diff --git a/dev/api-contract-kfo.openapi.yaml b/dev/api-contract-kfo.openapi.yaml
index bb964d5..1f619c7 100644
--- a/dev/api-contract-kfo.openapi.yaml
+++ b/dev/api-contract-kfo.openapi.yaml
@@ -2235,7 +2235,7 @@ components:
           type:
           - string
           - 'null'
-          pattern: ^-?\d{1,5}\.\d{2}$
+          pattern: ^-?\d+\.\d{2}$
           description: deviation_total / base_amount × 100; null при нулевой базе
         exceeded:
           type: boolean
diff --git a/scripts/kfo_contract/gen_kfo_openapi.py b/scripts/kfo_contract/gen_kfo_openapi.py
index fb7ed18..e874b24 100644
--- a/scripts/kfo_contract/gen_kfo_openapi.py
+++ b/scripts/kfo_contract/gen_kfo_openapi.py
@@ -15,7 +15,7 @@ import kfo_example as ex  # noqa: E402
 
 MONEY = {"type": "string", "pattern": r"^-?\d{1,16}\.\d{2}$", "examples": ["588500.00"]}
 MONEY_N = {"type": ["string", "null"], "pattern": r"^-?\d{1,16}\.\d{2}$"}
-PCT_N = {"type": ["string", "null"], "pattern": r"^-?\d{1,5}\.\d{2}$"}
+PCT_N = {"type": ["string", "null"], "pattern": r"^-?\d+\.\d{2}$"}  # процент к базе не ограничен (база бывает мала)
 SHARE_N = {"type": ["string", "null"], "pattern": r"^-?\d{1,3}\.\d{2}$"}
 STYPE = {"type": "string", "enum": ["balance", "income"]}
 ROR = {"type": ["string", "null"], "enum": ["VERSION_NOT_EDITABLE", "LOCK_REQUIRED", "LOCKED_BY_OTHER", None]}