MDB vs. RBLX: A Head-to-Head Stock Comparison

Updated on October 4, 2025

Here’s a clear look at MDB and RBLX, comparing key factors like historical performance, profitability, financial strength, growth, dividend, and valuation.

Company Profile

Symbol	MDB	RBLX
Company Name	MongoDB, Inc.	Roblox Corporation
Country	United States	United States
GICS Sector	Information Technology	Communication Services
GICS Industry	IT Services	Entertainment
Market Capitalization	26.16 billion USD	93.63 billion USD
Exchange	NasdaqGM	NYSE
Listing Date	October 19, 2017	March 10, 2021
Security Type	Common Stock	Common Stock

Historical Performance

This chart compares the performance of MDB and RBLX by tracking the growth of an initial $10,000 investment in each. Use the tabs to select the desired time period. Data is adjusted for dividends and splits.

MDB vs. RBLX: Growth of a $10,000 investment over the past one year.

Historical Performance at a Glance

Symbol	MDB	RBLX
5-Day Price Return	1.97%	4.05%
13-Week Price Return	56.05%	31.67%
26-Week Price Return	70.45%	129.49%
52-Week Price Return	18.93%	213.54%
Month-to-Date Return	3.59%	11.18%
Year-to-Date Return	38.11%	139.41%
10-Day Avg. Volume	2.05M	7.33M
3-Month Avg. Volume	2.80M	8.52M
3-Month Volatility	86.98%	50.92%
Beta	1.41	1.63

Profitability

Return on Equity (TTM)

MDB

-3.07%

IT Services Industry

Max: 32.78%
Q3: 19.28%
Median: 13.86%
Q1: 5.50%
Min: -10.00%

MDB has a negative Return on Equity of -3.07%. This indicates the company is generating a loss for its shareholders, which can be a result of unprofitability or negative shareholder equity and is often a sign of financial distress.

RBLX

-354.27%

Entertainment Industry

Max: 42.50%
Q3: 24.06%
Median: 13.69%
Q1: 5.35%
Min: -17.95%

RBLX has a negative Return on Equity of -354.27%. This indicates the company is generating a loss for its shareholders, which can be a result of unprofitability or negative shareholder equity and is often a sign of financial distress.

MDB vs. RBLX: A comparison of their Return on Equity (TTM) against their respective IT Services and Entertainment industry benchmarks.

Net Profit Margin (TTM)

MDB

-3.54%

IT Services Industry

Max: 19.71%
Q3: 11.01%
Median: 6.66%
Q1: 2.96%
Min: -6.22%

MDB has a negative Net Profit Margin of -3.54%, indicating the company is operating at a net loss as its expenses exceeded its revenues.

RBLX

-23.67%

Entertainment Industry

Max: 45.33%
Q3: 24.40%
Median: 13.94%
Q1: 4.28%
Min: -23.67%

RBLX has a negative Net Profit Margin of -23.67%, indicating the company is operating at a net loss as its expenses exceeded its revenues.

MDB vs. RBLX: A comparison of their Net Profit Margin (TTM) against their respective IT Services and Entertainment industry benchmarks.

Operating Profit Margin (TTM)

MDB

-7.45%

IT Services Industry

Max: 22.44%
Q3: 14.90%
Median: 8.82%
Q1: 4.91%
Min: -9.89%

MDB has a negative Operating Profit Margin of -7.45%. This signifies the company is unprofitable at the operational level, as its core business expenses exceed its revenue.

RBLX

-27.35%

Entertainment Industry

Max: 41.77%
Q3: 28.26%
Median: 16.13%
Q1: 8.03%
Min: -3.93%

RBLX has a negative Operating Profit Margin of -27.35%. This signifies the company is unprofitable at the operational level, as its core business expenses exceed its revenue.

MDB vs. RBLX: A comparison of their Operating Profit Margin (TTM) against their respective IT Services and Entertainment industry benchmarks.

Profitability at a Glance

Symbol	MDB	RBLX
Return on Equity (TTM)	-3.07%	-354.27%
Return on Assets (TTM)	-2.28%	-13.06%
Net Profit Margin (TTM)	-3.54%	-23.67%
Operating Profit Margin (TTM)	-7.45%	-27.35%
Gross Profit Margin (TTM)	72.33%	78.01%

Financial Strength

Current Ratio (MRQ)

MDB

5.70

IT Services Industry

Max: 3.17
Q3: 2.00
Median: 1.47
Q1: 1.05
Min: 0.52

MDB’s Current Ratio of 5.70 is exceptionally high, placing it well outside the typical range for the IT Services industry. This indicates a very strong liquidity position, though such a high ratio may also suggest that the company is not using its assets efficiently to generate profits.

RBLX

0.97

Entertainment Industry

Max: 6.76
Q3: 4.02
Median: 1.55
Q1: 0.86
Min: 0.38

RBLX’s Current Ratio of 0.97 aligns with the median group of the Entertainment industry, indicating that its short-term liquidity is in line with its sector peers.

MDB vs. RBLX: A comparison of their Current Ratio (MRQ) against their respective IT Services and Entertainment industry benchmarks.

Debt-to-Equity Ratio (MRQ)

MDB

0.01

IT Services Industry

Max: 3.11
Q3: 1.55
Median: 0.55
Q1: 0.17
Min: 0.00

Falling into the lower quartile for the IT Services industry, MDB’s Debt-to-Equity Ratio of 0.01 points to a conservative financing strategy. This results in lower financial risk but potentially limits strategic investments compared to more leveraged competitors.

RBLX

2.85

Entertainment Industry

Max: 1.54
Q3: 0.77
Median: 0.16
Q1: 0.02
Min: 0.00

With a Debt-to-Equity Ratio of 2.85, RBLX operates with exceptionally high leverage compared to the Entertainment industry norm. This suggests an aggressive reliance on debt financing, which can magnify returns but also significantly elevates financial risk.

MDB vs. RBLX: A comparison of their Debt-to-Equity Ratio (MRQ) against their respective IT Services and Entertainment industry benchmarks.

Interest Coverage Ratio (TTM)

MDB

-28.15

IT Services Industry

Max: 129.00
Q3: 56.00
Median: 11.69
Q1: 0.77
Min: -28.15

MDB has a negative Interest Coverage Ratio of -28.15. This indicates that its earnings were insufficient to cover even its operational costs, let alone its interest payments, signaling significant financial distress.

RBLX

-845.00

Entertainment Industry

Max: 87.17
Q3: 35.59
Median: 7.06
Q1: 1.13
Min: -44.74

RBLX has a negative Interest Coverage Ratio of -845.00. This indicates that its earnings were insufficient to cover even its operational costs, let alone its interest payments, signaling significant financial distress.

MDB vs. RBLX: A comparison of their Interest Coverage Ratio (TTM) against their respective IT Services and Entertainment industry benchmarks.

Financial Strength at a Glance

Symbol	MDB	RBLX
Current Ratio (MRQ)	5.70	0.97
Quick Ratio (MRQ)	5.52	0.96
Debt-to-Equity Ratio (MRQ)	0.01	2.85
Interest Coverage Ratio (TTM)	-28.15	-845.00

Growth

Revenue Growth

MDB vs. RBLX: A side-by-side comparison of their Revenue Growth for the MRQ (YoY), TTM (YoY), 3-Year CAGR, and 5-Year CAGR periods.

EPS Growth

MDB vs. RBLX: A side-by-side comparison of their EPS Growth for the MRQ (YoY), TTM (YoY), 3-Year CAGR, and 5-Year CAGR periods.

Dividend

Dividend Yield (TTM)

MDB

0.00%

IT Services Industry

Max: 2.79%
Q3: 1.76%
Median: 0.58%
Q1: 0.00%
Min: 0.00%

MDB currently does not pay a dividend, resulting in a yield of 0%. This is a common strategy for growth-focused companies that prioritize reinvesting earnings, though it may be less typical in mature, income-oriented sectors.

RBLX

0.00%

Entertainment Industry

Max: 2.90%
Q3: 1.29%
Median: 0.59%
Q1: 0.00%
Min: 0.00%

RBLX currently does not pay a dividend, resulting in a yield of 0%. This is a common strategy for growth-focused companies that prioritize reinvesting earnings, though it may be less typical in mature, income-oriented sectors.

MDB vs. RBLX: A comparison of their Dividend Yield (TTM) against their respective IT Services and Entertainment industry benchmarks.

Dividend Payout Ratio (TTM)

MDB

0.00%

IT Services Industry

Max: 107.85%
Q3: 52.62%
Median: 22.53%
Q1: 0.00%
Min: 0.00%

MDB has a Dividend Payout Ratio of 0%, indicating it does not currently pay a dividend. This is a common strategy for growth-oriented companies that reinvest all profits back into the business.

RBLX

0.00%

Entertainment Industry

Max: 82.30%
Q3: 38.45%
Median: 29.74%
Q1: 0.00%
Min: 0.00%

RBLX has a Dividend Payout Ratio of 0%, indicating it does not currently pay a dividend. This is a common strategy for growth-oriented companies that reinvest all profits back into the business.

MDB vs. RBLX: A comparison of their Dividend Payout Ratio (TTM) against their respective IT Services and Entertainment industry benchmarks.

Dividend at a Glance

Symbol	MDB	RBLX
Dividend Yield (TTM)	0.00%	0.00%
Dividend Payout Ratio (TTM)	0.00%	0.00%

Valuation

Price-to-Earnings Ratio (TTM)

MDB

IT Services Industry

Max: 56.41
Q3: 33.17
Median: 23.17
Q1: 16.18
Min: 6.62

P/E Ratio data for MDB is currently unavailable.

RBLX

Entertainment Industry

Max: 92.09
Q3: 54.51
Median: 28.92
Q1: 19.75
Min: 2.96

P/E Ratio data for RBLX is currently unavailable.

MDB vs. RBLX: A comparison of their Price-to-Earnings Ratio (TTM) against their respective IT Services and Entertainment industry benchmarks.

Price-to-Sales Ratio (TTM)

MDB

11.73

IT Services Industry

Max: 5.99
Q3: 4.26
Median: 1.93
Q1: 0.97
Min: 0.12

With a P/S Ratio of 11.73, MDB trades at a valuation that eclipses even the highest in the IT Services industry. This implies the market has priced in exceptionally optimistic scenarios for future revenue growth, posing considerable valuation risk.

RBLX

23.10

Entertainment Industry

Max: 12.34
Q3: 7.67
Median: 5.06
Q1: 2.72
Min: 0.67

With a P/S Ratio of 23.10, RBLX trades at a valuation that eclipses even the highest in the Entertainment industry. This implies the market has priced in exceptionally optimistic scenarios for future revenue growth, posing considerable valuation risk.

MDB vs. RBLX: A comparison of their Price-to-Sales Ratio (TTM) against their respective IT Services and Entertainment industry benchmarks.

Price-to-Book Ratio (MRQ)

MDB

6.61

IT Services Industry

Max: 12.34
Q3: 7.54
Median: 3.84
Q1: 2.52
Min: 0.88

MDB’s P/B Ratio of 6.61 is within the conventional range for the IT Services industry. This shows a balanced market view, where the stock’s price is neither at a significant premium nor a discount to the book value of its peers.

RBLX

202.01

Entertainment Industry

Max: 22.84
Q3: 10.54
Median: 6.60
Q1: 2.30
Min: 0.65

At 202.01, RBLX’s P/B Ratio is at an extreme premium to the Entertainment industry. This signifies that the market’s valuation is heavily reliant on future potential rather than its current net asset value, which can be a high-risk proposition.

MDB vs. RBLX: A comparison of their Price-to-Book Ratio (MRQ) against their respective IT Services and Entertainment industry benchmarks.

Valuation at a Glance

Symbol	MDB	RBLX
Price-to-Earnings Ratio (TTM)	--	--
Price-to-Sales Ratio (TTM)	11.73	23.10
Price-to-Book Ratio (MRQ)	6.61	202.01
Price-to-Free Cash Flow Ratio (TTM)	108.44	98.68