diff --git a/src/rest-client-v5.ts b/src/rest-client-v5.ts
index ebe96f4..703eb58 100644
--- a/src/rest-client-v5.ts
+++ b/src/rest-client-v5.ts
@@ -52,6 +52,19 @@ import {
   TickerSpotV5,
   TickerOptionV5,
   TickerLinearInverseV5,
+  SetLeverageParamsV5,
+  SwitchIsolatedMarginParamsV5,
+  SetTPSLModeParamsV5,
+  TPSLModeV5,
+  SwitchPositionModeParamsV5,
+  SetRiskLimitParamsV5,
+  SetRiskLimitResultV5,
+  SetTradingStopParamsV5,
+  SetAutoAddMarginParamsV5,
+  GetExecutionListParamsV5,
+  ExecutionV5,
+  GetClosedPnLParamsV5,
+  ClosedPnLV5,
 } from './types';
 import { REST_CLIENT_TYPE_ENUM } from './util';
 import BaseRestClient from './util/BaseRestClient';
@@ -410,6 +423,8 @@ export class RestClientV5 extends BaseRestClient {
    * Unified account covers: Linear contract / Options
    *
    * Normal account covers: USDT perpetual / Inverse perpetual / Inverse futures
+   *
+   * Note: this will give a 404 error if you query the `option` category if your account is not unified
    */
   getPositionInfo(
     params: PositionInfoParamsV5
@@ -417,6 +432,118 @@ export class RestClientV5 extends BaseRestClient {
     return this.getPrivate('/v5/position/list', params);
   }
 
+  /**
+   * Set the leverage
+   *
+   * Unified account covers: Linear contract
+   *
+   * Normal account covers: USDT perpetual / Inverse perpetual / Inverse futures
+   *
+   * Note: Under one-way mode, buyLeverage must be the same as sellLeverage
+   */
+  setLeverage(params: SetLeverageParamsV5): Promise<APIResponseV3WithTime<{}>> {
+    return this.postPrivate('/v5/position/set-leverage', params);
+  }
+
+  /**
+   * Select cross margin mode or isolated margin mode.
+   *
+   * Covers: USDT perpetual (Normal account) / Inverse contract (Normal account).
+   *
+   * Switching margin modes will cause orders in progress to be cancelled. Please make sure that there are no open orders before you switch margin modes.
+   */
+  switchIsolatedMargin(
+    params: SwitchIsolatedMarginParamsV5
+  ): Promise<APIResponseV3WithTime<{}>> {
+    return this.postPrivate('/v5/position/switch-isolated', params);
+  }
+
+  /**
+   * This endpoint sets the take profit/stop loss (TP/SL) mode to full or partial.
+   *
+   * Unified account covers: Linear contract; normal account covers: USDT perpetual, inverse perpetual, inverse futures.
+   *
+   * For partial TP/SL mode, you can set the TP/SL size smaller than position size.
+   */
+  setTPSLMode(
+    params: SetTPSLModeParamsV5
+  ): Promise<APIResponseV3WithTime<{ tpSlMode: TPSLModeV5 }>> {
+    return this.postPrivate('/v5/position/set-tpsl-mode', params);
+  }
+
+  /**
+   * Switches the position mode for USDT perpetual and Inverse futures.
+   *
+   * If you are in one-way Mode, you can only open one position on Buy or Sell side.
+   *
+   * If you are in hedge mode, you can open both Buy and Sell side positions simultaneously.
+   *
+   * Position mode. 0: Merged Single. 3: Both Sides.
+   */
+  switchPositionMode(
+    params: SwitchPositionModeParamsV5
+  ): Promise<APIResponseV3WithTime<{}>> {
+    return this.postPrivate('/v5/position/switch-mode', params);
+  }
+
+  /**
+   * The risk limit will limit the maximum position value you can hold under different margin requirements. If you want to hold a bigger position size, you need more margin. This interface can set the risk limit of a single position. If the order exceeds the current risk limit when placing an order, it will be rejected.
+   */
+  setRiskLimit(
+    params: SetRiskLimitParamsV5
+  ): Promise<APIResponseV3WithTime<SetRiskLimitResultV5>> {
+    return this.postPrivate('/v5/position/set-risk-limit', params);
+  }
+
+  /**
+   * This endpoint allows you to set the take profit, stop loss or trailing stop for a position.
+   * Passing these parameters will create conditional orders by the system internally.
+   *
+   * The system will cancel these orders if the position is closed, and adjust the qty according to the size of the open position.
+   *
+   * Unified account covers: Linear contract.
+   * Normal account covers: USDT perpetual / Inverse perpetual / Inverse futures.
+   */
+  setTradingStop(
+    params: SetTradingStopParamsV5
+  ): Promise<APIResponseV3WithTime<{}>> {
+    return this.postPrivate('/v5/position/trading-stop', params);
+  }
+  /**
+   * This endpoint allows you to turn on/off auto-add-margin for an isolated margin position.
+   *
+   * Covers: USDT perpetual (Normal Account).
+   */
+  setAutoAddMargin(
+    params: SetAutoAddMarginParamsV5
+  ): Promise<APIResponseV3WithTime<{}>> {
+    return this.postPrivate('/v5/position/set-auto-add-margin', params);
+  }
+
+  /**
+   * Query users' execution records, sorted by execTime in descending order
+   *
+   * Unified account covers: Spot / Linear contract / Options
+   * Normal account covers: USDT perpetual / Inverse perpetual / Inverse futures
+   */
+  getExecutionListV5(
+    params: GetExecutionListParamsV5
+  ): Promise<APIResponseV3WithTime<CategoryCursorListV5<ExecutionV5[]>>> {
+    return this.getPrivate('/v5/execution/list', params);
+  }
+
+  /**
+   * Query user's closed profit and loss records. The results are sorted by createdTime in descending order.
+   *
+   * Unified account covers: Linear contract
+   * Normal account covers: USDT perpetual / Inverse perpetual / Inverse futures
+   */
+  getClosedPnL(
+    params: GetClosedPnLParamsV5
+  ): Promise<APIResponseV3WithTime<CategoryCursorListV5<ClosedPnLV5[]>>> {
+    return this.getPrivate('/v5/position/closed-pnl', params);
+  }
+
   //
   //
   //
diff --git a/src/types/request/v5-position.ts b/src/types/request/v5-position.ts
index 91e0c1f..f378771 100644
--- a/src/types/request/v5-position.ts
+++ b/src/types/request/v5-position.ts
@@ -1,4 +1,4 @@
-import { CategoryV5 } from '../v5-shared';
+import { CategoryV5, TPSLModeV5 } from '../v5-shared';
 
 export interface PositionInfoParamsV5 {
   category: CategoryV5;
@@ -8,3 +8,81 @@ export interface PositionInfoParamsV5 {
   limit?: number;
   cursor?: string;
 }
+
+export interface SetLeverageParamsV5 {
+  category: 'linear' | 'inverse';
+  symbol: string;
+  buyLeverage: string;
+  sellLeverage: string;
+}
+
+export interface SwitchIsolatedMarginParamsV5 {
+  category: 'linear' | 'inverse';
+  symbol: string;
+  tradeMode: 0 | 1;
+  buyLeverage: string;
+  sellLeverage: string;
+}
+
+export interface SetTPSLModeParamsV5 {
+  category: 'linear' | 'inverse';
+  symbol: string;
+  tpSlMode: TPSLModeV5;
+}
+
+export interface SwitchPositionModeParamsV5 {
+  category: 'linear' | 'inverse';
+  symbol?: string;
+  coin?: string;
+  mode: 0 | 3;
+}
+
+export interface SetRiskLimitParamsV5 {
+  category: 'linear' | 'inverse';
+  symbol: string;
+  riskId: number;
+  positionIdx?: number;
+}
+
+export interface SetTradingStopParamsV5 {
+  symbol: string;
+  category: CategoryV5;
+  takeProfit?: string;
+  stopLoss?: string;
+  trailingStop?: string;
+  tpTriggerBy?: string;
+  slTriggerBy?: string;
+  activePrice?: string;
+  tpSize?: string;
+  slSize?: string;
+  positionIdx: number;
+}
+
+export interface SetAutoAddMarginParamsV5 {
+  category: 'linear';
+  symbol: string;
+  autoAddMargin: 0 | 1;
+  positionIdx?: number;
+}
+
+export interface GetExecutionListParamsV5 {
+  category: CategoryV5;
+  symbol?: string;
+  orderId?: string;
+  orderLinkId?: string;
+  baseCoin?: string;
+  startTime?: number;
+  endTime?: number;
+  execType?: string;
+  limit?: number;
+  cursor?: string;
+}
+
+export interface GetClosedPnLParamsV5 {
+  category: CategoryV5;
+  symbol?: string;
+  startTime?: number;
+  endTime?: number;
+  limit?: number;
+  cursor?: string;
+}
diff --git a/src/types/response/v5-position.ts b/src/types/response/v5-position.ts
index ae283b9..768d226 100644
--- a/src/types/response/v5-position.ts
+++ b/src/types/response/v5-position.ts
@@ -1,7 +1,14 @@
-import { CategoryV5 } from '../v5-shared';
+import {
+  CategoryV5,
+  OrderSideV5,
+  OrderTypeV5,
+  PositionIdx,
+  TPSLModeV5,
+  TradeModeV5,
+} from '../v5-shared';
 
 export interface PositionV5 {
-  positionIdx: number;
+  positionIdx: PositionIdx;
   riskId: number;
   riskLimitValue: string;
   symbol: string;
@@ -9,7 +16,7 @@ export interface PositionV5 {
   size: string;
   avgPrice: string;
   positionValue: string;
-  tradeMode: number;
+  tradeMode: TradeModeV5;
   autoAddMargin?: number;
   positionStatus: 'Normal' | 'Liq' | 'Adl';
   leverage?: string;
@@ -18,7 +25,7 @@ export interface PositionV5 {
   bustPrice?: string;
   positionIM?: string;
   positionMM?: string;
-  tpslMode?: 'Full' | 'Partial';
+  tpslMode?: TPSLModeV5;
   takeProfit?: string;
   stopLoss?: string;
   trailingStop?: string;
@@ -27,3 +34,56 @@ export interface PositionV5 {
   createdTime: string;
   updatedTime: string;
 }
+
+export interface SetRiskLimitResultV5 {
+  category: CategoryV5;
+  riskId: number;
+  riskLimitValue: string;
+}
+
+export interface ExecutionV5 {
+  symbol: string;
+  orderId: string;
+  orderLinkId: string;
+  side: OrderSideV5;
+  orderPrice: string;
+  orderQty: string;
+  leavesQty: string;
+  orderType: OrderTypeV5;
+  stopOrderType?: string;
+  execFee: string;
+  execId: string;
+  execPrice: string;
+  execQty: string;
+  execType: string;
+  execValue: string;
+  execTime: string;
+  isMaker: boolean;
+  feeRate: string;
+  tradeIv?: string;
+  markIv?: string;
+  markPrice: string;
+  indexPrice: string;
+  underlyingPrice?: string;
+  blockTradeId?: string;
+}
+
+export interface ClosedPnLV5 {
+  symbol: string;
+  orderId: string;
+  side: string;
+  qty: string;
+  orderPrice: string;
+  orderType: string;
+  execType: string;
+  closedSize: string;
+  cumEntryValue: string;
+  avgEntryPrice: string;
+  cumExitValue: string;
+  avgExitPrice: string;
+  closedPnl: string;
+  fillCount: string;
+  leverage: string;
+  createdTime: string;
+  updatedTime: string;
+}
diff --git a/src/types/v5-shared.ts b/src/types/v5-shared.ts
index afd2655..1fc21bb 100644
--- a/src/types/v5-shared.ts
+++ b/src/types/v5-shared.ts
@@ -2,10 +2,15 @@ export type CategoryV5 = 'spot' | 'linear' | 'inverse' | 'option';
 
 export type OrderFilterV5 = 'Order' | 'tpslOrder';
 export type OrderSideV5 = 'Buy' | 'Sell';
+export type OrderTypeV5 = 'Market' | 'Limit';
 export type OrderTimeInForceV5 = 'GTC' | 'IOC' | 'FOK' | 'PostOnly';
 export type OrderTriggerByV5 = 'LastPrice' | 'IndexPrice' | 'MarkPrice';
-export type OrderTypeV5 = 'Market' | 'Limit';
 export type PositionIdx = 0 | 1 | 2;
+/**
+ * Trade mode. 0: cross-margin, 1: isolated margin
+ */
+export type TradeModeV5 = 0 | 1;
+export type TPSLModeV5 = 'Full' | 'Partial';
 
 export interface CategoryCursorListV5<T extends unknown[]> {
   category: CategoryV5;