Short Answer

The model sees Instacart's Q3 2026 gross transaction value exceeding $10.3 billion at 85.0% probability, compared to the market's 71.0%. This divergence stems from Instacart's official guidance establishing $10.30 billion as the lower bound, reinforced by Q2 2026 GTV already at $10.351 billion.

1. Market Behavior & Drivers

This market's price action is defined by a single, sharp movement on August 11, 2026. The contract opened at a probability of 1.0% before spiking 70 percentage points to 71.0% on the same day, where it has since remained. This price of 71.0% is the only significant level established in the market. The abrupt, one-time repricing suggests the market is reacting to a specific piece of fundamental information rather than evolving sentiment.

The price spike directly corresponds with Instacart's Q3 2026 guidance. The company issued a Gross Transaction Value (GTV) forecast in a range of $10.30 billion to $10.55 billion. Since this market resolves based on whether GTV meets or exceeds $10.30 billion, the company's own forecast places the low end of its expected outcome at the contract's resolution threshold. The jump to 71.0% reflects the market pricing in this official corporate guidance, which implies a high likelihood of the condition being met.

Total traded volume is zero contracts. This indicates an extremely illiquid market where the current price has not been established through active buying and selling. The price likely reflects an initial quote based on the available public information. While the 71.0% level indicates that sentiment is aligned with company guidance, the absence of volume suggests there is no capital-weighted conviction behind this price, and it has not been tested by adversarial trading.

Q3 GTV is likely to exceed $10.30 billion given the company's official guidance.
The market for "Above $10.35 billion" is supported by Q2 2026 actual GTV of $10.351 billion.
Instacart's shifted guidance policy suggests Q3 GTV will land within the $10.30-$10.55 billion range.

Who Wins and Why

Outcome	Market	Model	Why
Above $10.4 billion	79.0%	70.0%	Market higher by 9.0pp
Above $10.65 billion	3.0%	2.0%	Market higher by 1.0pp
Above $10.45 billion	56.0%	20.0%	Market higher by 36.0pp
Above $10.35 billion	85.0%	80.0%	Market higher by 5.0pp
Above $10.3 billion	96.0%	85.0%	Market higher by 11.0pp

Current Context

Instacart has not yet reported Q3 2026 actuals, as the quarter concludes September 30, 2026 ^[1]^[2]^[3]. For Q3 2026, Instacart projects Gross Transaction Value (GTV) in a range of $10.30 billion to $10.55 billion ^[1]^[4]^[2]^[3]. The midpoint of this guidance is $10.425 billion, representing 14% year-over-year growth ^[1]^[4]^[2]^[3].

In the preceding Q2 2026, Instacart reported actual GTV of $10.351 billion, which ended June 30, 2026 ^[1]^[5]^[2]. This figure reflected a 14% increase year-over-year ^[1]^[5]^[2]. Instacart has updated its guidance policy beginning in Q3 2026, widening both GTV and Adjusted EBITDA ranges ^[1]^[2]^[3]. This adjustment aims for actual results to land within the stated ranges, rather than consistently surpassing the high end, as seen in prior quarters ^[1]^[2]^[3].

Sources (5)

2. Price Chart

Historical Price (Probability)

Outcome probability

Date

3. Significant Price Movements

Notable price changes detected in the chart, along with research into what caused each movement.

📈 August 11, 2026: 74.0pp spike

Price increased from 1.0% to 75.0%

Outcome: Above $10.4 billion

What happened: The provided research does not support the occurrence of a "74.0 percentage point spike" in the Instacart gross transaction value prediction market on August 11, 2026, nor does it identify any associated social media activity or other drivers ^[1]^[2]. While Instacart did announce its Q2 2026 financial results, which included Q3 2026 GTV guidance between $10.30 billion and $10.55 billion, this information is not linked to such a significant and specific price movement in the available data ^[3]^[4]^[5]^[6]. Consequently, social media activity appears to be irrelevant to the described event, as the event itself lacks corroboration in the provided sources ^[1]^[2].

Sources (6)

4. Market Data

Contract Snapshot

A 'YES' resolution for this market is triggered if Instacart's gross transaction value (GTV) in Q3 exceeds the specified threshold for the market. A 'NO' resolution occurs if Instacart's Q3 GTV is at or below that threshold. The market for trading ends on November 4th at 4:00 PM EST, and no special settlement conditions are detailed within the provided information.

Available Contracts

Market options and current pricing

Outcome bucket	Yes (price)	No (price)	Last trade probability
Above $10.3 billion	$0.96	$0.05	96%
Above $10.35 billion	$0.86	$0.15	85%
Above $10.4 billion	$0.79	$0.22	79%
Above $10.45 billion	$0.54	$0.47	56%
Above $10.5 billion	$0.38	$0.63	33%
Above $10.55 billion	$0.25	$0.76	22%
Above $10.6 billion	$0.14	$0.93	7%
Above $10.65 billion	$0.11	$0.97	3%
Above $10.7 billion	$0.03	$0.98	2%

Market Discussion

Instacart (Maplebear Inc.) announced Q3 2026 Gross Transaction Value (GTV) guidance between $10.30 billion and $10.55 billion, with a midpoint of $10.425 billion reflecting 14% year-over-year growth, as the company aims to perform within provided ranges rather than a 'beat and raise' approach ^[1]^[2]^[3]^[4]. Following the Q2 2026 earnings release on August 6, 2026, market reactions were positive, with shares rising due to stronger-than-expected results and a Q3 outlook exceeding analyst consensus; however, there is no evidence of active prediction market trading specifically for Instacart's quarterly GTV metrics ^[5]^[6]^[7]^[8]^[9]^[10].

Sources (10)

5. Trust Index

Company-reported metric: finance and investor relations know the number before the earnings release

Integrity risk· Information exposure

How it adds up

Integrity80% of score72Good

Info fairness is low (40), but Integrity averages all three scores, so the other two pull it up. Only a critically low score would cap the total.

Trade quality20% of score58Caution

Includes the cost to trade: a $10,000 order loses under 1% of the price to slippage.

Trust score69Caution

Weighted blend with hard caps — a critically weak safety pillar, or a severe trading anomaly, caps the total regardless of the rest. Full methodology · About the Trust Index

Trust profile

Integrity4 screens run · 3 don't apply · 3 awaiting data

6. What is the consensus among Wall Street analysts for Instacart's Q3 2026 Gross Transaction Value, and how does it align with the company's official guidance of $10.30B-$10.55B?

Analyst Consensus Q3 2026 GTV	$10.21 billion ^[1]
Instacart Q3 2026 GTV Guidance	$10.30 billion to $10.55 billion ^[2]^[1]^[3]^[4]
Midpoint of Q3 2026 GTV Guidance	$10.425 billion, representing 14% year-over-year growth ^[3]^[4]

Instacart's Q3 2026 GTV guidance exceeds Wall Street analyst estimates. Prior to the company's Q2 2026 earnings, Wall Street analysts had an average consensus estimate of $10.21 billion for Instacart's Q3 2026 Gross Transaction Value (GTV) ^[1]. Instacart's official guidance for the same period ranges from $10.30 billion to $10.55 billion, which is above this initial pre-earnings analyst consensus ^[2]^[1]^[3]^[4].

Strong forecast indicates robust demand and performance above earlier estimates. The midpoint of Instacart's Q3 2026 GTV guidance is $10.425 billion, reflecting a projected 14% year-over-year growth ^[3]^[4]. This optimistic forecast, announced alongside the company's second quarter 2026 financial results, suggests strengthening demand and performance that surpasses previous expectations ^[2]^[4].

Sources (4)

7. How does Instacart's projected 14% GTV growth for Q3 2026 compare with the grocery delivery growth rates reported by competitors like DoorDash and Uber Eats for the same period?

Instacart Q3 2026 GTV	$10.3 billion to $10.55 billion ^[1]^[2]^[3]
Instacart Q3 2026 GTV YoY Growth	14% ^[1]^[2]^[3]
Uber Q3 2026 Gross Bookings	$58.25 billion to $60.25 billion ^[4]

Instacart projects 14% GTV growth for Q3 2026. Instacart has projected its Gross Transaction Value (GTV) for the third quarter of 2026 to be between $10.3 billion and $10.55 billion. When considering the midpoint of this forecast, $10.425 billion, this figure represents an anticipated 14% year-over-year GTV growth ^[1]^[2]^[3].

Uber's Q3 2026 guidance shows strong overall Gross Bookings. For the same period, Uber has provided guidance for its total Gross Bookings, which is expected to range from $58.25 billion to $60.25 billion. This projection indicates an 18% to 22% year-over-year growth on a constant-currency basis ^[4]. However, specific growth figures pertaining solely to Uber Eats' grocery delivery segment for Q3 2026 were not detailed in their guidance ^[4].

DoorDash did not provide specific Q3 2026 growth guidance. DoorDash released its Q2 2026 financial results on August 5, 2026, but explicit percentage growth guidance for Q3 2026 Gross Order Value (GOV) was not immediately available within their primary financial reporting ^[5]. The company did note that its adjusted EBITDA as a percentage of Marketplace GOV for the second half of 2026 is expected to align with historical seasonal patterns ^[5].

Sources (5)

8. How might key macroeconomic indicators for Q3 2026, specifically the Consumer Price Index for food and overall retail sales data, affect Instacart's ability to meet its GTV guidance?

Q3 2026 GTV Guidance	$10.30 billion to $10.55 billion (Q3 2026) ^[1]^[2]^[3]
Year-over-year GTV Growth	14% at midpoint ^[1]^[2]^[3]
U.S. Retail Sales Growth	0.2% month-over-month, 6.7% year-over-year (June 2026) ^[4]

Instacart's GTV guidance for Q3 2026 relies on key economic factors. The company has projected Gross Transaction Value (GTV) in the range of $10.30 billion to $10.55 billion for Q3 2026, targeting a 14% year-over-year growth at the midpoint ^[1]^[2]^[3]. Achieving this guidance is significantly influenced by macroeconomic indicators, particularly the Consumer Price Index (CPI) for food and the broader performance of retail sales ^[5]^[4]^[6].

Food inflation and strong retail sales typically boost Instacart's GTV. Historically, Instacart has shown a positive correlation with rising food inflation, as the platform has the pricing power to transfer increased costs to consumers ^[5]. While Q2 2026 inflation data indicates some cooling in core sectors, food prices have demonstrated persistent pressure ^[4]^[6]. Strong economic growth, often evidenced by increases in GDP, generally leads to higher transaction volumes and increased discretionary spending on the platform ^[5]. Recent data from June 2026 showed U.S. retail and food services sales increased by 0.2% month-over-month and 6.7% year-over-year ^[4]. Conversely, a weakening labor market or severe consumer budget constraints could negatively impact GTV ^[5].

Instacart's AOV strategies involve a trade-off between volume and basket size. The company's GTV performance is sensitive to fluctuations in Average Order Value (AOV) ^[7]. Initiatives focused on improving affordability, such as lowering delivery minimums or expanding into restaurant delivery through partnerships, can stimulate higher order frequency. However, these same strategies might simultaneously result in smaller individual basket sizes, potentially affecting the overall GTV growth relative to the increase in order volume ^[7]^[8]^[9].

Sources (9)

9. What do alternative data sources, such as credit card transaction data and mobile app analytics for Q3 2026, indicate about underlying GTV drivers like Instacart's customer order frequency and average basket size?

Projected Q3 2026 GTV	$10.30 billion to $10.55 billion (14% year-over-year growth) ^[1]^[2]^[3]
Q2 2026 Average Order Value	$115 (4% increase) ^[2]^[3]
Early Q3 2026 Mobile App Downloads	36.0% decline ^[4]

Instacart projects its Q3 2026 Gross Transaction Value (GTV) to reach between $10.30 billion and $10.55 billion, reflecting an approximate 14% year-over-year growth at the midpoint ^[1]^[2]^[3]. The company expects GTV growth to continue outpacing order growth, primarily driven by larger basket sizes rather than increased order frequency. Management attributes this trend of larger average order values to new AI-driven initiatives, including an AI assistant designed to facilitate basket building and personalized restocking ^[1]^[3]^[5].

Recent performance indicates growing order values, but alternative data for early Q3 is mixed. In Q2 2026, Instacart's average order value increased by 4% to $115, while total orders grew by 9% ^[2]^[3]. However, alternative data for early Q3 2026 presents varied signals: web traffic has shown a 14.7% increase over the last three months, while mobile app downloads have experienced a notable decline of 36.0% ^[4].

Sources (5)

10. What does Instacart's strategic shift to wider guidance ranges, as announced in its Q2 2026 earnings call, imply for the likelihood of its final Q3 GTV landing in the upper versus lower half of its forecast?

Guidance Philosophy Shift	Q2 2026 earnings call ^[1]^[2]^[3]
Q3 2026 GTV Guidance Range	$10.30 billion to $10.55 billion ^[1]^[2]
Q3 2026 GTV Guidance Midpoint	$10.425 billion ^[1]^[2]

Instacart announced a strategic shift to wider guidance ranges for Q3 2026. During its Q2 2026 earnings call, Instacart revealed a change in its guidance philosophy, moving to wider GTV and Adjusted EBITDA guidance ranges ^[1]^[2]^[3]. This adjustment is intended to better reflect the company's increased operating scale ^[1]^[2]^[3]. Management explicitly stated an expectation to land within the provided ranges, with the midpoint serving as their best estimate, departing from a "beat and raise" pattern ^[1]^[2]^[3].

Q3 GTV is expected to land within Instacart's forecast range. Instacart provided a Q3 2026 GTV guidance range of $10.30 billion to $10.55 billion, setting the midpoint at $10.425 billion ^[1]^[2]. This updated guidance approach implies that Instacart's final Q3 GTV is anticipated to fall within this full forecast range, with the midpoint being the company's primary estimate ^[1]^[2]^[3].

Sources (3)

11. What Could Change the Odds

Key Catalysts

Instacart announced Q3 2026 guidance for Gross Transaction Value (GTV) of $10,300 million to $10,550 million ^[1]^[2]^[3]^[4]^[5]. The midpoint of this range, $10,425 million, reflects 14% year-over-year growth ^[1]^[2]^[3]^[4]^[5].

Bullish drivers include the expansion of AI-powered "Caper" smart trolleys, as seen with UK expansion with Morrisons ^[4]^[5]^[6]. Growth in advertising and other revenue is projected at 15-18% year-over-year in Q3 ^[4]^[5]. The company also continues ongoing share repurchases ^[4].

Conversely, bearish risks include rising gig worker costs and competitive pressures within the grocery delivery sector ^[7]^[6]. A potential moderation of Adjusted EBITDA growth may occur as Instacart invests in new growth engines ^[7]^[6]. Grocery delivery in China is noted as a very tough market ^[8].

Key Dates & Catalysts

Expiration: March 04, 2027
Closes: March 04, 2027

Sources (8)

12. Keep Exploring

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Instacart gross transaction value in Q3

Short Answer

1. Market Behavior & Drivers

Who Wins and Why

Current Context

2. Price Chart

Historical Price (Probability)

3. Significant Price Movements

📈 August 11, 2026: 74.0pp spike

4. Market Data

Contract Snapshot

Available Contracts

Market options and current pricing

Market Discussion

5. Trust Index

6. What is the consensus among Wall Street analysts for Instacart's Q3 2026 Gross Transaction Value, and how does it align with the company's official guidance of $10.30B-$10.55B?

7. How does Instacart's projected 14% GTV growth for Q3 2026 compare with the grocery delivery growth rates reported by competitors like DoorDash and Uber Eats for the same period?

8. How might key macroeconomic indicators for Q3 2026, specifically the Consumer Price Index for food and overall retail sales data, affect Instacart's ability to meet its GTV guidance?

9. What do alternative data sources, such as credit card transaction data and mobile app analytics for Q3 2026, indicate about underlying GTV drivers like Instacart's customer order frequency and average basket size?

10. What does Instacart's strategic shift to wider guidance ranges, as announced in its Q2 2026 earnings call, imply for the likelihood of its final Q3 GTV landing in the upper versus lower half of its forecast?

11. What Could Change the Odds

Key Catalysts

Key Dates & Catalysts

Prediction Markets

Public Markets

Developers

Company

Short Answer

Who Wins and Why

Current Context

Historical Price (Probability)

📈 August 11, 2026: 74.0pp spike

Contract Snapshot

Available Contracts

Market options and current pricing

Market Discussion

Key Catalysts

Key Dates & Catalysts

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