diff --git a/core/src/exchanges/hyperliquid/index.ts b/core/src/exchanges/hyperliquid/index.ts
index 62fcc36f..8d5e43d0 100644
--- a/core/src/exchanges/hyperliquid/index.ts
+++ b/core/src/exchanges/hyperliquid/index.ts
@@ -145,7 +145,7 @@ export class HyperliquidExchange extends PredictionMarketExchange {
         return this.normalizer.normalizeOrderBook(raw, outcomeId);
     }
 
-    async fetchOHLCV(outcomeId: string, params: OHLCVParams = {}): Promise<PriceCandle[]> {
+    async fetchOHLCV(outcomeId: string, params: OHLCVParams = { resolution: '1h' }): Promise<PriceCandle[]> {
         const raw = await this.fetcher.fetchRawOHLCV(outcomeId, params);
         return this.normalizer.normalizeOHLCV(raw, params);
     }
diff --git a/sdks/python/pmxt/client.py b/sdks/python/pmxt/client.py
index 7e256deb..cca8c805 100644
--- a/sdks/python/pmxt/client.py
+++ b/sdks/python/pmxt/client.py
@@ -2235,7 +2235,7 @@ def fetch_ohlcv(
                     params_dict[key] = value
 
             args = [outcome_id, params_dict]
-            query = {"id": outcome_id, **params_dict}
+            query = {"outcomeId": outcome_id, **params_dict}
             data = self._handle_response(
                 self._sidecar_read_request("fetchOHLCV", query, args)
             )
@@ -2295,7 +2295,7 @@ def fetch_trades(
                     params_dict[key] = value
 
             args = [outcome_id, params_dict]
-            query = {"id": outcome_id, **params_dict}
+            query = {"outcomeId": outcome_id, **params_dict}
             data = self._handle_response(
                 self._sidecar_read_request("fetchTrades", query, args)
             )
diff --git a/sdks/typescript/pmxt/client.ts b/sdks/typescript/pmxt/client.ts
index 5fcf5740..dd4034b3 100644
--- a/sdks/typescript/pmxt/client.ts
+++ b/sdks/typescript/pmxt/client.ts
@@ -1750,7 +1750,7 @@ export abstract class Exchange {
             }
 
             const args = [resolvedOutcomeId, paramsDict];
-            const query = { id: resolvedOutcomeId, ...paramsDict };
+            const query = { outcomeId: resolvedOutcomeId, ...paramsDict };
             const json = await this.sidecarReadRequest('fetchOHLCV', query, args);
             const data = this.handleResponse(json);
             return data.map(convertCandle);
@@ -1791,7 +1791,7 @@ export abstract class Exchange {
             }
 
             const args = [resolvedOutcomeId, paramsDict];
-            const query = { id: resolvedOutcomeId, ...paramsDict };
+            const query = { outcomeId: resolvedOutcomeId, ...paramsDict };
             const json = await this.sidecarReadRequest('fetchTrades', query, args);
             const data = this.handleResponse(json);
             return data.map(convertTrade);