diff --git a/libraries/chain/include/eosio/chain/symbol.hpp b/libraries/chain/include/eosio/chain/symbol.hpp
index 1faa3038921..071505d83d3 100644
--- a/libraries/chain/include/eosio/chain/symbol.hpp
+++ b/libraries/chain/include/eosio/chain/symbol.hpp
@@ -165,6 +165,25 @@ namespace eosio {
          return lhs.value() > rhs.value();
       }
 
+      inline bool operator== (const extended_symbol& lhs, const extended_symbol& rhs)
+      {
+         return std::tie(lhs.sym, lhs.contract) == std::tie(rhs.sym, rhs.contract);
+      }
+
+      inline bool operator!= (const extended_symbol& lhs, const extended_symbol& rhs)
+      {
+         return std::tie(lhs.sym, lhs.contract) != std::tie(rhs.sym, rhs.contract);
+      }
+
+      inline bool operator< (const extended_symbol& lhs, const extended_symbol& rhs)
+      {
+         return std::tie(lhs.sym, lhs.contract) < std::tie(rhs.sym, rhs.contract);
+      }
+
+      inline bool operator> (const extended_symbol& lhs, const extended_symbol& rhs)
+      {
+         return std::tie(lhs.sym, lhs.contract) > std::tie(rhs.sym, rhs.contract);
+      }
    } // namespace chain
 } // namespace eosio
 
diff --git a/unittests/api_tests.cpp b/unittests/api_tests.cpp
index 096180ab013..a9665440846 100644
--- a/unittests/api_tests.cpp
+++ b/unittests/api_tests.cpp
@@ -2236,6 +2236,41 @@ BOOST_FIXTURE_TEST_CASE(account_creation_time_tests, TESTER) { try {
    BOOST_REQUIRE_EQUAL( validate(), true );
 } FC_LOG_AND_RETHROW() }
 
+/*************************************************************************************
+ * extended_symbol_api_tests test cases
+ *************************************************************************************/
+BOOST_FIXTURE_TEST_CASE(extended_symbol_api_tests, TESTER) { try {
+   name n0{"1"};
+   name n1{"5"};
+   name n2{"a"};
+   name n3{"z"};
+   name n4{"111111111111j"};
+   name n5{"555555555555j"};
+   name n6{"zzzzzzzzzzzzj"};
+
+   symbol s0{4, ""};
+   symbol s1{5, "Z"};
+   symbol s2{10, "AAAAA"};
+   symbol s3{10, "ZZZZZ"};
+
+   // Test comparison operators
+
+   BOOST_REQUIRE( (extended_symbol{s0, n0} == extended_symbol{s0, n0}) );
+   BOOST_REQUIRE( (extended_symbol{s1, n3} == extended_symbol{s1, n3}) );
+   BOOST_REQUIRE( (extended_symbol{s2, n4} == extended_symbol{s2, n4}) );
+   BOOST_REQUIRE( (extended_symbol{s3, n6} == extended_symbol{s3, n6}) );
+
+   BOOST_REQUIRE( (extended_symbol{s0, n0} != extended_symbol{s1, n0}) );
+   BOOST_REQUIRE( (extended_symbol{s0, n0} != extended_symbol{s0, n1}) );
+   BOOST_REQUIRE( (extended_symbol{s1, n1} != extended_symbol{s2, n2}) );
+
+   BOOST_REQUIRE( (extended_symbol{s0, n0} < extended_symbol{s1, n0}) );
+   BOOST_REQUIRE( (extended_symbol{s0, n0} < extended_symbol{s0, n1}) );
+   BOOST_REQUIRE( (extended_symbol{s0, n5} < extended_symbol{s0, n3}) );
+   BOOST_REQUIRE( (extended_symbol{s2, n0} < extended_symbol{s3, n0}) );
+
+} FC_LOG_AND_RETHROW() }
+
 /*************************************************************************************
  * eosio_assert_code_tests test cases
  *************************************************************************************/