Best Day of the Week for Promo Codes

Averaged across all days in 2024–2025 combined. Editor success rate based on 75.8M verified tests. User satisfaction from 2.3M user votes (2025). Code copies from all SimplyCodes platforms.

Key context: The spread across days is tiny compared to months. Best-to-worst day gap on editor success rate is just 2.3 percentage points. Best-to-worst month gap is over 23 points. The day of the week is roughly 10× less important than the month for determining whether a code will work.

By Day of Week

Day	Avg Daily Copies	Avg Daily Shoppers	Editor Success Rate	% Codes 20%+ Off	Median Discount	User Satisfaction
Sunday	112,583	48,211	74.7%	27.1%	10%	12.2%
Monday	113,685	48,287	73.7%	28.9%	10%	12.5%
Tuesday	109,628	46,647	72.7%	28.4%	10%	12.6%
Wednesday	107,477	45,793	72.9%	27.9%	10%	12.6%
Thursday	105,123	44,946	72.7%	28.4%	10%	12.5%
Friday	107,475	46,294	72.4%	29.9%	15%	12.2%
Saturday	103,457	44,615	72.5%	27.6%	10%	12.2%

Best & Worst by Metric

Shopper Demand

Best Monday (113,685)

Worst Saturday (103,457)

10% gap

Editor Success Rate

Best Sunday (74.7%)

Worst Friday (72.4%)

2.3pp gap

Discount Quality (20%+)

Best Friday (29.9%)

Worst Sunday (27.1%)

2.8pp gap

Median Discount

Best Friday (15%)

All others 10%

Friday is the only day median hits 15%

User Satisfaction

Best Tue / Wed (12.6%)

Worst Sun / Fri / Sat (12.2%)

0.4pp gap

Source: SimplyCodes internal data. Code copies from mart_daily_code_copies (2024–2025). Editor success rates from int_code_tests (75.8M tests, trained editors, 2024–2025 combined). Discount quality from editor test observations (percentoff field in int_code_tests, percentage-off codes ≤100% only). User satisfaction from fct_code_votes (2025, upvote rate = code worked for the user).