RKLB
Price
$80.10
Change
-$1.07 (-1.32%)
Updated
Aug 13 closing price
Capitalization
51.22B
94 days until earnings call
Intraday BUY SELL Signals
SIDU
Price
$2.54
Change
+$0.06 (+2.42%)
Updated
Aug 13 closing price
Capitalization
259.46M
5 days until earnings call
Intraday BUY SELL Signals
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RKLB vs SIDU

RKLB vs SIDU Comparison Chart in %
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RKLB vs. SIDU commentary
Aug 14, 2026

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 StrongBuy and SIDU is a StrongBuy.

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COMPARISON
Comparison
Aug 14, 2026
Stock price -- (RKLB: $80.10 vs. SIDU: $2.54)
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: 51% vs. SIDU: 52%
Market capitalization -- RKLB: $51.22B vs. SIDU: $259.46M
RKLB [@Aerospace & Defense] is valued at $51.22B. SIDU’s [@Aerospace & Defense] market capitalization is $259.46M. The market cap for tickers in the [@Aerospace & Defense] industry ranges from $1.86T to $0. The average market capitalization across the [@Aerospace & Defense] industry is $43.01B.

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 1 green FA rating(s).

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

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 4 bullish TA indicator(s).

  • RKLB’s TA Score: 4 bullish, 4 bearish.
  • SIDU’s TA Score: 4 bullish, 4 bearish.
According to our system of comparison, both RKLB and SIDU are a good buy in the short-term.

Price Growth

RKLB (@Aerospace & Defense) experienced а +5.85% price change this week, while SIDU (@Aerospace & Defense) price change was +21.53% for the same time period.

The average weekly price growth across all stocks in the @Aerospace & Defense industry was +3.62%. For the same industry, the average monthly price growth was +6.92%, and the average quarterly price growth was +6.44%.

Reported Earning Dates

RKLB is expected to report earnings on Nov 16, 2026.

SIDU is expected to report earnings on Aug 19, 2026.

Industries' Descriptions

@Aerospace & Defense (+3.62% 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($51.2B) has a higher market cap than SIDU($259M). RKLB YTD gains are higher at: 14.822 vs. SIDU (-19.108). SIDU has higher annual earnings (EBITDA): -24.21M vs. RKLB (-140.1M). RKLB has more cash in the bank: 1.38B vs. SIDU (27.3M). SIDU has less debt than RKLB: SIDU (723K) vs RKLB (139M). RKLB has higher revenues than SIDU: RKLB (680M) vs SIDU (3.51M).
RKLBSIDURKLB / SIDU
Capitalization51.2B259M19,768%
EBITDA-140.1M-24.21M579%
Gain YTD14.822-19.108-78%
P/E RatioN/AN/A-
Revenue680M3.51M19,401%
Total Cash1.38B27.3M5,066%
Total Debt139M723K19,225%
TECHNICAL ANALYSIS
Technical Analysis
RKLBSIDU
RSI
ODDS (%)
Bullish Trend 1 day ago
90%
Bullish Trend 1 day ago
83%
Stochastic
ODDS (%)
Bearish Trend 1 day ago
80%
Bearish Trend 1 day ago
90%
Momentum
ODDS (%)
Bullish Trend 1 day ago
84%
Bullish Trend 1 day ago
80%
MACD
ODDS (%)
Bullish Trend 1 day ago
90%
Bullish Trend 1 day ago
84%
TrendWeek
ODDS (%)
Bullish Trend 1 day ago
87%
Bullish Trend 1 day ago
83%
TrendMonth
ODDS (%)
Bullish Trend 1 day ago
89%
Bullish Trend 1 day ago
79%
Advances
ODDS (%)
Bullish Trend 8 days ago
87%
Bullish Trend 4 days ago
86%
Declines
ODDS (%)
Bearish Trend 4 days ago
84%
Bearish Trend 17 days ago
90%
BollingerBands
ODDS (%)
Bearish Trend 1 day ago
79%
Bearish Trend 1 day ago
90%
Aroon
ODDS (%)
Bearish Trend 1 day ago
81%
Bearish Trend 1 day 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 74% 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%
-1.32%
LUNR - RKLB
74%
Closely correlated
+3.60%
FLY - RKLB
67%
Closely correlated
+0.87%
VOYG - RKLB
64%
Loosely correlated
+2.98%
PL - RKLB
58%
Loosely correlated
+1.02%
KTOS - RKLB
55%
Loosely correlated
-1.61%
More

SIDU and

Correlation & Price change

A.I.dvisor indicates that over the last year, SIDU has been loosely correlated with FLY. These tickers have moved in lockstep 56% of the time. This A.I.-generated data suggests there is some statistical probability that if SIDU jumps, then FLY could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To SIDU
1D Price
Change %
SIDU100%
+2.42%
FLY - SIDU
56%
Loosely correlated
+0.87%
LUNR - SIDU
53%
Loosely correlated
+3.60%
RKLB - SIDU
48%
Loosely correlated
-1.32%
VOYG - SIDU
47%
Loosely correlated
+2.98%
SATL - SIDU
45%
Loosely correlated
-1.51%
More