fixed calculation bug

fof/utility.py

@@ -490,8 +490,8 @@ def fd_fund_mktv(security_ids, trade_dt):
         ISVALID = 1
     ORDER BY REPORTDATE
     """
-    shares_df = read_sql(query).sort_values("SECURITYID").reset_index(drop=True)
-    shares_df = shares_df.groupby("SECURITYID", as_index=False).last()
+    shares_df = read_sql(query).sort_values(["SECURITYID", "REPORTDATE"]).reset_index(drop=True)
+    shares_df = shares_df.groupby("SECURITYID").last().reset_index()
     df = pd.merge(nav_df[["SECURITYID", "UNITNAV", "NAVGRTD"]], shares_df[["SECURITYID", "ENDFDSHARE"]], on="SECURITYID")
     df["MKTV"] = df["UNITNAV"] * df["ENDFDSHARE"]
     return df