diff --git a/packages/indexer-nibi/src/gql/generated.ts b/packages/indexer-nibi/src/gql/generated.ts
index 9394373f..748ccf09 100644
--- a/packages/indexer-nibi/src/gql/generated.ts
+++ b/packages/indexer-nibi/src/gql/generated.ts
@@ -249,6 +249,7 @@ export type PeriodFilter = {
 export type PerpLeaderboard = {
   readonly __typename?: "PerpLeaderboard"
   readonly avg_pct_pnl: Scalars["Float"]["output"]
+  readonly avg_pct_pnl_rank: Scalars["Int"]["output"]
   readonly input_margin: Scalars["Float"]["output"]
   readonly raw_pnl: Scalars["Float"]["output"]
   readonly raw_pnl_with_unrealized: Scalars["Float"]["output"]
@@ -261,6 +262,7 @@ export type PerpLeaderboardFilter = {
 
 export enum PerpLeaderboardOrder {
   AvgPctPnl = "avg_pct_pnl",
+  AvgPctPnlRank = "avg_pct_pnl_rank",
   RawPnl = "raw_pnl",
   RawPnlWithUnrealized = "raw_pnl_with_unrealized",
   TraderAddress = "trader_address",
@@ -868,9 +870,20 @@ export type StringFilter = {
   readonly like?: InputMaybe<Scalars["String"]["input"]>
 }
 
+export type SubPerpMarketFilter = {
+  readonly pair: Scalars["String"]["input"]
+}
+
+export type SubPerpPositionFilter = {
+  readonly pair?: InputMaybe<Scalars["String"]["input"]>
+  readonly trader_address: Scalars["String"]["input"]
+}
+
 export type Subscription = {
   readonly __typename?: "Subscription"
   readonly markPriceCandles: ReadonlyArray<MarkPriceCandle>
+  readonly perpMarket: PerpMarket
+  readonly perpPositions: ReadonlyArray<PerpPosition>
 }
 
 export type SubscriptionMarkPriceCandlesArgs = {
@@ -878,6 +891,14 @@ export type SubscriptionMarkPriceCandlesArgs = {
   where?: InputMaybe<MarkPriceCandlesFilter>
 }
 
+export type SubscriptionPerpMarketArgs = {
+  where: SubPerpMarketFilter
+}
+
+export type SubscriptionPerpPositionsArgs = {
+  where: SubPerpPositionFilter
+}
+
 export type TimeFilter = {
   readonly eq?: InputMaybe<Scalars["Time"]["input"]>
   readonly gt?: InputMaybe<Scalars["Time"]["input"]>
diff --git a/packages/indexer-nibi/src/gql/schema.graphql b/packages/indexer-nibi/src/gql/schema.graphql
index 281c8a52..e3fd2be6 100644
--- a/packages/indexer-nibi/src/gql/schema.graphql
+++ b/packages/indexer-nibi/src/gql/schema.graphql
@@ -209,6 +209,7 @@ input PeriodFilter {
 
 type PerpLeaderboard {
   avg_pct_pnl: Float!
+  avg_pct_pnl_rank: Int!
   input_margin: Float!
   raw_pnl: Float!
   raw_pnl_with_unrealized: Float!
@@ -221,6 +222,7 @@ input PerpLeaderboardFilter {
 
 enum PerpLeaderboardOrder {
   avg_pct_pnl
+  avg_pct_pnl_rank
   raw_pnl
   raw_pnl_with_unrealized
   trader_address
@@ -752,11 +754,22 @@ input StringFilter {
   like: String
 }
 
+input SubPerpMarketFilter {
+  pair: String!
+}
+
+input SubPerpPositionFilter {
+  pair: String
+  trader_address: String!
+}
+
 type Subscription {
   markPriceCandles(
     limit: Int
     where: MarkPriceCandlesFilter
   ): [MarkPriceCandle!]!
+  perpMarket(where: SubPerpMarketFilter!): PerpMarket!
+  perpPositions(where: SubPerpPositionFilter!): [PerpPosition!]!
 }
 
 scalar Time
diff --git a/packages/indexer-nibi/src/query/perpLeaderboard.ts b/packages/indexer-nibi/src/query/perpLeaderboard.ts
index 16f4a6d7..08271f7d 100644
--- a/packages/indexer-nibi/src/query/perpLeaderboard.ts
+++ b/packages/indexer-nibi/src/query/perpLeaderboard.ts
@@ -6,6 +6,7 @@ import {
 } from "../gql/generated"
 
 export const defaultPerpLeaderboardObject: PerpLeaderboard = {
+  avg_pct_pnl_rank: 0,
   avg_pct_pnl: 0,
   input_margin: 0,
   raw_pnl: 0,
diff --git a/packages/nibijs/docs/classes/StableSwap.md b/packages/nibijs/docs/classes/StableSwap.md
index b7560b83..eae7b455 100644
--- a/packages/nibijs/docs/classes/StableSwap.md
+++ b/packages/nibijs/docs/classes/StableSwap.md
@@ -178,8 +178,8 @@ y()
 Calculate x[j] if one makes x[i] = x
 
 Done by solving quadratic equation iteratively.
-x_1**2 + x1 * (sum' - (A*n**n - 1) _ D / (A _ n**n)) = D ** (n+1)/(n ** (2 _ n) _ prod' \* A)
-x_1**2 + b\*x_1 = c
+x*1**2 + x1 * (sum' - (A*n**n - 1) * D / (A _ n**n)) = D ** (n+1)/(n \*\* (2 _ n) \_ prod' \* A)
+x_1\*\*2 + b\*x_1 = c
 
 x_1 = (x_1\**2 + c) / (2*x_1 + b)