> For the complete documentation index, see [llms.txt](https://docs.darkbet.fun/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.darkbet.fun/gong-zuo-yuan-li/dong-tai-shi-chang-ding-jia-zi-dong-zuo-shi-shang.md).

# 动态市场定价（自动做市商）

#### **概览**

DarkBet 使用一种 **固定产品做市商（FPMM）** 模型来确保每个市场的公平和动态定价。该机制根据 **是** 和 **否** 结果之间的流动性比率不断调整价格，创建一个反映真实市场情绪的自我平衡系统。

#### 价格如何运作

* 价格由 **池余额比率** （YES 和 NO 份额）决定。
* 两种结果的合计价格保持不变：\
  **YES 价格 + NO 价格 = 0.01 BNB** （固定的总市场价格）。
* 当更多用户押注一方时，该结果的价格会上升，而相反一方的价格会下降。
* 每笔交易都会稍微改变市场，确保实时的价格发现。

#### 投注选项

**1. 市场价格（默认）**\
以当前市场汇率即时购买份额。这是参与预测最快且最简单的方式。

**2. 自定义金额**\
输入任意 BNB 金额以根据当前市场价格获得份额。\
实时报价会显示，并在 30 秒后刷新之前保持有效。\
使用的公式为：\
**份额 = 支付金额 ÷ 当前价格**

**示例**\
如果 YES 的交易价格为 **0.006 BNB** 且你投注 **0.01 BNB**:

* YES 价格：0.006 BNB
* 你的投注：0.01 BNB
* 获得的份额：0.01 ÷ 0.006 = **≈1.67 份**\
  如果 YES 结果获胜，你的赔付将是 **1.67 × 0.01 = 0.0167 BNB**.

#### 市场动态

* **牛市（更多 YES 投注）**\
  更多流动性流入 YES，提升其价格并降低 NO——表明积极的市场情绪。
* **熊市（更多 NO 投注）**\
  更多流动性流入 NO，提升其价格并降低 YES——反映消极的市场情绪。
* **平衡市场**\
  双方流动性相等会使价格稳定在 **0.005 BNB** 左右。

#### AMM 定价的优势

* **公平且基于算法** — 价格完全由供需决定。
* **持续流动性** — 每位参与者都为市场深度做出贡献。
* **抗操纵** — 算法平衡防止人为的价格扭曲。
* **透明且可预测** — 所有计算都可在链上验证。
* **高效的价格发现** — 每笔交易都会动态调整市场情绪。


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