What are the key sales KPIs for the Online Grocery and Q-Commerce Delivery industry in 2027?

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Direct Answer

The nine KPIs that actually run an online grocery and Q-commerce delivery business in 2027 are: Orders per Active Customer (annual), Gross Transaction Value (GTV), Take Rate %, Fulfillment Cost per Order, Average Order Value (AOV), Attach Rate (alcohol/Rx/non-grocery), Advertiser Revenue per Order, Cohort Retention M3/M6, and Contribution Margin per Order.

Together they answer whether the marketplace can grow basket frequency faster than fulfillment cost, whether retail-media ad dollars are filling the unit-economics gap, and whether the cohort behind each batch of subsidized acquisition actually sticks.

TL;DR
— Online grocery in the U.S. Crossed $128B in 2025 and is compounding at ~8.9% through 2029 per Brick Meets Click, while Instacart printed $10.3B Q1 2026 GTV with a 7.1% transaction take rate and a 2.8% advertising take rate. The model only works when fulfillment cost per order is under ~$8, AOV is above $110, ad revenue per order clears $3, and Month-6 cohort retention holds above 55%.
Anything outside that envelope means you are subsidizing orders and praying ad-tier monetization grows fast enough to close it.

Why Online Grocery and Q-Commerce Work Differently

Marketplace-vs-1P duality. Instacart and DoorDash operate as third-party marketplaces with retailer take rates of 6–8% on GTV, while Amazon Fresh, Walmart+, Kroger Boost, and FreshDirect run a first-party model where margin lives in the basket itself. The third-party play scales asset-light but needs 2.8%+ of GTV in ad revenue to make order economics work — Instacart hit $286M of ad and other revenue in Q1 2026 on $10.3B GTV, exactly that ratio.

The first-party play needs membership economics — Walmart+ at ~$98/year and Amazon Prime at $139/year both bury the fulfillment cost inside the subscription.

Retail media as the second P&L. The reason Instacart's IPO worked at all was the 84%+ contribution margin on CPG ad spend. By 2026 Instacart counts 9,000+ brand advertisers and 310+ Carrot Ads retailer partners; ad revenue is now ~28% of total revenue and the highest-margin dollar in the building.

Kroger Precision Marketing (Kroger Boost), Walmart Connect, and Amazon Ads each crossed $1B+ in grocery-adjacent CPG ad revenue. The operating implication: every PM should be measured on ad revenue per order, not just GTV.

Q-commerce SLA economics. Gopuff, DoorDash DashMart, and Uber Eats grocery promise delivery in under 30 minutes — Gopuff averages ~15-30 min from its 500+ micro-fulfillment centers. That speed costs roughly $4-6 more per order in labor and dark-store overhead than scheduled 2-hour windows.

The model only pencils when basket size clears $25 and attach rate on high-margin SKUs (alcohol, ready-to-eat, OTC) is above 35%. Below that, the unit loses $2-4 per order before ad revenue.

Cohort decay and subsidy treadmill. Online grocery has a notorious M3 cliff — first-time users who get a $30 promo often never return after the second order. Brick Meets Click's monthly survey shows the median user makes ~9 online grocery trips per year versus 60+ for offline.

The lever is basket attach — getting that user to add Rx, alcohol, pet, or non-grocery items lifts AOV from $85 to $130 and pulls Month-3 retention from 40% to 60%+.

The 9 KPIs, In Depth

1. Orders per Active Customer (annual). The frequency metric that separates winners from churn machines. Instacart's most-engaged Instacart+ members place 25-30 orders per year; the average active user is closer to 9-12. Walmart+ subscribers transact ~16x annually on grocery. Below 8 orders per year per active user, you cannot recoup CAC.

2. Gross Transaction Value (GTV). The headline North Star. Instacart printed $10.29B GTV in Q1 2026, up 13% YoY, on 91M orders. DoorDash grocery GTV is estimated at $6B+ run-rate. Track GTV growth alongside order growth — if GTV is growing faster than orders, AOV is expanding (good); if orders are growing faster, you are discounting (bad).

3. Take Rate %. Transaction revenue divided by GTV on the marketplace side. Instacart's transaction take rate held at 7.1% in Q1 2026 ($733M on $10.3B).

DoorDash grocery take rate runs 12-15% blended with delivery fees. Uber Eats grocery is in a similar 10-14% band. First-party retailers don't report take rate but the implicit margin is the grocery gross margin of 25-28%.

4. Fulfillment Cost per Order. Shopper pay + delivery driver pay + insurance + packaging + dark-store overhead. Instacart's blended cost runs $7-9 per order on a ~$113 AOV.

Gopuff and DoorDash DashMart run higher ($9-11) because of dark-store fixed cost. Amazon Fresh and Walmart+ leverage existing store and DSP infrastructure to push it under $6. Above $10 per order at a sub-$100 AOV, the order loses money.

5. Average Order Value (AOV). Instacart's AOV climbed to $113 in Q1 2026, up 3% YoY. Walmart+ grocery AOV is ~$95. FreshDirect, with its premium positioning in the Northeast, runs $140+. Gopuff Q-commerce baskets are smaller — $25-35 — which is why attach rate matters so much for that model.

6. Attach Rate (alcohol/Rx/non-grocery). Share of orders that include a high-margin add-on category. Instacart reports alcohol attach above 20% in eligible markets and Rx scripts now in 2,000+ pharmacies.

DoorDash alcohol attach is similar after the BevMo and Total Wine integrations. Q-commerce attach to non-grocery (HBA, OTC, baby) is the difference between a $25 basket and a $40 basket — Gopuff's Misfits Market partnership lifted produce attach 20%+ in test markets.

7. Advertiser Revenue per Order. Total CPG ad revenue divided by orders. Instacart is at roughly $3.15 per order ($286M ad revenue / 91M orders Q1 2026).

The best in class push toward $4-5 as sponsored product, display, and off-platform Carrot Ads scale. Walmart Connect's grocery slice is in the same band on a much larger order base. Below $2 per order, ad monetization isn't yet load-bearing.

8. Cohort Retention M3/M6. Percentage of a sign-up cohort still ordering 3 and 6 months later. Healthy Instacart+ cohorts retain 65%+ at M6; non-subscription cohorts decay to 40-45%.

Walmart+ M6 retention runs ~70% on the back of the membership lock-in. Q-commerce cohorts (Gopuff, DashMart) are lower — 35-50% at M6 — because of the impulse-use pattern.

9. Contribution Margin per Order. Take rate revenue + ad revenue per order, minus fulfillment cost, minus payment processing, minus promo. Instacart is the public benchmark at roughly $2-3 of contribution margin per order by 2026, up from negative in 2021.

Q-commerce pure-plays still hover near breakeven on a per-order basis. First-party retailers report it as e-commerce gross margin, which sits in the high single-digit percentages.

flowchart TD A[Active Customer] --> B[Basket Build] B --> C{Attach to Alcohol/Rx/Non-Grocery?} C -->|Yes 35%+| D[AOV $130+] C -->|No| E[AOV $85] D --> F[Order Placed] E --> F F --> G[Take Rate 7-8% of GTV] F --> H[Sponsored Product Impressions] H --> I[Ad Revenue $3+ per Order] G --> J[Transaction Revenue] I --> J J --> K[Minus Fulfillment Cost $7-9] K --> L{Contribution Positive?} L -->|Yes| M[Reinvest in CRM + Promo] L -->|No| N[Subsidy Burn] M --> O[M6 Retention 55-65%] O --> A N --> P[Cohort Decay] P --> Q[Lost Customer]

Real Operators

Instacart (Maplebear, CART) is the public benchmark — 91M Q1 2026 orders, $10.3B GTV, $1.02B revenue, 7.1% take rate, $113 AOV. DoorDash has built grocery into a $6B+ GTV business with 100,000+ stores including ALDI, Sprouts, Safeway, and Wegmans. Walmart+ crossed 30M paid members in 2026 and Walmart owns 31.6% of U.S.

Online grocery share. Amazon Fresh and Whole Foods combined hold ~22.6% online grocery share with Prime as the membership flywheel. Kroger owns ~8.6% of online grocery share and its Boost membership plus Kroger Precision Marketing retail-media arm now exceed $1B+ in CPG ad revenue.

Gopuff runs 500+ micro-fulfillment centers averaging 15-30 minute delivery on a ~$30 AOV. Misfits Market and Imperfect Foods (now combined) push CSA-style subsidized produce nationwide. FreshDirect, owned by Getir until its 2024 exit and now private equity backed, holds the premium Northeast metro share with $140+ AOV.

Uber Eats grocery added Costco, Albertsons, and 7-Eleven and crossed $5B grocery GTV run-rate. Shipt (Target-owned) processes Target.com same-day grocery on a similar marketplace model.

Failure Modes

The four that kill online grocery and Q-commerce businesses. (1) Subsidy treadmill — burning $30 in first-order promo without a Month-3 retention plan, watching 60%+ of cohort churn before profitability. (2) Fulfillment-cost denial — reporting blended unit economics that hide dark-store overhead, then losing $3-5 per Q-commerce order once true allocation is done.

(3) Ad-revenue concentration — booking 80% of ad dollars from 10 CPG brands; one Procter or PepsiCo renegotiation crushes the contribution line. (4) Attach-rate flatness — running a $25 basket with no alcohol, no Rx, no non-grocery, no retail media inventory, then wondering why CAC payback is 18+ months.

Reporting Cadence

Daily: orders, GTV run-rate, fulfillment cost per order, on-time delivery %. Weekly: AOV by retailer banner, attach rate by category, ad revenue per order, batch density (orders per shopper hour). Monthly: cohort retention curves M1/M3/M6, take rate by retailer, contribution margin per order, Instacart+ / Walmart+ membership net adds.

Quarterly: full P&L, retail media commits from top-30 CPGs, dark-store unit economics review, regional GTV decomposition for the earnings call.

flowchart TD A[Daily Ops Stream] --> B[Orders + GTV + Fulfillment $ + SLA] B --> C[Weekly Trading Review] C --> D[AOV by Banner + Attach + Ad $/Order + Batch Density] D --> E[Monthly Business Review] E --> F[Cohort M3/M6 + Take Rate + Contribution + Memberships] F --> G[Quarterly Board + Earnings] G --> H[Full P&L + Retail Media Commits + Dark Store + Regional] H --> I[Re-forecast CAC + Promo + Dark Store Footprint] I --> A

30/60/90 Day Plan

Days 1–30: wire the nine KPIs to a single dashboard. Reconcile order counts between fulfillment, billing, and finance — they will disagree on returned and adjusted orders. Baseline fulfillment cost per order with true labor allocation (shopper pay + driver pay + insurance + packaging + dark-store overhead) instead of blended marketplace fees.

Run a take-rate audit by retailer banner.

Days 31–60: ship the retail-media revenue-per-order dashboard. Wire sponsored-product, display, and off-platform inventory to the GMV ledger and break out advertising revenue per order by category. Identify the bottom-quartile categories by ad fill rate and brief the CPG sales team on activation gaps.

Stand up the attach-rate playbook for alcohol, Rx, pet, and HBA.

Days 61–90: run the cohort-retention intervention. Pick the M3 cohort with the worst decay and ship a basket-attach onboarding flow — Instacart+ / Walmart+ trial offer, alcohol activation, Rx transfer, top-up reminders. Re-forecast contribution margin per order under three scenarios: ad revenue at $3, $4, $5 per order.

Present the new model to the CFO and lock the FY plan to the retail-media revenue ramp.

FAQ

Is GTV or revenue the right North Star for marketplaces? GTV for growth narrative, revenue for monetization quality. Track both and watch the spread — if revenue grows faster than GTV, take rate is expanding. If GTV grows faster than revenue, you are growing volume by discounting take rate to lock retailer relationships.

How do you compare Q-commerce to scheduled grocery delivery? Different unit economics, same KPIs with different thresholds. Q-commerce needs smaller AOV (~$30) compensated by higher attach to high-margin SKUs and dark-store labor leverage. Scheduled delivery (Instacart, Walmart+) targets $100+ AOV with shopper-as-contractor labor.

What's a healthy contribution margin per order? $2-3 is healthy at Instacart-style marketplace scale, $3-5 is excellent. Q-commerce pure-plays are still pushing toward $1+ as dark-store density improves. Anything negative after 3 years of operation usually means the model needs structural change.

How much should retail-media revenue contribute? By 2026 the answer is 25%+ of total revenue and ~2.8% of GTV. Instacart and Kroger Precision Marketing are the public proof points. Anything under 1% of GTV in retail media in 2027 is leaving the highest-margin dollar in the building on the table.

Sources

Instacart (Maplebear Inc.) — Form 10-K (FY 2025)
Instacart Q1 2026 Earnings Release and Shareholder Letter
Brick Meets Click / Mercatus — U.S. EGrocery Monthly Sales Report
Coresight Research — U.S. Online Grocery Survey and Tracker
EMarketer (Insider Intelligence) — Digital Grocery Forecast and Retail Media Reports
DoorDash Inc. — Form 10-K and Quarterly Shareholder Letters
The Kroger Co. — Form 10-K and Kroger Precision Marketing disclosures
Walmart Inc. — Form 10-K (Walmart+ membership disclosures)
Progressive Grocer — Online Grocery and Retail Media Coverage
Grocery Dive — Q-Commerce, Gopuff, and Misfits Market Coverage

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### Direct Answer

The nine KPIs that actually run an online grocery and Q-commerce delivery business in 2027 are: **Orders per Active Customer (annual)**, **Gross Transaction Value (GTV)**, **Take Rate %**, **Fulfillment Cost per Order**, **Average Order Value (AOV)**, **Attach Rate (alcohol/Rx/non-grocery)**, **Advertiser Revenue per Order**, **Cohort Retention M3/M6**, and **Contribution Margin per Order**. Together they answer whether the marketplace can grow basket frequency faster than fulfillment cost, whether retail-media ad dollars are filling the unit-economics gap, and whether the cohort behind each batch of subsidized acquisition actually sticks.

> **TL;DR** — Online grocery in the U.S. Crossed $128B in 2025 and is compounding at ~8.9% through 2029 per Brick Meets Click, while Instacart printed $10.3B Q1 2026 GTV with a 7.1% transaction take rate and a 2.8% advertising take rate. The model only works when fulfillment cost per order is under ~$8, AOV is above $110, ad revenue per order clears $3, and Month-6 cohort retention holds above 55%. Anything outside that envelope means you are subsidizing orders and praying ad-tier monetization grows fast enough to close it.

## Why Online Grocery and Q-Commerce Work Differently

**Marketplace-vs-1P duality.** Instacart and DoorDash operate as third-party marketplaces with retailer take rates of 6–8% on GTV, while Amazon Fresh, Walmart+, Kroger Boost, and FreshDirect run a first-party model where margin lives in the basket itself. The third-party play scales asset-light but needs **2.8%+ of GTV in ad revenue** to make order economics work — Instacart hit $286M of ad and other revenue in Q1 2026 on $10.3B GTV, exactly that ratio. The first-party play needs membership economics — Walmart+ at ~$98/year and Amazon Prime at $139/year both bury the fulfillment cost inside the subscription.

**Retail media as the second P&L.** The reason Instacart's IPO worked at all was the 84%+ contribution margin on CPG ad spend. By 2026 Instacart counts **9,000+ brand advertisers** and 310+ Carrot Ads retailer partners; ad revenue is now ~28% of total revenue and the highest-margin dollar in the building. Kroger Precision Marketing (Kroger Boost), Walmart Connect, and Amazon Ads each crossed $1B+ in grocery-adjacent CPG ad revenue. The operating implication: every PM should be measured on **ad revenue per order**, not just GTV.

**Q-commerce SLA economics.** Gopuff, DoorDash DashMart, and Uber Eats grocery promise delivery in **under 30 minutes** — Gopuff averages ~15-30 min from its 500+ micro-fulfillment centers. That speed costs roughly $4-6 more per order in labor and dark-store overhead than scheduled 2-hour windows. The model only pencils when basket size clears $25 and attach rate on high-margin SKUs (alcohol, ready-to-eat, OTC) is above 35%. Below that, the unit loses $2-4 per order before ad revenue.

**Cohort decay and subsidy treadmill.** Online grocery has a notorious M3 cliff — first-time users who get a $30 promo often never return after the second order. Brick Meets Click's monthly survey shows the median user makes ~9 online grocery trips per year versus 60+ for offline. The lever is **basket attach** — getting that user to add Rx, alcohol, pet, or non-grocery items lifts AOV from $85 to $130 and pulls Month-3 retention from 40% to 60%+.

## The 9 KPIs, In Depth

**1. Orders per Active Customer (annual).** The frequency metric that separates winners from churn machines. Instacart's most-engaged Instacart+ members place 25-30 orders per year; the average active user is closer to 9-12. Walmart+ subscribers transact ~16x annually on grocery. Below 8 orders per year per active user, you cannot recoup CAC.

**2. Gross Transaction Value (GTV).** The headline North Star. Instacart printed **$10.29B GTV in Q1 2026**, up 13% YoY, on 91M orders. DoorDash grocery GTV is estimated at $6B+ run-rate. Track GTV growth alongside order growth — if GTV is growing faster than orders, AOV is expanding (good); if orders are growing faster, you are discounting (bad).

**3. Take Rate %.** Transaction revenue divided by GTV on the marketplace side. Instacart's transaction take rate held at **7.1% in Q1 2026** ($733M on $10.3B). DoorDash grocery take rate runs 12-15% blended with delivery fees. Uber Eats grocery is in a similar 10-14% band. First-party retailers don't report take rate but the implicit margin is the grocery gross margin of 25-28%.

**4. Fulfillment Cost per Order.** Shopper pay + delivery driver pay + insurance + packaging + dark-store overhead. Instacart's blended cost runs $7-9 per order on a ~$113 AOV. Gopuff and DoorDash DashMart run higher ($9-11) because of dark-store fixed cost. Amazon Fresh and Walmart+ leverage existing store and DSP infrastructure to push it under $6. Above $10 per order at a sub-$100 AOV, the order loses money.

**5. Average Order Value (AOV).** Instacart's AOV climbed to **$113 in Q1 2026, up 3% YoY**. Walmart+ grocery AOV is ~$95. FreshDirect, with its premium positioning in the Northeast, runs $140+. Gopuff Q-commerce baskets are smaller — $25-35 — which is why attach rate matters so much for that model.

**6. Attach Rate (alcohol/Rx/non-grocery).** Share of orders that include a high-margin add-on category. Instacart reports alcohol attach above 20% in eligible markets and Rx scripts now in 2,000+ pharmacies. DoorDash alcohol attach is similar after the BevMo and Total Wine integrations. Q-commerce attach to non-grocery (HBA, OTC, baby) is the difference between a $25 basket and a $40 basket — Gopuff's Misfits Market partnership lifted produce attach 20%+ in test markets.

**7. Advertiser Revenue per Order.** Total CPG ad revenue divided by orders. Instacart is at roughly **$3.15 per order** ($286M ad revenue / 91M orders Q1 2026). The best in class push toward $4-5 as sponsored product, display, and off-platform Carrot Ads scale. Walmart Connect's grocery slice is in the same band on a much larger order base. Below $2 per order, ad monetization isn't yet load-bearing.

**8. Cohort Retention M3/M6.** Percentage of a sign-up cohort still ordering 3 and 6 months later. Healthy Instacart+ cohorts retain 65%+ at M6; non-subscription cohorts decay to 40-45%. Walmart+ M6 retention runs ~70% on the back of the membership lock-in. Q-commerce cohorts (Gopuff, DashMart) are lower — 35-50% at M6 — because of the impulse-use pattern.

**9. Contribution Margin per Order.** Take rate revenue + ad revenue per order, minus fulfillment cost, minus payment processing, minus promo. Instacart is the public benchmark at roughly **$2-3 of contribution margin per order** by 2026, up from negative in 2021. Q-commerce pure-plays still hover near breakeven on a per-order basis. First-party retailers report it as e-commerce gross margin, which sits in the high single-digit percentages.

```mermaid
flowchart TD
    A[Active Customer] --> B[Basket Build]
    B --> C{Attach to Alcohol/Rx/Non-Grocery?}
    C -->|Yes 35%+| D[AOV $130+]
    C -->|No| E[AOV $85]
    D --> F[Order Placed]
    E --> F
    F --> G[Take Rate 7-8% of GTV]
    F --> H[Sponsored Product Impressions]
    H --> I[Ad Revenue $3+ per Order]
    G --> J[Transaction Revenue]
    I --> J
    J --> K[Minus Fulfillment Cost $7-9]
    K --> L{Contribution Positive?}
    L -->|Yes| M[Reinvest in CRM + Promo]
    L -->|No| N[Subsidy Burn]
    M --> O[M6 Retention 55-65%]
    O --> A
    N --> P[Cohort Decay]
    P --> Q[Lost Customer]
```

## Real Operators

**Instacart (Maplebear, CART)** is the public benchmark — 91M Q1 2026 orders, $10.3B GTV, $1.02B revenue, 7.1% take rate, $113 AOV. **DoorDash** has built grocery into a $6B+ GTV business with 100,000+ stores including ALDI, Sprouts, Safeway, and Wegmans. **Walmart+** crossed **30M paid members in 2026** and Walmart owns 31.6% of U.S. Online grocery share. **Amazon Fresh and Whole Foods** combined hold ~22.6% online grocery share with Prime as the membership flywheel. **Kroger** owns ~8.6% of online grocery share and its Boost membership plus Kroger Precision Marketing retail-media arm now exceed $1B+ in CPG ad revenue. **Gopuff** runs 500+ micro-fulfillment centers averaging 15-30 minute delivery on a ~$30 AOV. **Misfits Market and Imperfect Foods** (now combined) push CSA-style subsidized produce nationwide. **FreshDirect**, owned by Getir until its 2024 exit and now private equity backed, holds the premium Northeast metro share with $140+ AOV. **Uber Eats grocery** added Costco, Albertsons, and 7-Eleven and crossed $5B grocery GTV run-rate. **Shipt** (Target-owned) processes Target.com same-day grocery on a similar marketplace model.

## Failure Modes

The four that kill online grocery and Q-commerce businesses. **(1) Subsidy treadmill** — burning $30 in first-order promo without a Month-3 retention plan, watching 60%+ of cohort churn before profitability. **(2) Fulfillment-cost denial** — reporting blended unit economics that hide dark-store overhead, then losing $3-5 per Q-commerce order once true allocation is done. **(3) Ad-revenue concentration** — booking 80% of ad dollars from 10 CPG brands; one Procter or PepsiCo renegotiation crushes the contribution line. **(4) Attach-rate flatness** — running a $25 basket with no alcohol, no Rx, no non-grocery, no retail media inventory, then wondering why CAC payback is 18+ months.

## Reporting Cadence

**Daily:** orders, GTV run-rate, fulfillment cost per order, on-time delivery %. **Weekly:** AOV by retailer banner, attach rate by category, ad revenue per order, batch density (orders per shopper hour). **Monthly:** cohort retention curves M1/M3/M6, take rate by retailer, contribution margin per order, Instacart+ / Walmart+ membership net adds. **Quarterly:** full P&L, retail media commits from top-30 CPGs, dark-store unit economics review, regional GTV decomposition for the earnings call.

```mermaid
flowchart TD
    A[Daily Ops Stream] --> B[Orders + GTV + Fulfillment $ + SLA]
    B --> C[Weekly Trading Review]
    C --> D[AOV by Banner + Attach + Ad $/Order + Batch Density]
    D --> E[Monthly Business Review]
    E --> F[Cohort M3/M6 + Take Rate + Contribution + Memberships]
    F --> G[Quarterly Board + Earnings]
    G --> H[Full P&L + Retail Media Commits + Dark Store + Regional]
    H --> I[Re-forecast CAC + Promo + Dark Store Footprint]
    I --> A
```

## 30/60/90 Day Plan

**Days 1–30:** wire the nine KPIs to a single dashboard. Reconcile order counts between fulfillment, billing, and finance — they will disagree on returned and adjusted orders. Baseline fulfillment cost per order with true labor allocation (shopper pay + driver pay + insurance + packaging + dark-store overhead) instead of blended marketplace fees. Run a take-rate audit by retailer banner.

**Days 31–60:** ship the retail-media revenue-per-order dashboard. Wire sponsored-product, display, and off-platform inventory to the GMV ledger and break out advertising revenue per order by category. Identify the bottom-quartile categories by ad fill rate and brief the CPG sales team on activation gaps. Stand up the attach-rate playbook for alcohol, Rx, pet, and HBA.

**Days 61–90:** run the cohort-retention intervention. Pick the M3 cohort with the worst decay and ship a basket-attach onboarding flow — Instacart+ / Walmart+ trial offer, alcohol activation, Rx transfer, top-up reminders. Re-forecast contribution margin per order under three scenarios: ad revenue at $3, $4, $5 per order. Present the new model to the CFO and lock the FY plan to the retail-media revenue ramp.

## FAQ

**Is GTV or revenue the right North Star for marketplaces?** GTV for growth narrative, revenue for monetization quality. Track both and watch the spread — if revenue grows faster than GTV, take rate is expanding. If GTV grows faster than revenue, you are growing volume by discounting take rate to lock retailer relationships.

**How do you compare Q-commerce to scheduled grocery delivery?** Different unit economics, same KPIs with different thresholds. Q-commerce needs smaller AOV (~$30) compensated by higher attach to high-margin SKUs and dark-store labor leverage. Scheduled delivery (Instacart, Walmart+) targets $100+ AOV with shopper-as-contractor labor.

**What's a healthy contribution margin per order?** $2-3 is healthy at Instacart-style marketplace scale, $3-5 is excellent. Q-commerce pure-plays are still pushing toward $1+ as dark-store density improves. Anything negative after 3 years of operation usually means the model needs structural change.

**How much should retail-media revenue contribute?** By 2026 the answer is 25%+ of total revenue and ~2.8% of GTV. Instacart and Kroger Precision Marketing are the public proof points. Anything under 1% of GTV in retail media in 2027 is leaving the highest-margin dollar in the building on the table.

## Sources

- Instacart (Maplebear Inc.) — Form 10-K (FY 2025)
- Instacart Q1 2026 Earnings Release and Shareholder Letter
- Brick Meets Click / Mercatus — U.S. EGrocery Monthly Sales Report
- Coresight Research — U.S. Online Grocery Survey and Tracker
- EMarketer (Insider Intelligence) — Digital Grocery Forecast and Retail Media Reports
- DoorDash Inc. — Form 10-K and Quarterly Shareholder Letters
- The Kroger Co. — Form 10-K and Kroger Precision Marketing disclosures
- Walmart Inc. — Form 10-K (Walmart+ membership disclosures)
- Progressive Grocer — Online Grocery and Retail Media Coverage
- Grocery Dive — Q-Commerce, Gopuff, and Misfits Market Coverage

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