CTV KPIs: The Executive Guide to Proving ROI and Scaling Your Strategy

At A Glance

Think of Connected TV (CTV) Key Performance Indicators (KPIs) as your campaign’s real-time report card—the specific, measurable metrics that show you what’s working. They’re essential for turning data into decisions, helping you optimize your strategy on the fly, prove ROI to stakeholders, and make sure every ad dollar is driving results. To cut through the noise, focus on these five core KPIs to measure what truly matters:

• Impressions
• Completion Rate
• Conversion Rate
• Cost Per Mille (CPM)
• Reach

What are CTV KPIs?

Think of CTV Key Performance Indicators (KPIs) as the vital signs for your ad campaigns. They’re the specific, measurable metrics that give you a clear, real-time pulse on how your ads are performing on streaming platforms. Gone are the days of guessing your impact; with CTV, you get actionable data that lets you track success far beyond simple brand awareness. As one in-depth guide notes, this transforms television into a precision-driven, performance-oriented channel. This means you can confidently measure everything from audience engagement to actual conversions, ensuring your ad spend is actively fueling growth.

Why Tracking KPIs for CTV Matters for Busy Leaders

For busy leaders, tracking the right CTV KPIs transforms ad spend from an expense into a strategic investment. It provides the hard data needed to prove ROI, make decisive pivots, and report to your board with confidence. This isn't about getting lost in the metrics; it’s about gaining the clarity to ensure your marketing efforts are directly fueling revenue and company growth.

KPI Categories for CTV

To make your CTV data truly actionable, we’ll organize your KPIs into five core categories that tell a complete story. This framework helps you connect the dots from initial audience engagement all the way to bottom-line revenue, giving you a holistic view of campaign performance.

We recommend focusing on these five key areas:

• Audience Reach and Engagement
• Ad Performance and Effectiveness
• Revenue and ROI
• Customer Acquisition and Retention
• Brand Awareness and Perception

Audience Reach and Engagement

Impressions

Impressions track the total number of times your ad is displayed, giving you a foundational measure of your campaign's total exposure and potential scale. Leaders track this core metric directly through their CTV advertising platform's reporting dashboard, which counts every time an ad is served.

Reach

Reach counts the number of unique households or viewers who saw your ad, helping you understand the true breadth of your audience and avoid oversaturating the same small group. Executives measure reach by analyzing reports from their CTV platform or third-party tools that deduplicate viewers using unique IP addresses or device IDs.

Completion Rate

Completion rate measures the percentage of viewers who watch your ad from start to finish, signaling how well your creative resonates and captures audience attention. Executives measure this by dividing the number of completed views by the total ads served, a calculation readily available in campaign analytics.

Formula: (Number of Completed Views / Total Ads Served) x 100 = Completion Rate

For example, if 450,000 of your 500,000 ad serves were watched to the end, your completion rate is a strong 90%.

Frequency

Frequency tracks the average number of times a unique household sees your ad, which is critical for balancing brand recall against the risk of ad fatigue. Leaders calculate this by dividing total impressions by the number of unique households reached, using data straight from their ad server dashboard.

Formula: Total Impressions / Unique Households = Frequency

For example, if you delivered 1,000,000 impressions to 200,000 unique households, your average frequency is 5.

Viewability Rate

Viewability confirms the percentage of your ads that were actually seen by viewers, ensuring your budget is spent on real exposure, not just served impressions. Executives track this using platform reports or third-party verification tools that confirm an ad appeared on-screen for a minimum duration.

Formula: (Number of Viewable Impressions / Total Impressions) x 100 = Viewability Rate

For example, if 950,000 of your 1,000,000 impressions were confirmed viewable, your viewability rate is 95%.

Ad Performance and Effectiveness

Conversion Rate

Conversion rate is the percentage of viewers who take a desired action after seeing your ad, directly proving your campaign’s power to influence customer behavior. Leaders track this by integrating their CTV platform with their website analytics to connect ad views to specific outcomes like purchases or sign-ups.

Formula: (Total Conversions / Total Attributed Visits) x 100 = Conversion Rate
For example, if your campaign drove 10,000 attributed visits and resulted in 500 sales, your conversion rate is 5%.

Cost Per Mille (CPM)

CPM is the cost you pay for one thousand ad impressions, serving as a key benchmark for measuring the cost-efficiency of your media buy. Executives monitor CPM within their ad platform's dashboard to compare costs across different channels and ensure they are securing premium inventory at a competitive price.

Formula: (Total Campaign Cost / Total Impressions) x 1,000 = CPM
For example, if you spent $20,000 to generate 1,000,000 impressions, your CPM is $20.

Cost Per Completed View (CPCV)

CPCV measures the cost for each ad that is watched to completion, ensuring you only pay for fully delivered messages and maximizing the value of your ad spend. Leaders calculate this by dividing the total campaign cost by the number of completed views, a metric readily available in most CTV ad platforms.

Formula: Total Campaign Cost / Number of Completed Views = CPCV
For example, if your campaign cost $20,000 and resulted in 800,000 completed views, your CPCV is $0.025.

View-Through Conversions (VTC)

View-through conversions track the number of people who convert after seeing your ad without clicking, capturing the powerful, non-linear influence of CTV on customer journeys. This is measured using attribution tools that connect a user's ad exposure on a TV to a subsequent conversion on another device, like a laptop or phone, within a set time frame.

Return on Ad Spend (ROAS)

ROAS measures the total revenue generated for every dollar spent on your campaign, providing the ultimate verdict on your advertising's financial performance and profitability. Executives calculate ROAS by dividing the revenue attributed to the CTV campaign by the total cost of the ad spend, directly linking marketing efforts to the bottom line.

Formula: Revenue from Campaign / Total Ad Spend = ROAS
For example, if a $50,000 ad spend generates $250,000 in sales, your ROAS is 5x, or 500%.

Revenue and ROI

Return on Ad Spend (ROAS)

Return on Ad Spend (ROAS) measures the revenue your campaign generates for every dollar you spend, serving as the ultimate verdict on financial performance; this metric is your key to proving profitability and demonstrating to stakeholders how marketing directly fuels the bottom line. Executives calculate ROAS by dividing the revenue attributed to the CTV campaign by the total cost of the ad spend.
Formula: Revenue from Campaign / Total Ad Spend = ROAS
For example, if a $25,000 ad spend generates $150,000 in revenue, your ROAS is 6x.

Conversion Rate

Conversion rate tracks the percentage of viewers who take a specific, valuable action after seeing your ad, proving your campaign’s power to drive behavior; it validates that your messaging is not just being seen, but is compelling enough to turn viewers into customers. Leaders track this by integrating their CTV platform with website analytics to connect ad views to specific outcomes like purchases or sign-ups.
Formula: (Total Conversions / Total Attributed Visits) x 100 = Conversion Rate
For example, if your campaign drove 8,000 attributed visits and resulted in 400 sign-ups, your conversion rate is 5%.

Cost Per Acquisition (CPA)

Cost Per Acquisition (CPA) calculates the exact cost to gain one new customer from your campaign, giving you a sharp, actionable measure of acquisition efficiency; this KPI is critical for managing growth and ensuring your customer acquisition costs are sustainable. Executives monitor CPA by dividing the total campaign spend by the number of new customers acquired, linking ad costs directly to business growth.
Formula: Total Campaign Cost / Number of Conversions = CPA
For example, if you spent $20,000 and acquired 500 new customers, your CPA is $40.

View-Through Conversions (VTC)

View-Through Conversions (VTC) count the customers who convert after seeing your ad—even without clicking—capturing the powerful brand recall that CTV drives; this metric is essential for understanding the full, cross-device impact of your campaign by attributing value to the impression itself. This is measured using attribution tools that connect a user's ad exposure on a TV to a subsequent conversion on another device within a set time frame.

Cost Per Completed View (CPCV)

Cost Per Completed View (CPCV) measures what you pay for each ad watched in its entirety, focusing your spend on fully delivered messages; it’s a key efficiency metric that ensures your budget is invested in genuine engagement, not just fleeting impressions. Leaders calculate this by dividing the total campaign cost by the number of completed views, a metric readily available in most CTV ad platforms.
Formula: Total Campaign Cost / Number of Completed Views = CPCV
For example, if your campaign cost $15,000 and resulted in 750,000 completed views, your CPCV is $0.02.

Customer Acquisition and Retention

Conversion Rate

Conversion rate is the percentage of viewers who take a desired action after seeing your ad, directly proving your campaign’s power to influence customer behavior. Leaders track this by integrating their CTV platform with their website analytics to connect ad views to specific outcomes like purchases or sign-ups.

Formula: (Total Conversions / Total Attributed Visits) x 100 = Conversion Rate

For example, if your campaign drove 5,000 attributed visits and resulted in 250 sales, your conversion rate is 5%.

Cost Per Acquisition (CPA)

Cost Per Acquisition (CPA) calculates the exact cost to gain one new customer from your campaign, giving you a sharp, actionable measure of acquisition efficiency. Executives monitor CPA by dividing the total campaign spend by the number of new customers acquired, linking ad costs directly to business growth.

Formula: Total Campaign Cost / Number of Conversions = CPA

For example, if you spent $25,000 and acquired 500 new customers, your CPA is $50.

Return on Ad Spend (ROAS)

ROAS measures the total revenue generated for every dollar spent on your campaign, providing the ultimate verdict on your advertising's financial performance and profitability. Executives calculate ROAS by dividing the revenue attributed to the CTV campaign by the total cost of the ad spend, directly linking marketing efforts to the bottom line.

Formula: Revenue from Campaign / Total Ad Spend = ROAS

For example, if a $50,000 ad spend generates $300,000 in sales, your ROAS is 6x.

View-Through Conversions (VTC)

View-through conversions track the number of people who convert after seeing your ad without clicking, capturing the powerful, non-linear influence of CTV on customer journeys. This is measured using attribution tools that connect a user's ad exposure on a TV to a subsequent conversion on another device, like a laptop or phone, within a set time frame.

Brand Lift

Brand lift measures the direct impact your CTV campaign has on audience perception and awareness, proving that your ads are not just seen but are actively improving brand favorability and recall. Leaders measure this by running survey-based studies that compare brand sentiment between a group exposed to the ads and a control group that was not.

Formula: (Metric for Exposed Group - Metric for Control Group) = Incremental Lift

For example, if your exposed group shows 40% brand recall and the control group shows 22%, your campaign generated an 18% incremental lift in recall.

Brand Awareness and Perception

Impressions

Impressions count every time your ad is displayed on a screen, giving you a foundational measure of your campaign's total exposure and potential scale.

Leaders track this core metric directly through their CTV advertising platform's reporting dashboard, which counts every time an ad is served.

Reach

Reach measures the number of unique households that saw your ad, helping you understand the true breadth of your audience and avoid oversaturating the same small group.

Executives measure reach by analyzing reports from their CTV platform that deduplicate viewers using unique IP addresses or device IDs.

Completion Rate

Completion rate is the percentage of viewers who watch your ad from start to finish, proving how well your creative captures and holds audience attention.

Executives measure this by dividing the number of completed views by the total ads served, a calculation readily available in campaign analytics.

Formula: (Number of Completed Views / Total Ads Served) x 100 = Completion Rate

For example, if 850,000 of your 1,000,000 ad serves were watched to the end, your completion rate is a strong 85%.

Frequency

Frequency tracks the average number of times a unique household sees your ad, which is critical for building brand recall without causing ad fatigue.

Leaders calculate this by dividing total impressions by the number of unique households reached, using data straight from their ad server dashboard.

Formula: Total Impressions / Unique Households = Frequency

For example, if you delivered 2,000,000 impressions to 400,000 unique households, your average frequency is 5.

Brand Lift

Brand lift measures the direct impact your campaign has on audience perception, proving that your ads are actively improving brand favorability and recall.

Leaders measure this by running survey-based studies that compare brand sentiment between a group exposed to the ads and a control group that was not.

Formula: ((Metric for Exposed Group - Metric for Control Group) / Metric for Control Group) x 100 = Brand Lift %

For example, if your exposed group shows 35% brand recall and the control group shows 25%, your campaign generated a 40% brand lift in recall.

Common Pitfalls for CTV KPI Management

Even with the right KPIs, it’s easy to fall into traps that derail your strategy. Many leaders get stuck chasing vanity metrics—like raw impressions—that look good on paper but don’t drive revenue. Others rely on a blended Customer Acquisition Cost (CAC) that masks which channels are actually performing, or they over-optimize for one KPI at the expense of the bigger picture. The pitfalls don't stop there: ignoring the natural lag time in CTV results can lead to premature decisions, while tracking too many metrics creates analysis paralysis. Add in inconsistent definitions across teams and a lack of clear ownership, and you have a recipe for confusion. For a busy executive, sidestepping these landmines is a constant battle, demanding a level of focus and detail you simply don’t have time for.

How an Executive Assistant from Viva Streamlines KPI Tracking

A Viva executive assistant, part of the top 0.2% of Latin American talent trained in our four-week business bootcamp, turns KPI chaos into clarity. By owning the tactical details, they free you to focus on strategy. Your EA handles:

• Maintaining and updating your KPI dashboards for real-time visibility.
• Distilling data into concise weekly reports that highlight key trends.
• Proactively flagging performance anomalies and growth opportunities so nothing is missed.

Want Better KPI Management?

Take control of your data by taking the first step: book a call. Visit Viva to get matched with a vetted executive assistant in under a week.