diff --git a/nym-wallet/src-tauri/src/operations/nym_api/status.rs b/nym-wallet/src-tauri/src/operations/nym_api/status.rs
index 3b3bc1bd88..873a1fa0a4 100644
--- a/nym-wallet/src-tauri/src/operations/nym_api/status.rs
+++ b/nym-wallet/src-tauri/src/operations/nym_api/status.rs
@@ -4,11 +4,11 @@
 use crate::api_client;
 use crate::error::BackendError;
 use crate::state::WalletState;
-use mixnet_contract_common::{reward_params::Performance, IdentityKeyRef, MixId, Percent, Coin};
+use mixnet_contract_common::{reward_params::Performance, Coin, IdentityKeyRef, MixId, Percent};
 use validator_client::models::{
-    ComputeRewardEstParam, GatewayCoreStatusResponse, InclusionProbabilityResponse,
-    MixnodeCoreStatusResponse, MixnodeStatusResponse, RewardEstimationResponse,
-    StakeSaturationResponse, GatewayStatusReportResponse
+    ComputeRewardEstParam, GatewayCoreStatusResponse, GatewayStatusReportResponse,
+    InclusionProbabilityResponse, MixnodeCoreStatusResponse, MixnodeStatusResponse,
+    RewardEstimationResponse, StakeSaturationResponse,
 };
 
 #[tauri::command]
@@ -63,7 +63,6 @@ pub async fn mixnode_reward_estimation(
 pub async fn compute_mixnode_reward_estimation(
     mix_id: u32,
     performance: Option<Performance>,
-    _active_in_rewarded_set: Option<bool>,
     pledge_amount: Option<u64>,
     total_delegation: Option<u64>,
     interval_operating_cost: Option<Coin>,
@@ -76,7 +75,7 @@ pub async fn compute_mixnode_reward_estimation(
         pledge_amount,
         total_delegation,
         interval_operating_cost,
-        profit_margin_percent
+        profit_margin_percent,
     };
     Ok(api_client!(state)
         .compute_mixnode_reward_estimation(mix_id, &request_body)
diff --git a/nym-wallet/src/components/RewardsPlayground/Inputs.tsx b/nym-wallet/src/components/RewardsPlayground/Inputs.tsx
index a3e0e2b735..1f1dbac935 100644
--- a/nym-wallet/src/components/RewardsPlayground/Inputs.tsx
+++ b/nym-wallet/src/components/RewardsPlayground/Inputs.tsx
@@ -70,6 +70,7 @@ export const Inputs = ({
             InputProps={{
               endAdornment: <Typography sx={{ color: 'grey.600' }}>{field.isPercentage ? '%' : 'NYM'}</Typography>,
             }}
+            InputLabelProps={{ shrink: true }}
           />
         </Grid>
       ))}{' '}
diff --git a/nym-wallet/src/components/RewardsPlayground/inputsValidationSchema.ts b/nym-wallet/src/components/RewardsPlayground/inputsValidationSchema.ts
index 15e8562288..ef5d9ecc0d 100644
--- a/nym-wallet/src/components/RewardsPlayground/inputsValidationSchema.ts
+++ b/nym-wallet/src/components/RewardsPlayground/inputsValidationSchema.ts
@@ -3,7 +3,7 @@ import { isGreaterThan, isLessThan } from 'src/utils';
 
 export const inputValidationSchema = Yup.object().shape({
   profitMargin: Yup.string()
-    .required()
+    .required('profit margin is a required field')
     .test('Is valid profit margin value', (value, ctx) => {
       const stringValueToNumber = Math.round(Number(value));
 
@@ -31,9 +31,11 @@ export const inputValidationSchema = Yup.object().shape({
       return ctx.createError({ message: 'Delegations must be a valid number' });
     }),
   operatorCost: Yup.string()
-    .required()
+    .required('operator cost is a required field')
     .test('Is valid operator cost value', (value, ctx) => {
-      if (Number(value)) return true;
+      const stringValueToNumber = Math.round(Number(value));
+
+      if (isGreaterThan(stringValueToNumber, -1) && isLessThan(stringValueToNumber, 101)) return true;
       return ctx.createError({ message: 'Operator cost must be a valid number' });
     }),
 });
diff --git a/nym-wallet/src/pages/bonding/node-settings/apy-playground/index.tsx b/nym-wallet/src/pages/bonding/node-settings/apy-playground/index.tsx
index 9963d1af9d..5a3b5f4c6b 100644
--- a/nym-wallet/src/pages/bonding/node-settings/apy-playground/index.tsx
+++ b/nym-wallet/src/pages/bonding/node-settings/apy-playground/index.tsx
@@ -8,6 +8,7 @@ import { Inputs, CalculateArgs } from 'src/components/RewardsPlayground/Inputs';
 import { AppContext, TBondedMixnode } from 'src/context';
 import { computeEstimate, computeStakeSaturation, handleCalculatePeriodRewards } from './utils';
 import { useSnackbar } from 'notistack';
+import { LoadingModal } from 'src/components/Modals/LoadingModal';
 
 export type DefaultInputValues = {
   profitMargin: string;
@@ -28,6 +29,7 @@ export const ApyPlayground = ({ bondedNode }: { bondedNode: TBondedMixnode }) =>
 
   const [defaultInputValues, setDefaultInputValues] = useState<DefaultInputValues>();
   const [stakeSaturation, setStakeSaturation] = useState<string>();
+  const [isLoading, setIsLoading] = useState(true);
 
   const initialise = async (node: TBondedMixnode) => {
     try {
@@ -58,6 +60,7 @@ export const ApyPlayground = ({ bondedNode }: { bondedNode: TBondedMixnode }) =>
         delegations: delegations.total_delegations.amount,
         operatorCost: node.operatorCost.amount,
       });
+      setIsLoading(false);
     } catch (e) {
       enqueueSnackbar(e as string, { variant: 'error' });
     }
@@ -69,6 +72,8 @@ export const ApyPlayground = ({ bondedNode }: { bondedNode: TBondedMixnode }) =>
     }
   }, []);
 
+  if (isLoading) return <LoadingModal />;
+
   const handleCalculateEstimate = async ({ bond, delegations, uptime, profitMargin, operatorCost }: CalculateArgs) => {
     try {
       const { estimation, reward_params } = await computeEstimate({
@@ -91,7 +96,7 @@ export const ApyPlayground = ({ bondedNode }: { bondedNode: TBondedMixnode }) =>
         reward_params.interval.stake_saturation_point,
       );
 
-      setStakeSaturation(decimalToPercentage(computedStakeSaturation.toString()));
+      setStakeSaturation(computedStakeSaturation);
       setResults(estimationResult);
     } catch (e) {
       console.log(e);
diff --git a/nym-wallet/src/pages/bonding/node-settings/apy-playground/utils.tsx b/nym-wallet/src/pages/bonding/node-settings/apy-playground/utils.tsx
index 0acc483944..bc99898b45 100644
--- a/nym-wallet/src/pages/bonding/node-settings/apy-playground/utils.tsx
+++ b/nym-wallet/src/pages/bonding/node-settings/apy-playground/utils.tsx
@@ -1,13 +1,11 @@
-import { percentToDecimal } from '@nymproject/types';
+import { decimalToPercentage, percentToDecimal } from '@nymproject/types';
 import { computeMixnodeRewardEstimation } from 'src/requests';
 
 const SCALE_FACTOR = 1_000_000;
 
 export const computeStakeSaturation = (bond: string, delegations: string, stakeSaturationPoint: string) => {
   const res = ((+bond + +delegations) * SCALE_FACTOR) / +stakeSaturationPoint;
-  console.log(bond, delegations, stakeSaturationPoint, res);
-
-  return res;
+  return decimalToPercentage(res.toFixed(18).toString());
 };
 
 export const computeEstimate = async ({
@@ -28,7 +26,6 @@ export const computeEstimate = async ({
   const computedEstimate = await computeMixnodeRewardEstimation({
     mixId: mixId,
     performance: percentToDecimal(uptime),
-    isActive: true,
     pledgeAmount: Math.round(+pledgeAmount * SCALE_FACTOR),
     totalDelegation: Math.round(+totalDelegation * SCALE_FACTOR),
     profitMarginPercent: percentToDecimal(profitMargin),
diff --git a/nym-wallet/src/requests/queries.ts b/nym-wallet/src/requests/queries.ts
index 6e8e9504f3..640fc79abb 100644
--- a/nym-wallet/src/requests/queries.ts
+++ b/nym-wallet/src/requests/queries.ts
@@ -56,7 +56,6 @@ export const getGatewayReport = async (identity: string) =>
 export const computeMixnodeRewardEstimation = async (args: {
   mixId: number;
   performance: string;
-  isActive: boolean;
   pledgeAmount: number;
   totalDelegation: number;
   profitMarginPercent: string;