price × [1 - (margin × (1 - maintenance margin rate)) / (number of contracts × contract face value)]
Assuming you open 1 BTC with 100x leverage, margin 10 USDT, maintenance margin rate 0.5%:
Liquidation price = 100,000 × [1 - (10 × 0.995) / 100] = 90,000.5 USDT
This means you only get liquidated if BTC drops by 10%, which is much safer than a 5 USDT margin. Leverage is not about being higher is better, but about keeping the liquidation price far from market volatility.
Different capital levels play differently: 500 USDT vs 50,000 USDT, a world apart
1. Small capital (<1000 USDT): 10-20x is the limit
Opening 100x with 500 USDT capital? You’ll be out with just a 2% fluctuation in BTC. The correct approach:
10x leverage, never open a position more than 20% (100 USDT).
Set the liquidation line at ±8%.
Remember: Staying alive is key to turning things around; if you're dead, you lose your capital.
2. Medium capital (1k-10k USDT): 5-10x, seeking stable wins
With 5,000 USDT capital, don’t be reckless:
5x leverage, single position opening ≤30%.
3% trailing stop-loss, withdraw if you lose 3%, don’t hold on stubbornly.
Check margin daily, don’t wait until liquidation to regret it.
3. Large capital (>10k USDT): 1-3x, institutional play
True big players treat leverage as a spice:
2x leverage, liquidation line at ±50%.
Top up margin when prices drop, don’t gamble with your life.
Hedging and arbitrage, as steady as a rock.
Survival rules during a crash.
