RKLB
Price
$39.48
Change
-$4.14 (-9.49%)
Updated
Nov 20 closing price
Capitalization
21.09B
Intraday BUY SELL Signals
SIDU
Price
$0.72
Change
-$0.06 (-7.69%)
Updated
Nov 20, 04:59 PM (EDT)
Capitalization
25.23M
Intraday BUY SELL Signals
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RKLB vs SIDU

Header iconRKLB vs SIDU Comparison
Open Charts RKLB vs SIDUBanner chart's image
Rocket Lab
Price$39.48
Change-$4.14 (-9.49%)
Volume$25.03M
Capitalization21.09B
Sidus Space
Price$0.72
Change-$0.06 (-7.69%)
Volume$6.73K
Capitalization25.23M
RKLB vs SIDU Comparison Chart in %
RKLB
Daily Signal:
Gain/Loss:
SIDU
Daily Signal:
Gain/Loss:
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VS
RKLB vs. SIDU commentary
Nov 21, 2025

To compare these two companies we present long-term analysis, their fundamental ratings and make comparative short-term technical analysis which are presented below. The conclusion is RKLB is a Hold and SIDU is a Hold.

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COMPARISON
Comparison
Nov 21, 2025
Stock price -- (RKLB: $39.48 vs. SIDU: $0.72)
Brand notoriety: RKLB and SIDU are both not notable
Both companies represent the Aerospace & Defense industry
Current volume relative to the 65-day Moving Average: RKLB: 103% vs. SIDU: 55%
Market capitalization -- RKLB: $21.09B vs. SIDU: $25.23M
RKLB [@Aerospace & Defense] is valued at $21.09B. SIDU’s [@Aerospace & Defense] market capitalization is $25.23M. The market cap for tickers in the [@Aerospace & Defense] industry ranges from $306.55B to $0. The average market capitalization across the [@Aerospace & Defense] industry is $21.99B.

Long-Term Analysis

It is best to consider a long-term outlook for a ticker by using Fundamental Analysis (FA) ratings. The rating of 1 to 100, where 1 is best and 100 is worst, is divided into thirds. The first third (a green rating of 1-33) indicates that the ticker is undervalued; the second third (a grey number between 34 and 66) means that the ticker is valued fairly; and the last third (red number of 67 to 100) reflects that the ticker is undervalued. We use an FA Score to show how many ratings show the ticker to be undervalued (green) or overvalued (red).

RKLB’s FA Score shows that 0 FA rating(s) are green whileSIDU’s FA Score has 0 green FA rating(s).

  • RKLB’s FA Score: 0 green, 5 red.
  • SIDU’s FA Score: 0 green, 5 red.
According to our system of comparison, RKLB is a better buy in the long-term than SIDU.

Short-Term Analysis

It is best to consider a short-term outlook for a ticker by using Technical Analysis (TA) indicators. We use Odds of Success as the percentage of outcomes which confirm successful trade signals in the past.

If the Odds of Success (the likelihood of the continuation of a trend) for each indicator are greater than 50%, then the generated signal is confirmed. A green percentage from 90% to 51% indicates that the ticker is in a bullish trend. A red percentage from 90% - 51% indicates that the ticker is in a bearish trend. All grey percentages are below 50% and are considered not to confirm the trend signal.

RKLB’s TA Score shows that 4 TA indicator(s) are bullish while SIDU’s TA Score has 3 bullish TA indicator(s).

  • RKLB’s TA Score: 4 bullish, 6 bearish.
  • SIDU’s TA Score: 3 bullish, 6 bearish.
According to our system of comparison, RKLB is a better buy in the short-term than SIDU.

Price Growth

RKLB (@Aerospace & Defense) experienced а -12.75% price change this week, while SIDU (@Aerospace & Defense) price change was -12.54% for the same time period.

The average weekly price growth across all stocks in the @Aerospace & Defense industry was -1.73%. For the same industry, the average monthly price growth was -8.67%, and the average quarterly price growth was +24.57%.

Industries' Descriptions

@Aerospace & Defense (-1.73% weekly)

Aerospace & Defense is one of largest industries in the U.S., mainly comprising the following areas: commercial airliners, military aircraft, missiles, space, and general aviation. Focused heavily on research & development, it is also one of the fastest growing industries. Military aircraft has the largest market share in the industry’s sales, followed by space systems, civil aircraft, and missiles. Aerospace exports, directly and indirectly, support more jobs than the export of any other commodity, according to a study by the U.S. Department of Commerce. Boeing Company, Lockheed Martin Corporation and General Electric Company are some of the most prominent players in this space.

SUMMARIES
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FUNDAMENTALS
Fundamentals
RKLB($21.1B) has a higher market cap than SIDU($25.2M). RKLB YTD gains are higher at: 55.006 vs. SIDU (-85.392). SIDU has higher annual earnings (EBITDA): -16.59M vs. RKLB (-185.68M). RKLB has more cash in the bank: 688M vs. SIDU (3.64M). SIDU has less debt than RKLB: SIDU (8.78M) vs RKLB (498M). RKLB has higher revenues than SIDU: RKLB (504M) vs SIDU (4.19M).
RKLBSIDURKLB / SIDU
Capitalization21.1B25.2M83,730%
EBITDA-185.68M-16.59M1,119%
Gain YTD55.006-85.392-64%
P/E RatioN/AN/A-
Revenue504M4.19M12,017%
Total Cash688M3.64M18,927%
Total Debt498M8.78M5,673%
TECHNICAL ANALYSIS
Technical Analysis
RKLBSIDU
RSI
ODDS (%)
Bullish Trend 1 day ago
90%
Bullish Trend 2 days ago
90%
Stochastic
ODDS (%)
Bullish Trend 1 day ago
81%
N/A
Momentum
ODDS (%)
Bearish Trend 1 day ago
78%
Bearish Trend 2 days ago
90%
MACD
ODDS (%)
Bearish Trend 1 day ago
86%
Bearish Trend 2 days ago
90%
TrendWeek
ODDS (%)
Bearish Trend 1 day ago
76%
Bearish Trend 2 days ago
90%
TrendMonth
ODDS (%)
Bearish Trend 1 day ago
79%
Bearish Trend 2 days ago
90%
Advances
ODDS (%)
Bullish Trend 11 days ago
85%
N/A
Declines
ODDS (%)
Bearish Trend 3 days ago
80%
Bearish Trend 8 days ago
90%
BollingerBands
ODDS (%)
Bullish Trend 1 day ago
88%
Bullish Trend 2 days ago
88%
Aroon
ODDS (%)
Bearish Trend 1 day ago
80%
Bearish Trend 2 days ago
90%
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RKLB
Daily Signal:
Gain/Loss:
SIDU
Daily Signal:
Gain/Loss:
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SIDU and

Correlation & Price change

A.I.dvisor tells us that SIDU and RCAT have been poorly correlated (+30% of the time) for the last year. This A.I.-generated data suggests there is low statistical probability that SIDU and RCAT's prices will move in lockstep.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To SIDU
1D Price
Change %
SIDU100%
-7.75%
RCAT - SIDU
30%
Poorly correlated
-6.81%
MNTS - SIDU
26%
Poorly correlated
-15.53%
EVTL - SIDU
24%
Poorly correlated
-1.78%
RDW - SIDU
24%
Poorly correlated
-7.66%
ACHR - SIDU
22%
Poorly correlated
-8.03%
More