diff --git a/frontend/src/stores/crypto.test.ts b/frontend/src/stores/crypto.test.ts
index 5799191..ae0d7f9 100644
--- a/frontend/src/stores/crypto.test.ts
+++ b/frontend/src/stores/crypto.test.ts
@@ -105,6 +105,50 @@ describe('crypto store', () => {
     expect(crypto.pendingQuote).toBeNull()
   })
 
+  it('applies a browser preview tick without replacing account state', async () => {
+    const crypto = useCryptoStore()
+    crypto.data = {
+      ...bootstrap,
+      cashBalance: '100.00',
+      holdings: [
+        {
+          assetId: 'aurora',
+          averagePrice: '100.00',
+          quantity: '2.000000',
+          value: '200.00',
+        },
+      ],
+      markets: [
+        {
+          changePercent: 0,
+          color: '#25d9ad',
+          enabled: true,
+          high24h: '100.00',
+          id: 'aurora',
+          issuedSupply: '1000000.000000',
+          logo: '◈',
+          low24h: '100.00',
+          name: 'Aurora',
+          price: '100.00',
+          sparkline: [0, 1],
+          symbol: 'AUR',
+          treasuryAvailable: '850000.000000',
+        },
+      ],
+      portfolioValue: '300.00',
+    }
+    mockNuiCall.mockResolvedValueOnce({
+      data: [{ ...crypto.data.markets[0], price: '101.25' }],
+      success: true,
+    })
+
+    expect(await crypto.previewMarketTick()).toBe(true)
+    expect(mockNuiCall).toHaveBeenCalledWith('crypto:market-tick', {})
+    expect(crypto.data.holdings[0].value).toBe('202.50')
+    expect(crypto.data.portfolioValue).toBe('302.50')
+    expect(crypto.data.cashBalance).toBe('100.00')
+  })
+
   it('sends only market, side and quantity when requesting a quote', async () => {
     mockNuiCall.mockResolvedValueOnce({ data: quote, success: true })
     const crypto = useCryptoStore()
diff --git a/frontend/src/stores/crypto.ts b/frontend/src/stores/crypto.ts
index ec1e5e8..c7648eb 100644
--- a/frontend/src/stores/crypto.ts
+++ b/frontend/src/stores/crypto.ts
@@ -54,6 +54,12 @@ export const useCryptoStore = defineStore('crypto', {
         this.pendingQuote = null
       }
     },
+    async previewMarketTick(): Promise<boolean> {
+      const response = await nuiCall<CryptoMarket[]>('crypto:market-tick', {})
+      if (!response.success || !response.data) return false
+      this.applyMarketUpdate(response.data)
+      return true
+    },
     async call<T>(endpoint: string, payload: Record<string, unknown> = {}) {
       this.isLoading = true
       this.error = ''
diff --git a/frontend/src/views/apps/CryptoApp.contract.test.ts b/frontend/src/views/apps/CryptoApp.contract.test.ts
index 3c811d6..955f8b7 100644
--- a/frontend/src/views/apps/CryptoApp.contract.test.ts
+++ b/frontend/src/views/apps/CryptoApp.contract.test.ts
@@ -230,6 +230,7 @@ describe('VaultX crypto app contracts', () => {
   it('streams server-driven market movement into live portfolio values', () => {
     expect(config).toContain('PriceTickMinimumSeconds')
     expect(config).toContain('MarketsPerTickMaximum')
+    expect(config).toContain('TickMovementDivisor')
     expect(config).toContain('MarketShockChanceBasisPoints')
     expect(server).toContain('local market_dynamics = {}')
     expect(server).toContain('global_market_trend')
diff --git a/frontend/src/views/apps/CryptoApp.vue b/frontend/src/views/apps/CryptoApp.vue
index a634589..b5d463b 100644
--- a/frontend/src/views/apps/CryptoApp.vue
+++ b/frontend/src/views/apps/CryptoApp.vue
@@ -24,7 +24,7 @@ import {
   WalletCards,
   X,
 } from 'lucide-vue-next'
-import { computed, onMounted, ref, watch } from 'vue'
+import { computed, onMounted, onUnmounted, ref, watch } from 'vue'
 import cryptoHeaderLogo from '@/assets/img/app-icons/crypto-header-logo.png'
 import CryptoLogo from '@/components/crypto/CryptoLogo.vue'
 import { useCryptoStore } from '@/stores/crypto'
@@ -86,6 +86,7 @@ const CHART_PERIOD_CONFIG: Record<
 const crypto = useCryptoStore()
 const easyShare = useEasyShareStore()
 const phone = usePhoneStore()
+let marketPreviewTimer: number | undefined
 const tab = ref<Tab>('portfolio')
 const authMode = ref<'login' | 'register'>('login')
 const activityFilter = ref<'all' | 'trades' | 'wallet'>('all')
@@ -348,11 +349,14 @@ function t(key: string) {
   return phone.t(`Apps.crypto.${key}`)
 }
 function money(value: string | number) {
+  const numericValue = Number(value) || 0
+  const absolute = Math.abs(numericValue)
   return new Intl.NumberFormat(locale.value, {
     currency: 'USD',
-    maximumFractionDigits: 2,
+    maximumFractionDigits: absolute > 0 && absolute < 1 ? 4 : 2,
+    minimumFractionDigits: 2,
     style: 'currency',
-  }).format(Number(value) || 0)
+  }).format(numericValue)
 }
 function signedMoney(value: number) {
   const formatted = money(Math.abs(value))
@@ -666,7 +670,23 @@ watch(markets, (value) => {
       value.find((market) => market.id === selectedMarket.value?.id) ?? null
   }
 })
-onMounted(() => void crypto.load())
+function scheduleDevelopmentMarketTick() {
+  if (!import.meta.env.DEV) return
+  marketPreviewTimer = window.setTimeout(
+    async () => {
+      await crypto.previewMarketTick()
+      scheduleDevelopmentMarketTick()
+    },
+    1600 + Math.random() * 1800,
+  )
+}
+onMounted(async () => {
+  await crypto.load()
+  scheduleDevelopmentMarketTick()
+})
+onUnmounted(() => {
+  if (marketPreviewTimer !== undefined) window.clearTimeout(marketPreviewTimer)
+})
 </script>
 
 <template>
diff --git a/frontend/testserver/index.cjs b/frontend/testserver/index.cjs
index f6dd337..2991f77 100644
--- a/frontend/testserver/index.cjs
+++ b/frontend/testserver/index.cjs
@@ -496,6 +496,55 @@ const cryptoMarkets = [
     supply: 1200000000,
   }),
 ]
+function advanceCryptoMarkets() {
+  const updatedAt = Date.now()
+  for (const market of cryptoMarkets) {
+    const currentPrice = Number(market.price)
+    const fractionDigits = currentPrice < 1 ? 4 : 2
+    const minimumStep = 10 ** -fractionDigits
+    const volatility =
+      currentPrice >= 100_000
+        ? 0.00018
+        : currentPrice >= 100
+          ? 0.00055
+          : currentPrice >= 1
+            ? 0.0012
+            : 0.004
+    const direction = Math.random() < 0.49 ? -1 : 1
+    const movement = direction * volatility * (0.25 + Math.random() * 0.75)
+    let nextPrice = Number(
+      Math.max(minimumStep, currentPrice * (1 + movement)).toFixed(
+        fractionDigits,
+      ),
+    )
+    if (nextPrice === currentPrice) {
+      nextPrice = Math.max(minimumStep, currentPrice + direction * minimumStep)
+    }
+
+    const formattedPrice = nextPrice.toFixed(fractionDigits)
+    const priceHistory = [...(market.priceHistory ?? []), formattedPrice].slice(
+      -48,
+    )
+    const numericHistory = priceHistory.map(Number)
+    const minimum = Math.min(...numericHistory)
+    const maximum = Math.max(...numericHistory)
+    const span = Math.max(minimumStep, maximum - minimum)
+
+    market.changePercent =
+      ((nextPrice - numericHistory[0]) / numericHistory[0]) * 100
+    market.high24h = Math.max(Number(market.high24h), nextPrice).toFixed(
+      fractionDigits,
+    )
+    market.low24h = Math.min(Number(market.low24h), nextPrice).toFixed(
+      fractionDigits,
+    )
+    market.price = formattedPrice
+    market.priceHistory = priceHistory
+    market.sparkline = numericHistory.map((price) => (price - minimum) / span)
+    market.updatedAt = updatedAt
+  }
+  return cryptoMarkets
+}
 let cryptoProfile = {
   createdAt: Date.now() - 42 * 86400000,
   handle: 'skyline',
@@ -6809,22 +6858,33 @@ app.post('/api/:endpoint', (request, response) => {
     playerName: 'Alex Morgan',
     transactions: mockBankTransactions,
   })
-  const cryptoOverview = () => ({
-    activity: cryptoActivity,
-    authenticated: cryptoAuthenticated,
-    cashBalance: String(cryptoCashBalance),
-    holdings: cryptoHoldings,
-    markets: cryptoMarkets,
-    portfolioValue: String(
-      cryptoCashBalance +
-        cryptoHoldings.reduce(
-          (total, holding) => total + Number(holding.value),
-          0,
+  const cryptoOverview = () => {
+    const currentHoldings = cryptoHoldings.map((holding) => {
+      const market = cryptoMarkets.find((item) => item.id === holding.assetId)
+      return {
+        ...holding,
+        value: (Number(holding.quantity) * Number(market?.price ?? 0)).toFixed(
+          2,
         ),
-    ),
-    profile: cryptoAuthenticated ? cryptoProfile : null,
-    registered: true,
-  })
+      }
+    })
+    return {
+      activity: cryptoActivity,
+      authenticated: cryptoAuthenticated,
+      cashBalance: String(cryptoCashBalance),
+      holdings: currentHoldings,
+      markets: cryptoMarkets,
+      portfolioValue: String(
+        cryptoCashBalance +
+          currentHoldings.reduce(
+            (total, holding) => total + Number(holding.value),
+            0,
+          ),
+      ),
+      profile: cryptoAuthenticated ? cryptoProfile : null,
+      registered: true,
+    }
+  }
   const billingInvoice = (invoice) => ({
     ...invoice,
     canDispute: invoice.direction === 'inbox' && invoice.status === 'open',
@@ -8300,6 +8360,10 @@ app.post('/api/:endpoint', (request, response) => {
     response.json({ success: true, data: cryptoOverview() })
     return
   }
+  if (endpoint === 'crypto:market-tick') {
+    response.json({ success: true, data: advanceCryptoMarkets() })
+    return
+  }
   if (endpoint === 'crypto:login') {
     if (request.body.password !== cryptoPassword) {
       response.json({ success: false, error: 'invalid_credentials' })
diff --git a/frontend/testserver/smoke.cjs b/frontend/testserver/smoke.cjs
index edd4571..c12a404 100644
--- a/frontend/testserver/smoke.cjs
+++ b/frontend/testserver/smoke.cjs
@@ -8,6 +8,7 @@ const browserDataRequests = [
   ['account:devices', {}],
   ['banking:overview', {}],
   ['crypto:bootstrap', {}],
+  ['crypto:market-tick', {}],
   ['crypto:recipient', { walletKey: 'VX-DEAD-BEEF-C0DE-2026' }],
   ['crypto:quote', { marketId: 'aurora', quantity: '1', side: 'buy' }],
   ['health:overview', {}],
@@ -136,6 +137,15 @@ function verifyBrowserTestData(dataByEndpoint) {
   assert(
     Math.min(...crypto.markets.map((market) => Number(market.price))) <= 0.01,
   )
+  const cryptoTick = dataByEndpoint.get('crypto:market-tick')
+  expectItems(cryptoTick, 'live crypto market tick', 24)
+  assert(
+    cryptoTick.every(
+      (market) =>
+        typeof market.updatedAt === 'number' &&
+        market.priceHistory.at(-1) === market.price,
+    ),
+  )
   expectItems(
     dataByEndpoint.get('billing:list').invoices,
     'billing invoices',
diff --git a/sky_phone/config/config.lua b/sky_phone/config/config.lua
index 30ea8a8..5ce67ee 100644
--- a/sky_phone/config/config.lua
+++ b/sky_phone/config/config.lua
@@ -655,10 +655,11 @@ Config.Crypto = {
     AssetScale = 1000000,
     PriceScale = 100,
     QuoteLifetimeSeconds = 8,
-    PriceTickMinimumSeconds = 18,
-    PriceTickMaximumSeconds = 42,
-    MarketsPerTickMinimum = 4,
-    MarketsPerTickMaximum = 8,
+    PriceTickMinimumSeconds = 4,
+    PriceTickMaximumSeconds = 8,
+    MarketsPerTickMinimum = 6,
+    MarketsPerTickMaximum = 10,
+    TickMovementDivisor = 8,
     MomentumDecayBasisPoints = 6500,
     MomentumImpulseBasisPoints = 3500,
     MeanReversionBasisPoints = 80,
diff --git a/sky_phone/source/server/crypto.lua b/sky_phone/source/server/crypto.lua
index 44bfbe1..c1aaf0f 100644
--- a/sky_phone/source/server/crypto.lua
+++ b/sky_phone/source/server/crypto.lua
@@ -1482,6 +1482,11 @@ CreateThread(function()
                         * Config.Crypto.MaximumMovementMultiplier
                     local movement = impulse + dynamics.momentum + global_market_trend + reversion + shock
                     movement = math.max(-maximum_movement, math.min(maximum_movement, movement))
+                    if movement > 0 then
+                        movement = math.floor(movement / Config.Crypto.TickMovementDivisor)
+                    elseif movement < 0 then
+                        movement = math.ceil(movement / Config.Crypto.TickMovementDivisor)
+                    end
                     local next_price = math.floor(price * (10000 + movement) / 10000)
                     if next_price == price and movement ~= 0 then
                         next_price = price + (movement > 0 and 1 or -1)