MarginStack

1 USD = ₹96.78 · 2026-10-08

Aurora Skin Co

What to fix today

Store USDSample data

Every figure below belongs to a fictional store. Nothing here is a live merchant account.

Fix todayas of 2026-08-10

Investigate CAC spike

CAC rose sharply vs the prior period - check creative fatigue and audience overlap.

See alerts

Contribution margin (CM2) dropped 24% versus the prior period because return rate rose and ad costs increased.

Health score

64/100

Watch
  • CM2 margin slipped vs prior period
Numbers as of 2026-08-10
CM2 trend
20
CAC
70
Returns
95
COGS data
100
CM2 (14d)
$1,675₹1,62,096

14.2% of net revenue

What's left after product costs, shipping, fees and ad spend.

Blended CAC
$50.40₹4,878.05

Target $45.00 · ₹4,355.10

Average ad spend to win one new customer.

LTV (est.)
$181₹17,496

LTV:CAC 3.6x

Margin one customer is expected to produce over time.

Payback
8d

Repeat rate 83.9%

Days for a customer to earn back what they cost to acquire.

P&L to contribution margin

CM1 66.1% · CM2 14.2%

Line
Amount
Gross revenue
$12,656₹12,24,848
Discounts
-$304-₹29,460
Refunds
-$583-₹56,423
Net revenue
$11,769₹11,38,965
Variable costs
-$3,995-₹3,86,625
CM1
$7,774₹7,52,340
Ad spend
-$6,099-₹5,90,244
CM2
$1,675₹1,62,096

Daily contribution margin

What changed

Movements of 8% or more against the previous 14 days.

Contribution margin (CM2)
$1,675 · ₹1,62,096 from $2,201 · ₹2,12,993
23.9%
Ad spend
$6,099 · ₹5,90,244 from $5,105 · ₹4,94,086
19.5%
Blended CAC
$50 · ₹4,878 from $43 · ₹4,152
17.5%
Return rate
4.6% from 3.9%
19.5%

Also worth doing

Lower priority than today's focus, but still worth your time.

P2
Scale back meta until CM2 recovers

meta is CM2-negative after ads. Shift budget to channels with positive CM2.

Open economics

These are the same panels you get on your own Shopify data, on day one.

We’ll email your unique code. 50% off month one when we go live.