RKLB
Price
$70.59
Change
-$6.59 (-8.54%)
Updated
Dec 26, 04:59 PM (EDT)
Capitalization
41.23B
Intraday BUY SELL Signals
SIDU
Price
$1.91
Change
-$0.29 (-13.18%)
Updated
Dec 26, 04:59 PM (EDT)
Capitalization
77.54M
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$70.59
Change-$6.59 (-8.54%)
Volume$280.89K
Capitalization41.23B
Sidus Space
Price$1.91
Change-$0.29 (-13.18%)
Volume$494.47K
Capitalization77.54M
RKLB vs SIDU Comparison Chart in %
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RKLB vs. SIDU commentary
Dec 27, 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
Dec 27, 2025
Stock price -- (RKLB: $77.18 vs. SIDU: $2.20)
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: 78% vs. SIDU: 589%
Market capitalization -- RKLB: $41.23B vs. SIDU: $77.54M
RKLB [@Aerospace & Defense] is valued at $41.23B. SIDU’s [@Aerospace & Defense] market capitalization is $77.54M. The market cap for tickers in the [@Aerospace & Defense] industry ranges from $334.11B to $0. The average market capitalization across the [@Aerospace & Defense] industry is $23.41B.

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 1 FA rating(s) are green whileSIDU’s FA Score has 0 green FA rating(s).

  • RKLB’s FA Score: 1 green, 4 red.
  • SIDU’s FA Score: 0 green, 5 red.
According to our system of comparison, both RKLB and SIDU are a bad buy in the long-term.

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 6 TA indicator(s) are bullish while SIDU’s TA Score has 5 bullish TA indicator(s).

  • RKLB’s TA Score: 6 bullish, 4 bearish.
  • SIDU’s TA Score: 5 bullish, 5 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 +43.03% price change this week, while SIDU (@Aerospace & Defense) price change was +144.44% for the same time period.

The average weekly price growth across all stocks in the @Aerospace & Defense industry was +1.19%. For the same industry, the average monthly price growth was +8.17%, and the average quarterly price growth was +17.64%.

Industries' Descriptions

@Aerospace & Defense (+1.19% 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($41.2B) has a higher market cap than SIDU($77.5M). RKLB YTD gains are higher at: 203.023 vs. SIDU (-55.102). SIDU has higher annual earnings (EBITDA): -18.44M vs. RKLB (-190.27M). RKLB has more cash in the bank: 977M vs. SIDU (12.7M). SIDU has less debt than RKLB: SIDU (9.98M) vs RKLB (517M). RKLB has higher revenues than SIDU: RKLB (555M) vs SIDU (3.62M).
RKLBSIDURKLB / SIDU
Capitalization41.2B77.5M53,161%
EBITDA-190.27M-18.44M1,032%
Gain YTD203.023-55.102-368%
P/E RatioN/AN/A-
Revenue555M3.62M15,315%
Total Cash977M12.7M7,693%
Total Debt517M9.98M5,182%
TECHNICAL ANALYSIS
Technical Analysis
RKLBSIDU
RSI
ODDS (%)
Bearish Trend 3 days ago
73%
Bearish Trend 3 days ago
90%
Stochastic
ODDS (%)
Bearish Trend 3 days ago
78%
Bearish Trend 3 days ago
90%
Momentum
ODDS (%)
Bullish Trend 3 days ago
80%
Bullish Trend 3 days ago
86%
MACD
ODDS (%)
Bullish Trend 3 days ago
90%
Bullish Trend 3 days ago
86%
TrendWeek
ODDS (%)
Bullish Trend 3 days ago
86%
Bullish Trend 3 days ago
81%
TrendMonth
ODDS (%)
Bullish Trend 3 days ago
89%
Bullish Trend 3 days ago
78%
Advances
ODDS (%)
Bullish Trend 5 days ago
85%
Bullish Trend 5 days ago
85%
Declines
ODDS (%)
Bearish Trend 12 days ago
80%
Bearish Trend 9 days ago
90%
BollingerBands
ODDS (%)
Bearish Trend 3 days ago
75%
Bearish Trend 3 days ago
90%
Aroon
ODDS (%)
Bullish Trend 3 days ago
89%
Bearish Trend 3 days ago
90%
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RKLB
Daily Signal:
Gain/Loss:
SIDU
Daily Signal:
Gain/Loss:
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RKLB and

Correlation & Price change

A.I.dvisor indicates that over the last year, RKLB has been closely correlated with LUNR. These tickers have moved in lockstep 67% of the time. This A.I.-generated data suggests there is a high statistical probability that if RKLB jumps, then LUNR could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To RKLB
1D Price
Change %
RKLB100%
N/A
LUNR - RKLB
67%
Closely correlated
+1.21%
RDW - RKLB
66%
Loosely correlated
-2.37%
ACHR - RKLB
60%
Loosely correlated
-0.12%
PL - RKLB
54%
Loosely correlated
-1.98%
RCAT - RKLB
50%
Loosely correlated
-0.98%
More

SIDU and

Correlation & Price change

A.I.dvisor indicates that over the last year, SIDU has been loosely correlated with RKLB. These tickers have moved in lockstep 38% of the time. This A.I.-generated data suggests there is some statistical probability that if SIDU jumps, then RKLB could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To SIDU
1D Price
Change %
SIDU100%
+33.33%
RKLB - SIDU
38%
Loosely correlated
N/A
LUNR - SIDU
34%
Loosely correlated
+1.21%
RCAT - SIDU
30%
Poorly correlated
-0.98%
MNTS - SIDU
29%
Poorly correlated
+15.70%
SATL - SIDU
27%
Poorly correlated
+8.42%
More