diff --git a/lib/common/static/hedge_plan.js b/lib/common/static/hedge_plan.js
index a567855..5ca1baa 100644
--- a/lib/common/static/hedge_plan.js
+++ b/lib/common/static/hedge_plan.js
@@ -45,7 +45,9 @@
     let decimals = 0;
     if (tick < 1) decimals = Math.max(0, -Math.round(Math.log10(tick)));
     else if (String(tick).indexOf(".") >= 0) decimals = String(tick).split(".")[1].length;
-    let s = n.toFixed(decimals).replace(/\.?0+$/, "");
+    let s = n.toFixed(decimals);
+    // 仅裁小数尾零;整数 tick(BTC=5)时绝不能把 1370 裁成 137
+    if (decimals > 0) s = s.replace(/\.?0+$/, "");
     return s || "0";
   }
 
diff --git a/lib/common/static/options_panel.js b/lib/common/static/options_panel.js
index 9b89753..3737578 100644
--- a/lib/common/static/options_panel.js
+++ b/lib/common/static/options_panel.js
@@ -48,7 +48,9 @@
     let decimals = 0;
     if (tick < 1) decimals = Math.max(0, -Math.round(Math.log10(tick)));
     else if (String(tick).indexOf(".") >= 0) decimals = String(tick).split(".")[1].length;
-    let s = n.toFixed(decimals).replace(/\.?0+$/, "");
+    let s = n.toFixed(decimals);
+    // 仅裁小数尾零;整数 tick(BTC=5)时绝不能把 1370 裁成 137
+    if (decimals > 0) s = s.replace(/\.?0+$/, "");
     return s || "0";
   }
 
diff --git a/lib/common/static/options_position_cards.js b/lib/common/static/options_position_cards.js
index 5c164a9..7bba252 100644
--- a/lib/common/static/options_position_cards.js
+++ b/lib/common/static/options_position_cards.js
@@ -20,7 +20,10 @@
     let decimals = 0;
     if (tick < 1) decimals = Math.max(0, -Math.round(Math.log10(tick)));
     else if (String(tick).indexOf(".") >= 0) decimals = String(tick).split(".")[1].length;
-    return n.toFixed(decimals).replace(/\.?0+$/, "") || "0";
+    let s = n.toFixed(decimals);
+    // 仅裁小数尾零;整数 tick(BTC=5)时绝不能把 1370 裁成 137
+    if (decimals > 0) s = s.replace(/\.?0+$/, "");
+    return s || "0";
   }
 
   function fmtUsdc(v) {
diff --git a/lib/exchange/okx_options_lib.py b/lib/exchange/okx_options_lib.py
index 5287260..11f356f 100644
--- a/lib/exchange/okx_options_lib.py
+++ b/lib/exchange/okx_options_lib.py
@@ -116,10 +116,14 @@ def format_option_px(px: float, tick_sz: Any) -> str:
     tick = _safe_float(tick_sz)
     if tick is None or tick <= 0:
         return str(px)
-    decimals = max(0, -int(round(math.log10(tick)))) if tick < 1 else 0
-    if tick >= 1:
-        decimals = len(str(tick).split(".")[-1]) if "." in str(tick) else 0
-    return f"{px:.{decimals}f}".rstrip("0").rstrip(".") or "0"
+    if tick < 1:
+        decimals = max(0, -int(round(math.log10(tick))))
+        return f"{px:.{decimals}f}".rstrip("0").rstrip(".") or "0"
+    # tick>=1(如 BTC 期权 tickSz=5):只按整数展示,禁止 rstrip('0') 把 1370 变成 137
+    if "." in str(tick):
+        decimals = len(str(tick).split(".")[-1])
+        return f"{px:.{decimals}f}".rstrip("0").rstrip(".") or "0"
+    return str(int(round(float(px))))
 
 
 def format_usdc_amount(v: float | None) -> str | None:
diff --git a/tests/test_options_pricing.py b/tests/test_options_pricing.py
index ff17f81..d912efa 100644
--- a/tests/test_options_pricing.py
+++ b/tests/test_options_pricing.py
@@ -17,6 +17,10 @@ def test_round_option_px():
     assert round_option_px(14.9184, "0.2", "sell") == 14.8
     assert round_option_px(14.81, "0.2", "buy") == 15.0
     assert format_option_px(14.8, "0.2") == "14.8"
+    # BTC 期权 tickSz=5: 整数末尾 0 必须保留 (1370 不能显成 137)
+    assert format_option_px(1370, "5") == "1370"
+    assert format_option_px(1160, 5) == "1160"
+    assert format_option_px(1000, "5") == "1000"
 
 
 def test_premium_per_sheet():