範例 — BTC(按幣計) ·
持倉:1.90 BTC(1 BTC = $111,000 → 名義金額 ≈ $210,900)
對於 BTC,階梯式保證金是基於幣數而非美元名義價值。價格僅用於將所需保證金轉換為美元。
T2 (300:1)
-
T1 (500:1) — 首
1.00
BTC
→
1.00 ÷ 500 = 0.002000 BTC
( × $111,000 = $222.00 ) -
T2 (300:1) — 剩餘
0.90
BTC
→
0.90 ÷ 300 = 0.003000 BTC
( × $111,000 = $333.00 )
(0.002000 + 0.003000) BTC = 0.005000 BTC
≈ $555.00 按 $111,000/BTC 計算