diff --git a/.gas-snapshot b/.gas-snapshot
index 0ba2410..9fd277d 100644
--- a/.gas-snapshot
+++ b/.gas-snapshot
@@ -10,66 +10,68 @@ ScribeInvariantTest:invariant_pubKeys_AtIndexZeroIsZeroPoint() (runs: 256, calls
 ScribeInvariantTest:invariant_pubKeys_LengthIsStrictlyMonotonicallyIncreasing() (runs: 256, calls: 3840, reverts: 0)
 ScribeInvariantTest:invariant_pubKeys_NonZeroPubKeyExistsAtMostOnce() (runs: 256, calls: 3840, reverts: 0)
 ScribeInvariantTest:invariant_pubKeys_ZeroPointIsNeverAddedAsPubKey() (runs: 256, calls: 3840, reverts: 0)
-ScribeOptimisticTest:test_Deployment() (gas: 56925)
-ScribeOptimisticTest:test_afterAuthedAction_1_drop() (gas: 248716)
-ScribeOptimisticTest:test_afterAuthedAction_1_setBar() (gas: 295527)
-ScribeOptimisticTest:test_afterAuthedAction_1_setChallengePeriod() (gas: 294070)
-ScribeOptimisticTest:test_afterAuthedAction_2_drop() (gas: 325609)
-ScribeOptimisticTest:test_afterAuthedAction_2_setBar() (gas: 384647)
-ScribeOptimisticTest:test_afterAuthedAction_2_setChallengePeriod() (gas: 384247)
-ScribeOptimisticTest:test_afterAuthedAction_3_drop() (gas: 251331)
-ScribeOptimisticTest:test_afterAuthedAction_3_setBar() (gas: 298667)
-ScribeOptimisticTest:test_afterAuthedAction_3_setChallengePeriod() (gas: 298140)
-ScribeOptimisticTest:test_afterAuthedAction_4_drop() (gas: 327074)
-ScribeOptimisticTest:test_afterAuthedAction_4_setBar() (gas: 385846)
-ScribeOptimisticTest:test_afterAuthedAction_4_setChallengePeriod() (gas: 384610)
+ScribeOptimisticTest:test_Deployment() (gas: 59359)
+ScribeOptimisticTest:test_afterAuthedAction_1_drop() (gas: 248804)
+ScribeOptimisticTest:test_afterAuthedAction_1_setBar() (gas: 295659)
+ScribeOptimisticTest:test_afterAuthedAction_1_setChallengePeriod() (gas: 294180)
+ScribeOptimisticTest:test_afterAuthedAction_2_drop() (gas: 325741)
+ScribeOptimisticTest:test_afterAuthedAction_2_setBar() (gas: 384823)
+ScribeOptimisticTest:test_afterAuthedAction_2_setChallengePeriod() (gas: 384423)
+ScribeOptimisticTest:test_afterAuthedAction_3_drop() (gas: 251454)
+ScribeOptimisticTest:test_afterAuthedAction_3_setBar() (gas: 298843)
+ScribeOptimisticTest:test_afterAuthedAction_3_setChallengePeriod() (gas: 298316)
+ScribeOptimisticTest:test_afterAuthedAction_4_drop() (gas: 327250)
+ScribeOptimisticTest:test_afterAuthedAction_4_setBar() (gas: 386044)
+ScribeOptimisticTest:test_afterAuthedAction_4_setChallengePeriod() (gas: 384786)
 ScribeOptimisticTest:test_drop_IndexZero() (gas: 44243)
-ScribeOptimisticTest:test_drop_Multiple_IsAuthProtected() (gas: 14726)
-ScribeOptimisticTest:test_drop_Single_IsAuthProtected() (gas: 12760)
-ScribeOptimisticTest:test_latestRoundData_isTollProtected() (gas: 13986)
-ScribeOptimisticTest:test_lift_Multiple_FailsIf_ECDSADataInvalid() (gas: 106951)
-ScribeOptimisticTest:test_lift_Multiple_FailsIf_MaxFeedsReached() (gas: 20286905)
-ScribeOptimisticTest:test_lift_Multiple_IsAuthProtected() (gas: 16446)
-ScribeOptimisticTest:test_lift_Single_FailsIf_ECDSADataInvalid() (gas: 22113)
-ScribeOptimisticTest:test_lift_Single_FailsIf_MaxFeedsReached() (gas: 19731467)
+ScribeOptimisticTest:test_drop_Multiple_IsAuthProtected() (gas: 14770)
+ScribeOptimisticTest:test_drop_Single_IsAuthProtected() (gas: 12782)
+ScribeOptimisticTest:test_latestAnswer_isTollProtected() (gas: 12505)
+ScribeOptimisticTest:test_latestRoundData_isTollProtected() (gas: 14030)
+ScribeOptimisticTest:test_lift_Multiple_FailsIf_ECDSADataInvalid() (gas: 106973)
+ScribeOptimisticTest:test_lift_Multiple_FailsIf_MaxFeedsReached() (gas: 20286949)
+ScribeOptimisticTest:test_lift_Multiple_IsAuthProtected() (gas: 16490)
+ScribeOptimisticTest:test_lift_Single_FailsIf_ECDSADataInvalid() (gas: 22135)
+ScribeOptimisticTest:test_lift_Single_FailsIf_MaxFeedsReached() (gas: 19731489)
 ScribeOptimisticTest:test_lift_Single_IsAuthProtected() (gas: 12905)
-ScribeOptimisticTest:test_opChallenge_FailsIf_CalledSubsequently() (gas: 311597)
-ScribeOptimisticTest:test_opChallenge_FailsIf_InvalidSchnorrDataGiven() (gas: 283188)
-ScribeOptimisticTest:test_opChallenge_FailsIf_NoOpPokeToChallenge() (gas: 14853)
-ScribeOptimisticTest:test_peek_isTollProtected() (gas: 12826)
-ScribeOptimisticTest:test_peep_isTollProtected() (gas: 13178)
-ScribeOptimisticTest:test_poke_Initial_FailsIf_AgeIsZero() (gas: 242731)
+ScribeOptimisticTest:test_opChallenge_FailsIf_CalledSubsequently() (gas: 311729)
+ScribeOptimisticTest:test_opChallenge_FailsIf_InvalidSchnorrDataGiven() (gas: 283298)
+ScribeOptimisticTest:test_opChallenge_FailsIf_NoOpPokeToChallenge() (gas: 14897)
+ScribeOptimisticTest:test_peek_isTollProtected() (gas: 12870)
+ScribeOptimisticTest:test_peep_isTollProtected() (gas: 13200)
+ScribeOptimisticTest:test_poke_Initial_FailsIf_AgeIsZero() (gas: 242775)
 ScribeOptimisticTest:test_readWithAge_isTollProtected() (gas: 12357)
-ScribeOptimisticTest:test_read_isTollProtected() (gas: 11801)
-ScribeOptimisticTest:test_setBar_FailsIf_BarIsZero() (gas: 11771)
-ScribeOptimisticTest:test_setBar_IsAuthProtected() (gas: 13686)
-ScribeOptimisticTest:test_setMaxChallengeReward_IsAuthProtected() (gas: 13686)
-ScribeOptimisticTest:test_setOpChallengePeriod_DropsFinalizedOpPoke_If_NonFinalizedAfterUpdate() (gas: 299610)
-ScribeOptimisticTest:test_setOpChallengePeriod_FailsIf_OpChallengePeriodIsZero() (gas: 11545)
-ScribeOptimisticTest:test_setOpChallengePeriod_IsAuthProtected() (gas: 12310)
-ScribeOptimisticTest:test_toll_diss_IsAuthProtected() (gas: 13216)
-ScribeOptimisticTest:test_toll_kiss_IsAuthProtected() (gas: 12397)
-ScribeOptimisticTest:test_tryReadWithAge_isTollProtected() (gas: 13702)
-ScribeOptimisticTest:test_tryRead_isTollProtected() (gas: 12964)
-ScribeTest:test_Deployment() (gas: 40852)
+ScribeOptimisticTest:test_read_isTollProtected() (gas: 11823)
+ScribeOptimisticTest:test_setBar_FailsIf_BarIsZero() (gas: 11793)
+ScribeOptimisticTest:test_setBar_IsAuthProtected() (gas: 13730)
+ScribeOptimisticTest:test_setMaxChallengeReward_IsAuthProtected() (gas: 13730)
+ScribeOptimisticTest:test_setOpChallengePeriod_DropsFinalizedOpPoke_If_NonFinalizedAfterUpdate() (gas: 299764)
+ScribeOptimisticTest:test_setOpChallengePeriod_FailsIf_OpChallengePeriodIsZero() (gas: 11567)
+ScribeOptimisticTest:test_setOpChallengePeriod_IsAuthProtected() (gas: 12332)
+ScribeOptimisticTest:test_toll_diss_IsAuthProtected() (gas: 13260)
+ScribeOptimisticTest:test_toll_kiss_IsAuthProtected() (gas: 12419)
+ScribeOptimisticTest:test_tryReadWithAge_isTollProtected() (gas: 13746)
+ScribeOptimisticTest:test_tryRead_isTollProtected() (gas: 12986)
+ScribeTest:test_Deployment() (gas: 42326)
 ScribeTest:test_drop_IndexZero() (gas: 16904)
-ScribeTest:test_drop_Multiple_IsAuthProtected() (gas: 13750)
-ScribeTest:test_drop_Single_IsAuthProtected() (gas: 12126)
-ScribeTest:test_latestRoundData_isTollProtected() (gas: 13088)
-ScribeTest:test_lift_Multiple_FailsIf_ECDSADataInvalid() (gas: 106604)
-ScribeTest:test_lift_Multiple_FailsIf_MaxFeedsReached() (gas: 20286231)
-ScribeTest:test_lift_Multiple_IsAuthProtected() (gas: 15561)
-ScribeTest:test_lift_Single_FailsIf_ECDSADataInvalid() (gas: 21415)
-ScribeTest:test_lift_Single_FailsIf_MaxFeedsReached() (gas: 19732296)
+ScribeTest:test_drop_Multiple_IsAuthProtected() (gas: 13794)
+ScribeTest:test_drop_Single_IsAuthProtected() (gas: 12148)
+ScribeTest:test_latestAnswer_isTollProtected() (gas: 12092)
+ScribeTest:test_latestRoundData_isTollProtected() (gas: 13132)
+ScribeTest:test_lift_Multiple_FailsIf_ECDSADataInvalid() (gas: 106626)
+ScribeTest:test_lift_Multiple_FailsIf_MaxFeedsReached() (gas: 20286275)
+ScribeTest:test_lift_Multiple_IsAuthProtected() (gas: 15605)
+ScribeTest:test_lift_Single_FailsIf_ECDSADataInvalid() (gas: 21437)
+ScribeTest:test_lift_Single_FailsIf_MaxFeedsReached() (gas: 19732318)
 ScribeTest:test_lift_Single_IsAuthProtected() (gas: 12535)
-ScribeTest:test_peek_isTollProtected() (gas: 12329)
-ScribeTest:test_peep_isTollProtected() (gas: 12439)
-ScribeTest:test_poke_Initial_FailsIf_AgeIsZero() (gas: 239291)
+ScribeTest:test_peek_isTollProtected() (gas: 12373)
+ScribeTest:test_peep_isTollProtected() (gas: 12461)
+ScribeTest:test_poke_Initial_FailsIf_AgeIsZero() (gas: 239335)
 ScribeTest:test_readWithAge_isTollProtected() (gas: 11969)
-ScribeTest:test_read_isTollProtected() (gas: 11673)
-ScribeTest:test_setBar_FailsIf_BarIsZero() (gas: 11370)
-ScribeTest:test_setBar_IsAuthProtected() (gas: 12779)
-ScribeTest:test_toll_diss_IsAuthProtected() (gas: 12489)
-ScribeTest:test_toll_kiss_IsAuthProtected() (gas: 12066)
-ScribeTest:test_tryReadWithAge_isTollProtected() (gas: 12827)
-ScribeTest:test_tryRead_isTollProtected() (gas: 12265)
\ No newline at end of file
+ScribeTest:test_read_isTollProtected() (gas: 11695)
+ScribeTest:test_setBar_FailsIf_BarIsZero() (gas: 11392)
+ScribeTest:test_setBar_IsAuthProtected() (gas: 12823)
+ScribeTest:test_toll_diss_IsAuthProtected() (gas: 12533)
+ScribeTest:test_toll_kiss_IsAuthProtected() (gas: 12088)
+ScribeTest:test_tryReadWithAge_isTollProtected() (gas: 12871)
+ScribeTest:test_tryRead_isTollProtected() (gas: 12287)
\ No newline at end of file
diff --git a/script/chaincheck/IScribeChaincheck.sol b/script/chaincheck/IScribeChaincheck.sol
index fece080..8ad7b6d 100644
--- a/script/chaincheck/IScribeChaincheck.sol
+++ b/script/chaincheck/IScribeChaincheck.sol
@@ -504,6 +504,16 @@ contract IScribeChaincheck is Chaincheck {
             logs.push(log);
         }
 
+        // Note that latestAnswer()(int) was added in v1.2.0 and may not be
+        // supported by every deployed Scribe(Optimistic) instance.
+        try self.latestAnswer() returns (int val) {
+            if (uint(val) != valWant) {
+                logs.push(log);
+            }
+        } catch {
+            // Scribe instance has version <v1.2.0.
+        }
+
         // - MakerDAO Compatibility Functions
 
         (valGot, isValidGot) = self.peek();
diff --git a/src/IScribe.sol b/src/IScribe.sol
index 443eb26..d78406e 100644
--- a/src/IScribe.sol
+++ b/src/IScribe.sol
@@ -128,6 +128,13 @@ interface IScribe is IChronicle {
             uint80 answeredInRound
         );
 
+    /// @notice Returns the oracle's latest value.
+    /// @dev Provides partial compatibility with Chainlink's
+    ///      IAggregatorV3Interface.
+    /// @custom:deprecated See https://docs.chain.link/data-feeds/api-reference/#latestanswer.
+    /// @return answer The oracle's latest value.
+    function latestAnswer() external view returns (int);
+
     /// @notice Pokes the oracle.
     /// @dev Expects `pokeData`'s age to be greater than the timestamp of the
     ///      last successful poke.
diff --git a/src/Scribe.sol b/src/Scribe.sol
index 76f71aa..307b3a9 100644
--- a/src/Scribe.sol
+++ b/src/Scribe.sol
@@ -326,6 +326,13 @@ contract Scribe is IScribe, Auth, Toll {
         answeredInRound = roundId;
     }
 
+    /// @inheritdoc IScribe
+    /// @dev Only callable by toll'ed address.
+    function latestAnswer() external view virtual toll returns (int) {
+        uint val = _pokeData.val;
+        return int(val);
+    }
+
     // -- Public Read Functionality --
 
     /// @inheritdoc IScribe
diff --git a/src/ScribeOptimistic.sol b/src/ScribeOptimistic.sol
index 0307a35..3f154c8 100644
--- a/src/ScribeOptimistic.sol
+++ b/src/ScribeOptimistic.sol
@@ -415,6 +415,20 @@ contract ScribeOptimistic is IScribeOptimistic, Scribe {
         answeredInRound = roundId;
     }
 
+    /// @inheritdoc IScribe
+    /// @dev Only callable by toll'ed address.
+    function latestAnswer()
+        external
+        view
+        virtual
+        override(IScribe, Scribe)
+        toll
+        returns (int)
+    {
+        uint val = _currentPokeData().val;
+        return int(val);
+    }
+
     function _currentPokeData() internal view returns (PokeData memory) {
         // Load pokeData slots from storage.
         PokeData memory pokeData = _pokeData;
diff --git a/test/IScribeTest.sol b/test/IScribeTest.sol
index 2ff54f5..90ec0bf 100644
--- a/test/IScribeTest.sol
+++ b/test/IScribeTest.sol
@@ -122,6 +122,9 @@ abstract contract IScribeTest is Test {
         assertEq(startedAt, 0);
         assertEq(updatedAt, wantAge);
         assertEq(uint(answeredInRound), 1);
+
+        answer = scribe.latestAnswer();
+        assertEq(uint(answer), wantVal);
     }
 
     // -- Test: Deployment --
@@ -191,6 +194,9 @@ abstract contract IScribeTest is Test {
         assertEq(startedAt, 0);
         assertEq(updatedAt, 0);
         assertEq(answeredInRound, 1);
+
+        // latestAnswer()(int) returns zero.
+        assertEq(scribe.latestAnswer(), int(0));
     }
 
     // -- Test: Schnorr Verification --
@@ -940,4 +946,12 @@ abstract contract IScribeTest is Test {
         );
         scribe.latestRoundData();
     }
+
+    function test_latestAnswer_isTollProtected() public {
+        vm.prank(address(0xbeef));
+        vm.expectRevert(
+            abi.encodeWithSelector(IToll.NotTolled.selector, address(0xbeef))
+        );
+        scribe.latestAnswer();
+    }
 }