Open Auction Benchmarks: September 2026

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NA Edition

September 2026 Display & Video Benchmarks

Programmatic Open Auction

Track your performance across the advertising industry and identify high-value opportunities with our curated Programmatic and Direct Benchmarks datasets.

The takeaway

September brought both formats back in step after August split them. Display and Video CPMs both rose month over month, while advertiser spending trailed last year across both formats.

  • Display CPM up 9% MoM; Video CPM up 9% MoM
  • Advertiser spending down 36% (Display) and 26% (Video) year over year
  • Standout video growth: one advertiser grew spend over 200% MoM
Format
CPM
MoM CPM
YoY CPM
Display
$1.62
▲ 9%
▼ 1%
Video
$4.40
▲ 9%
▲ 11%

Display Benchmarks

Month over Month
Advertiser Spending▼ 2%
CPM▲ 9%
Year over Year
Advertiser Spending▼ 36%
CPM▼ 1%
Top Display Advertisers
#BrandShare of VoiceCPMMoM Spending Trend
1Amazon4.42%$2.06▲ 0.06%
2Temu1.88%$3.95▼ 3.60%
3AT&T0.95%$2.94▲ 3.65%
4American Express0.83%$1.95▼ 11.70%
5Adobe0.80%$0.90▲ 16.48%
6Best Buy0.71%$2.21▼ 14.51%
7Verizon0.68%$2.94▼ 14.73%
8Walmart0.64%$1.15▼ 17.36%
9Comcast0.63%$2.20▼ 51.84%
10Apple0.62%$0.70▲ 22.79%
Spending Trend Insight

AT&T's September 2026 promotional campaign offered up to $1,200 off the new Apple iPhone 18 Pro for both new and existing customers.

Spending Trend Insight

Apple launched the “What Holds Us” photography exhibition in September 2026 to showcase the advanced camera capabilities of the new iPhone 18 Pro.

Top Display Partners
#BrandShare of VoiceCPMMoM CPM Change
1Google Ad Manager44.73%$1.97▲ 3.62%
2Index Exchange11.81%$1.64▲ 6.75%
3Magnite8.34%$1.63▼ 2.97%
4TripleLift6.98%$1.64▲ 8.60%
5PubMatic4.31%$1.51▲ 10.31%
6A93.55%$2.04▲ 2.91%
7media.net3.13%$1.17▲ 5.25%
8OpenX2.22%$1.43▼ 16.45%
9Xandr2.11%$0.55▲ 110.60%
10Minute Media1.94%$1.66▲ 9.09%
CPM Change Insight

Xandr display +110% is driven by inventory changes, not a market-wide SSP price increase.

Video Benchmarks

Month over Month
Advertiser SpendingN/A
CPM▲ 9%
Year over Year
Advertiser Spending▼ 26%
CPM▲ 11%
Top Video Advertisers
#BrandShare of VoiceCPMMoM Spending Trend
1Chevrolet3.93%$17.08▼ 47.74%
2Adobe1.53%$9.75▲ 20.30%
3Apple1.34%$2.67▲ 3.64%
4Amazon1.29%$4.16▲ 20.97%
5Lilly1.11%$5.03▼ 5.09%
6Disney0.95%$9.17▲ 25.60%
7GM0.60%$8.97▲ 228.21%
8Crest0.56%$7.45▼ 38.16%
9Instacart0.54%$4.34▲ 48.43%
10Discover0.48%$7.29▲ 5.70%
Spending Trend Insight

Amazon’s “Fall Savings & Early Deals Hub” for September 2026 served as a warm-up window for its massive autumn shopping event: Prime Big Deal Days.

Top Video Partners
#BrandShare of VoiceCPMMoM CPM Change
1Magnite37.78%$12.51▲ 13.97%
2Google Ad Manager25.01%$4.34▲ 3.41%
3Index Exchange12.59%$6.50▲ 27.35%
4PubMatic4.68%$9.58▲ 10.07%
5JWP3.41%$1.73▲ 19.19%
6TripleLift2.20%$3.37▲ 51.16%
7OpenX1.09%$6.28▲ 3.18%
8A90.87%$7.05▲ 10.55%
9Xandr0.80%$4.38▲ 2.43%
10Minute Media0.70%$10.79▼ 6.68%
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