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Head-to-head · Stock vs Stock
SentinelOne vs Rubrik
vs
S vs RBRK: the verdict
How S and RBRK compare today, and what CleaRank Financial AI makes of it.
The verdict
CleaRank Financial AI favours
RBRK
S
RBRK
59/100
AI score
71/100
+44.5%
1-year change
+74.5%
58.7%
Volatility (30d, yearly)
50.8%
60.5
RSI (14-day)
69.9
None
Dividend yield
None
The verdict
Rubrik (RBRK) comes out ahead on CleaRank's model, scoring 71/100 (Buy) against 59/100 (Hold) for SentinelOne (S). The widest gap is the earnings record: for RBRK, it beat estimates in 8 of its last 8 reports and the latest report beat the estimate by 400.00%. For S, it beat estimates in 3 of its last 8 reports and the latest report missed the estimate by 17.39%.
Key difference
On growth, RBRK has the edge. Its revenue grew 38.99%, which is 14.8 percentage points faster than the sector median. S grew revenue 20.80%, and that is 3.4 percentage points slower than the sector median.
Price, side by side
Both prices start at 0% on the first day of the period you pick, so the moves compare directly.
Rebased price
0%+10%+20%+22%+14%
Oct '26
0%+20%+40%+60%+80%+78%+41%
Aug '26Sep '26Oct '26
0%+50%+100%+150%+150%+74%
May '26Jun '26Jul '26Aug '26Sep '26Oct '26
0%+50%+73%+44%
Nov '25Jan '26Mar '26Jun '26Aug '26Oct '26
0%+100%+200%+272%+7.4%
Sep '24Feb '25Jul '25Dec '25May '26Oct '26
Over 1 year: S gained 44.5% and RBRK gained 73.3%, a gap of 28.8 points in RBRK's favour.
Valuation and profitability
What each costs relative to its earnings and sales, and how much of its revenue it keeps.
Side by side
Valuation
Lower multiples mean you pay less for each dollar of earnings or sales.
S
RBRK
$8.9B
Market cap
$27.9B
8.1x
Price / sales
18.1x
5.7x
Price / book
N/A
Profitability
How much of each dollar of revenue becomes profit, and how hard the capital works.
S
RBRK
+20.8%
Revenue growth (quarter, y/y)
+39.0%
-31.0%
Net margin
-16.5%
-23.0%
Return on equity
N/A
-7.6%
Return on assets
-6.7%
0.00
Debt / equity
-0.02
On valuation
RBRK commands a higher price on sales, at 17.18 times against 7.60 for S.
On profitability
Profitability is where the two differ most. RBRK turns more of its sales into profit, posting a net margin of -16.50% compared with -30.95% for S. Looking at the latest quarter against the same quarter a year earlier, S's revenue grew 20.80% and RBRK's grew 38.99%. Neither company has a dividend reported in our data: none is listed for S, and none for RBRK.
Earnings reality check
S
S beat the estimate in 3 of its last 8 reports (latest Aug '26); the shares fell the next session after 2 of those beats.
Surprise
Next session
Mar '25Aug '25Mar '26Aug '26
RBRK
RBRK beat the estimate in 8 of its last 8 reports (latest Aug '26); the shares fell the next session after 5 of those beats.
Surprise
Next session
Mar '25Sep '25Mar '26Aug '26
Momentum and sentiment
The indicators behind each AI score, side by side.
Indicators side by side
S
RBRK
59/100
AI score
71/100
60.5
RSI (14-day)
69.9
+12.7%
Price against 50-day average
+25.1%
+46.5%
Price against 200-day average
+79.3%
Technicals
RBRK sits higher in its 52-week range, at 100% against 83% for S.
Risk and practical tips
How much each moves, how much return each has paid for that risk, and what to watch if you hold either.
Risk measures
S
RBRK
58.7%
Volatility (30d, yearly)
50.8%
0.71
Beta against the S&P 500
1.12
0.25
Sharpe ratio
1.19
Risk
S moves more on an average day, 3.46% against 3.04% for RBRK. Against the S&P 500, S has a beta of 0.71 and RBRK 1.12. Their worst falls in the price history were 84.4% for S (November 2021 to April 2026) and 56.1% for RBRK (June 2025 to April 2026). The measures split: S moves more on an average day and has had the deeper worst fall, while RBRK has the higher beta.
S vs RBRK: long-term scenarios
Simulated paths from each price history. A range of outcomes, not a forecast.
Simulated growth of $10,000
$10K$15K$20K$25K$30K$30.8K$23.6K$12.4K$9,549
20262028
S
RBRK
$3,858
Downside, 2028 (10th)
$5,026
$9,549
Base case, 2028 (median)
$12,440
$23,634
Upside, 2028 (90th)
$30,789
In the median simulated path, $10,000 in S grows to about $9,500 and $10,000 in RBRK to about $12,400 by 2028. The paths come from each asset's own historical volatility and trend; they are statistical outcomes, not forecasts.
Trade plans for both
Entry, stop and target levels from each moving average and its volatility. Educational, not advice.
Actionable Trade Plans
Select Your Trade Bias
Risk Tolerance
Conservative
3%
Aggressive
Portfolio Value
$
✎
Position Size: $200 - $300 per asset
S
Current: $25.50
ENTRY ZONES
Conservative
$24.23
Aggressive
$25.50
RISK MANAGEMENT
STOP LOSS
$23.50
MAX LOSS
-3%
Volatility-Adjusted Stop Loss
Calculated based on volatility and technical support levels.
Profit Targets (Based on Conservative)
+5% from current
$26.78
+10% from current
$28.05
+15% from current
$29.33
RBRK
Current: $135.74
ENTRY ZONES
Conservative
$128.95
Aggressive
$135.74
RISK MANAGEMENT
STOP LOSS
$125.08
MAX LOSS
-3%
Volatility-Adjusted Stop Loss
Calculated based on volatility and technical support levels.
Profit Targets (Based on Conservative)
+5% from current
$142.53
+10% from current
$149.31
+15% from current
$156.10
Calculate Your Trade
Disclaimer
The content is for educational purposes only. S is the more volatile asset here, and volatile prices can move sharply in either direction. Trading involves risk of loss. Note: The AI favored RBRK based on its earnings record, on today's data.
S vs RBRK: questions people ask
Answered from the figures on this page.
Frequently Asked Questions
Which is better, S or RBRK?+
On CleaRank's model RBRK scores higher, 71/100 (Buy) against 59/100 (Hold) for S. This describes the data on this page and is not a personal recommendation.
Which is riskier, S or RBRK?+
Most of the measures we track point to S as the riskier of the two. Average daily move: 3.46% for S, 3.04% for RBRK. Beta against the S&P 500: 0.71 for S, 1.12 for RBRK. Worst fall in the price history: 84.4% for S, 56.1% for RBRK.
Which has stronger momentum right now, S or RBRK?+
Readings above 70 or below 30 signal stretched momentum.
How have S and RBRK performed over the past year?+
Over the 12 months to October 27, 2026, S's price rose 44.5% and RBRK's rose 74.5%. These are price changes; dividends are not included.
Do S and RBRK move together?+
Yes, moderately: over roughly the past year to October 27, 2026, the correlation of their daily returns was +0.52 (+1 means they move in lockstep, 0 means no relationship). Holding both spreads the risk more than owning either alone.
How far are S and RBRK from their 52-week highs?+
As of October 27, 2026, S is 3.8% below its 52-week high of $26.50 and RBRK is 1.6% below its high of $137.94.