diff --git a/web/components/contracts-list.tsx b/web/components/contracts-list.tsx
index 715a7ffe..69908523 100644
--- a/web/components/contracts-list.tsx
+++ b/web/components/contracts-list.tsx
@@ -3,17 +3,13 @@ import Link from 'next/link'
 import clsx from 'clsx'
 import { useEffect, useState } from 'react'
 
-import {
-  compute,
-  Contract,
-  listContracts,
-  path,
-} from '../lib/firebase/contracts'
+import { compute, Contract, listContracts } from '../lib/firebase/contracts'
 import { User } from '../lib/firebase/users'
 import { Col } from './layout/col'
 import { SiteLink } from './site-link'
 import { parseTags } from '../lib/util/parse'
 import { ContractCard } from './contract-card'
+import { Sort, useQueryAndSortParams } from '../hooks/use-sort-and-query-params'
 
 function ContractsGrid(props: { contracts: Contract[] }) {
   const [resolvedContracts, activeContracts] = _.partition(
@@ -61,7 +57,7 @@ function CreatorContractsGrid(props: { contracts: Contract[] }) {
         const { creatorUsername, creatorName } = byCreator[creatorId][0]
 
         return (
-          <Col className="gap-4">
+          <Col className="gap-4" key={creatorUsername}>
             <SiteLink className="text-lg" href={`/${creatorUsername}`}>
               {creatorName}
             </SiteLink>
@@ -116,7 +112,7 @@ function TagContractsGrid(props: { contracts: Contract[] }) {
     <Col className="gap-6">
       {tags.map((tag) => {
         return (
-          <Col className="gap-4">
+          <Col className="gap-4" key={tag}>
             <SiteLink className="text-lg" href={`/tag/${tag}`}>
               #{tag}
             </SiteLink>
@@ -152,17 +148,15 @@ function TagContractsGrid(props: { contracts: Contract[] }) {
 
 const MAX_CONTRACTS_DISPLAYED = 99
 
-type Sort = 'creator' | 'tag' | 'createdTime' | 'pool' | 'resolved' | 'all'
 export function SearchableGrid(props: {
   contracts: Contract[]
-  defaultSort?: Sort
+  query: string
+  setQuery: (query: string) => void
+  sort: Sort
+  setSort: (sort: Sort) => void
   byOneCreator?: boolean
 }) {
-  const { contracts, defaultSort, byOneCreator } = props
-  const [query, setQuery] = useState('')
-  const [sort, setSort] = useState(
-    defaultSort || (byOneCreator ? 'pool' : 'creator')
-  )
+  const { contracts, query, setQuery, sort, setSort, byOneCreator } = props
 
   function check(corpus: String) {
     return corpus.toLowerCase().includes(query.toLowerCase())
@@ -175,9 +169,9 @@ export function SearchableGrid(props: {
       check(c.creatorUsername)
   )
 
-  if (sort === 'createdTime' || sort === 'resolved' || sort === 'all') {
+  if (sort === 'newest' || sort === 'resolved' || sort === 'all') {
     matches.sort((a, b) => b.createdTime - a.createdTime)
-  } else if (sort === 'pool' || sort === 'creator' || sort === 'tag') {
+  } else if (sort === 'most-traded' || sort === 'creator' || sort === 'tag') {
     matches.sort((a, b) => compute(b).truePool - compute(a).truePool)
   }
 
@@ -213,8 +207,8 @@ export function SearchableGrid(props: {
             <option value="creator">By creator</option>
           )}
           <option value="tag">By tag</option>
-          <option value="pool">Most traded</option>
-          <option value="createdTime">Newest first</option>
+          <option value="most-traded">Most traded</option>
+          <option value="newest">Newest</option>
           <option value="resolved">Resolved</option>
         </select>
       </div>
@@ -234,6 +228,10 @@ export function CreatorContractsList(props: { creator: User }) {
   const { creator } = props
   const [contracts, setContracts] = useState<Contract[] | 'loading'>('loading')
 
+  const { query, setQuery, sort, setSort } = useQueryAndSortParams({
+    defaultSort: 'all',
+  })
+
   useEffect(() => {
     if (creator?.id) {
       // TODO: stream changes from firestore
@@ -243,5 +241,14 @@ export function CreatorContractsList(props: { creator: User }) {
 
   if (contracts === 'loading') return <></>
 
-  return <SearchableGrid contracts={contracts} byOneCreator defaultSort="all" />
+  return (
+    <SearchableGrid
+      contracts={contracts}
+      byOneCreator
+      query={query}
+      setQuery={setQuery}
+      sort={sort}
+      setSort={setSort}
+    />
+  )
 }
diff --git a/web/hooks/use-sort-and-query-params.tsx b/web/hooks/use-sort-and-query-params.tsx
new file mode 100644
index 00000000..ee0db506
--- /dev/null
+++ b/web/hooks/use-sort-and-query-params.tsx
@@ -0,0 +1,40 @@
+import { useRouter } from 'next/router'
+
+export type Sort =
+  | 'creator'
+  | 'tag'
+  | 'newest'
+  | 'most-traded'
+  | 'resolved'
+  | 'all'
+
+export function useQueryAndSortParams(options?: { defaultSort: Sort }) {
+  const router = useRouter()
+
+  const { s: sort, q: query } = router.query as {
+    q?: string
+    s?: Sort
+  }
+
+  const setSort = (sort: Sort | undefined) => {
+    router.query.s = sort
+    router.push(router, undefined, { shallow: true })
+  }
+
+  const setQuery = (query: string | undefined) => {
+    if (query) {
+      router.query.q = query
+    } else {
+      delete router.query.q
+    }
+
+    router.push(router, undefined, { shallow: true })
+  }
+
+  return {
+    sort: sort ?? options?.defaultSort ?? 'creator',
+    query: query ?? '',
+    setSort,
+    setQuery,
+  }
+}
diff --git a/web/pages/landing-page.tsx b/web/pages/landing-page.tsx
index f983a6ac..13d209b6 100644
--- a/web/pages/landing-page.tsx
+++ b/web/pages/landing-page.tsx
@@ -13,6 +13,7 @@ import { SearchableGrid } from '../components/contracts-list'
 import { Col } from '../components/layout/col'
 import { NavBar } from '../components/nav-bar'
 import Link from 'next/link'
+import { useQueryAndSortParams } from '../hooks/use-sort-and-query-params'
 
 export default function LandingPage() {
   return (
@@ -159,13 +160,20 @@ function FeaturesSection() {
 
 function ExploreMarketsSection() {
   const contracts = useContracts()
+  const { query, setQuery, sort, setSort } = useQueryAndSortParams()
 
   return (
     <div className="max-w-4xl px-4 py-8 mx-auto">
       <p className="my-12 text-3xl leading-8 font-extrabold tracking-tight text-indigo-700 sm:text-4xl">
         Explore our markets
       </p>
-      <SearchableGrid contracts={contracts === 'loading' ? [] : contracts} />
+      <SearchableGrid
+        contracts={contracts === 'loading' ? [] : contracts}
+        query={query}
+        setQuery={setQuery}
+        sort={sort}
+        setSort={setSort}
+      />
     </div>
   )
 }
diff --git a/web/pages/markets.tsx b/web/pages/markets.tsx
index f14a1906..96f3c7a4 100644
--- a/web/pages/markets.tsx
+++ b/web/pages/markets.tsx
@@ -1,6 +1,7 @@
 import { SearchableGrid } from '../components/contracts-list'
 import { Page } from '../components/page'
 import { useContracts } from '../hooks/use-contracts'
+import { useQueryAndSortParams } from '../hooks/use-sort-and-query-params'
 import { Contract, listAllContracts } from '../lib/firebase/contracts'
 
 export async function getStaticProps() {
@@ -17,12 +18,17 @@ export async function getStaticProps() {
 
 export default function Markets(props: { contracts: Contract[] }) {
   const contracts = useContracts()
+  const { query, setQuery, sort, setSort } = useQueryAndSortParams()
 
   return (
     <Page>
       {(props.contracts || contracts !== 'loading') && (
         <SearchableGrid
           contracts={contracts === 'loading' ? props.contracts : contracts}
+          query={query}
+          setQuery={setQuery}
+          sort={sort}
+          setSort={setSort}
         />
       )}
     </Page>
diff --git a/web/pages/tag/[tag].tsx b/web/pages/tag/[tag].tsx
index 7f15748a..ae56f1c5 100644
--- a/web/pages/tag/[tag].tsx
+++ b/web/pages/tag/[tag].tsx
@@ -3,6 +3,7 @@ import { SearchableGrid } from '../../components/contracts-list'
 import { Page } from '../../components/page'
 import { Title } from '../../components/title'
 import { useContracts } from '../../hooks/use-contracts'
+import { useQueryAndSortParams } from '../../hooks/use-sort-and-query-params'
 
 export default function TagPage() {
   const router = useRouter()
@@ -18,13 +19,23 @@ export default function TagPage() {
     )
   }
 
+  const { query, setQuery, sort, setSort } = useQueryAndSortParams({
+    defaultSort: 'most-traded',
+  })
+
   return (
     <Page>
       <Title text={`#${tag}`} />
       {contracts === 'loading' ? (
         <></>
       ) : (
-        <SearchableGrid contracts={contracts} />
+        <SearchableGrid
+          contracts={contracts}
+          query={query}
+          setQuery={setQuery}
+          sort={sort}
+          setSort={setSort}
+        />
       )}
     </Page>
   )