diff --git a/h43z.js b/h43z.js
index 465cd8f..370dec4 100644
--- a/h43z.js
+++ b/h43z.js
@@ -9,7 +9,7 @@ if (!fs.existsSync("h43z.json")) {
     let stmt = db.prepare("select * from product");
     for (const row of stmt.iterate()) {
         const item = {
-            store: row.store == "billa" ? "billa" : "spar",
+            store: row.shop == "billa" ? "billa" : "spar",
             id: row.product_id,
             sparId: row.sparId,
             name: row.name,
@@ -51,4 +51,31 @@ if (!fs.existsSync("h43z.json")) {
 }
 
 items = analysis.readJSON("h43z.json");
+items.forEach((item) => {
+    // item.priceHistory = item.priceHistory.filter(price => price.date > "2020-01-01")
+});
+const currItems = analysis.readJSON("data/latest-canonical.json.br");
+const currLookup = {};
+currItems.forEach((item) => (currLookup[item.store + (item.sparId ? item.sparId : item.id)] = item));
+let missingItems = {
+    spar: 0,
+    billa: 0,
+};
+let foundItems = {
+    spar: 0,
+    billa: 0,
+};
+for (item of items) {
+    const i = lookup[item.id];
+    const currItem = currLookup[item.store + item.id];
+    if (!currItem) {
+        missingItems[item.store]++;
+    } else {
+        foundItems[item.store]++;
+        currItem.priceHistory = item.priceHistory;
+    }
+}
+console.log(JSON.stringify(missingItems, null, 2));
+console.log(JSON.stringify(foundItems, null, 2));
 analysis.writeJSON("h43z.compressed.json", items, false, 0, true);
+analysis.writeJSON("data/latest-canonical.h43z.json", currItems, analysis.FILE_COMPRESSOR);
diff --git a/site/js/misc.js b/site/js/misc.js
index 091466a..137c038 100644
--- a/site/js/misc.js
+++ b/site/js/misc.js
@@ -106,6 +106,11 @@ exports.parseNumber = (value, defaultValue) => {
 };
 
 exports.queryItems = (query, items, exactWord) => {
+    alasql.fn.hasPriceChange = (priceHistory, date, endDate) => {
+        if (!endDate) return priceHistory.some((price) => price.date == date);
+        else return priceHistory.some((price) => price.date >= date && price.date <= endDate);
+    };
+
     if (query.charAt(0) == "!") {
         query = query.substring(1);
         try {
diff --git a/site/views/items-chart.js b/site/views/items-chart.js
index 88a33ea..c6ee740 100644
--- a/site/views/items-chart.js
+++ b/site/views/items-chart.js
@@ -84,14 +84,14 @@ class ItemsChart extends View {
             canvasDom.classList.remove("hidden");
         }
 
-        const allDates = items.flatMap((product) => product.priceHistory.map((item) => item.date));
+        const allDates = items.flatMap((item) => item.priceHistory.map((price) => price.date));
         const uniqueDates = [...new Set(allDates)];
         uniqueDates.sort();
 
-        const datasets = items.map((product) => {
+        const datasets = items.map((item) => {
             let price = null;
             const prices = uniqueDates.map((date) => {
-                const priceObj = product.priceHistory.find((item) => item.date === date);
+                const priceObj = item.priceHistory.find((item) => item.date === date);
                 if (!price && priceObj) price = priceObj.price;
                 return priceObj ? priceObj.price : null;
             });
@@ -105,7 +105,7 @@ class ItemsChart extends View {
             }
 
             return {
-                label: (product.store ? product.store + " " : "") + product.name,
+                label: (item.store ? item.store + " " : "") + item.name,
                 data: prices,
             };
         });