York Space Systems (YSS) stock

Space satellitesDefense

Market cap $838M

$6.32

+0.16%

Space satellites, market cap $838MDefense

As of Monday's close · Live for Pro members at the open

Quality Score

-2

Poor

In its industry

#7of 10

Missiles & Space

Checks firing

3of 14

Trending down

From its high

-85.8%

No 200-day yet

YSS's Quality Score fell 1 point on Mon, Oct 26, to -2. Closed away from the day's high.

New listing, trading since Jan 29, 2026. 187 trading days so far, so 1 of the 14 chart checks waits for more history.

See YSS's 14 chart checksSee it live, free until Wednesday morning. No account. No card. Then keep going with a free account.

We do the work for you. Every stock is scored and ranked, every 15 seconds while the market is open. Here it's 15 minutes behind. Pro members see it live.

Why is YSS down?

Down 67% in 3 months, 24% under its 50-day average.

Down more than its industry: the 8 other stocks in it fell a median 8% over the same 3 months.

−2Dilution 34.6% more shares outstanding than a year ago

2 more things pulling YSS's score down, for Pro members.

Key facts on YSS

Key facts on YSS
Holding it back	34.6% more shares than a year ago
Latest filing	10-Q, Aug 14 Filed its quarterly report (10-Q) for the quarter to Jun 30, 2026

2 more reasons behind YSS's -2, for Pro members.

YSS in the news

Space stocks rose together

Group

“Asian space stocks rise tracking blowout SpaceX Q3 earnings”

YSS closed +3.7% that day.

Reported by Investing.com · covered by 2 outlets

Get an alert on YSS's next big story →

The move is what YSS did that session, not a claim about why.

What's next

Fri Jan 29: One year since its IPOListed Jan 29, 2026 at $34.

Get an alert when YSS's Quality Score turns up →

Tested. Our top-⁠scored stocks returned 2.2x the average stock over the next month. How we tested it

YSS catalysts

Coming up

After its last 3 reports it closed -1.0% on average, higher 1 of 3 times.

8 past catalysts since 2026, with sizes and sources, for Pro members.Get in free →

Here is what Pro members see.

The same page for Pro members, on AMD
Its Quality Score and rank, the line that drives it, and the live price.
The full chart
A year of candles to start, out to the whole history, with insider trades marked and the Quality Score under the price.
Every line of the score
Price action, the company, and signals, each with its points, on YSS and every other stock.
CEOs buying their own stock
Every CEO buy, biggest names first. Sort, filter, save the list, and set optional alerts.
Congress trades
A member's trades, newest first, each with its amount. Sort and filter the whole list.
14 chart checks, read for you
The ones firing on the stock, each in plain words, its rule a tap away.
Earnings, week by week
Who reports each day, and how each stock took its last four reports.
FDA dates, counted down
Each date in the company's words, its cash against the date, and an optional alert before it.
The market map
Every stock a box, colored by its Quality Score.
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Each theme's stocks ranked by Quality Score, live. Here, AI chips.
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The ten highest Quality Scores at each close, kept day by day, week by week.
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Prices refresh every 2.5 seconds during market hours.
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Add it to your Home Screen and it opens like an app.

YSS has 3 of 14 chart checks firing

Trend1 of 5 shown

MA FAN 21 EMA W.EMA HH/HL 52W HI

Volume1 of 3 shown

VOL VDU U/D VOL

Tight range1 of 3 shown

ATR SQZ SQUEEZE NR7

Buying1 of 3 shown

OBV+CLOSE HI SPRING

The other 10 checks on YSS, and all 14 on every stock.Get in free →

YSS RSI today: 36.2, below its 50-day average

Not scored

Not in the Quality Score: over 20 years of tests, 2006 to 2026, they added no edge.

RSI 1436.2
Above 30, below 50.
MACD (12, 26, 9)Above signal
Crossed above its signal line 1 session ago.
50-day average$8.23
The price is 23.2% below it.
200-day average
Not enough history yet.
50/200 cross
Not enough history yet.
ADX 1437.8
25 or more, with +DI below -DI.
Support$5.52
Swing low from Oct 16, 12.7% below the price.
Resistance$10.04
Swing high from Sep 23, 58.9% above the price.
High since listing$44.54
From Apr 22, 604.7% above the price.
Low since listing$5.52
From Oct 16, 12.7% below the price.
Chart patternNone
No triangle, channel, or wedge in the last year.
Bollinger Bands (20, 2)Inside
The bands run from $4.73 to $9.29.
Volume0.7x
Against its 20-day average, for the time of day.

The deep dive on YSS

What it does and how it makes money1 findingFor Pro members1 finding on what YSS does and how it makes money, for Pro members
Where it stands3 findingsIts share count rose 34.6% in the year to Jun 30, 2026.Weighted shares, the quarter to Jun 30, 2026
Who holds and trades it3 findingsFor Pro members3 findings on who holds and trades YSS, for Pro members
Against its closest peers4 peersShare count against a year before: YSS +35%, RDW +146%, FEIM +5.2%, SATL +46%.

6 more findings on YSS, each with its source, for Pro membersGet in free →

How YSS ranks in Missiles & Space

YSS is #7 of 10 by Quality Score among Guided Missiles & Space Vehicles & Parts.

How YSS ranks in Missiles & Space
1	LMTLockheed Martin	8/14	15
3	KTOSKratos Defense & Security Solutions	3/14	2
4	RKLBRocket Lab	2/14	2
	FLYFirefly Aerospace		Open for its score
	VOYGVoyager		Open for its score
	XTNDXtend AI Robotics		Open for its score
7	YSSYork Space Systems	3/14	-2

Share count against a year before: YSS +35%, RDW +146%, FEIM +5.2%, SATL +46%.

When does YSS report earnings, and what happens after?

Expected to report Thu Nov 12, after the close (in 17 days). Expected.

What an earnings report is: every 3 months, a company tells everyone how much it sold and earned. We read the figures, the outlook, and how the stock moved after.

What YSS reported on Aug 13, 2026

The quarter

The figures are not read from the release yet.

“The majority of the decrease in guidance is due to the removal of the new business revenue in 2026 given the shift in government acquisition methodologies.”

The filing on EDGAR

Where the sales came from

YSS's results filing gives no sales by line in a table we read.

The outlook

The outlook the company gave, by period
Measure	Figure
Full year 2026
Revenue	$375M to $405Mcut

Figures as filed (SEC filing, Aug 13)

In the company's words

“This increase was primarily driven by growth in York’s major government programs.”

From its results filing (SEC filing · Aug 13)

1 more sentence, for Pro members.

The numbers

Market value: $838M; today

No analyst estimates on Breakaway: every figure here is filed.

The whole report on YSS: every line of its sales, every outlook beside the one it replaced, and the company's words, for Pro members.Get in free →

+19.2%-17.0%-5.0%

Mar 19May 14Aug 13

Reported	When	Gap	Reaction	5 sessions
Aug 13, 2026After close	After close	-12.6%	-5.0%	-20.1%
May 14, 2026After close	After close	-6.5%	-17.0%	-1.7%
Mar 19, 2026After close	After close	+12.5%	+19.2%	+19.9%

YSS closed higher after 1 of its last 3 reports.

Who is trading YSS

YSS insider trades

One insider sold $18.4M across 10 filings in the last 6 months. No open-⁠market buys on record. The newest:

SellBlackRock Portfolio Management LLC$2.3M10% ownerat $11.60 on Aug 6, filed Aug 10

SellBlackRock Portfolio Management LLC10% owner$2.3Mat $11.60 on Aug 6, filed Aug 10

All 10 insider filings on YSS from the last six months, for Pro members.Get in free →

All YSS insider trades

YSS's officers and directors

Officers and directors with a Form 4 in the last 12 months.

Dirk WallingerChief Executive Officer
Kevin MesserleChief Financial Officer
Brian D. FrantzChief Accounting Officer
Devjyoti RudraChief Supply Chain Officer
Monica J. PalkoOfficer
Andrew BoydDirector
James McConvilleDirector
Janine DavidsonDirector

4 more officers and directors file at YSS. Each page above names the rest.

See insider trades by person

Which ETFs hold YSS?

In ETFs: YSS is under 0.1% of VTI, the most of the 24 funds Breakaway covers, by their holdings as filed for Jun 30, 2026.

About York Space Systems

York Space Systems Inc is a U.S.-based space and defense company that provides mission-related solutions for national security, government, and commercial customers. The company develops its own hardware and software, offering capabilities intended to support customer requirements across various elements of the space mission lifecycle. It offers mission solutions across several complementary product categories: Components, Subsystems, Spacecraft Platforms, Ground Operation, Global Downlink, and Software-Enabled Services. The company derives the majority of revenue from long-term firm-fixed-price (FFP) production contracts for the design of small satellites, launch services, and ground services with both U.S. federal government-controlled agencies and domestic commercial customers.

710 employeesGreenwood Village, COyorkspacesystems.com

Listed on NYSE on Jan 29, 2026, and is 81% below its $34 offer price now. Its IPO filing and first days

YSS's score card

York Space Systems (YSS): Quality Score -2, Poor, #7 of 10 in Missiles & Space, with its price, on Breakaway — The picture a link to this page shows when it is shared.

Pro members see every line of every stock's score.

What would turn YSS's score around: 5 things
Real-⁠time prices, no delay
Every line of YSS's score, with the points and the reason

BreakawayAug 10BlackRock Portfolio Management LLC sold YSS$2.3M at $11.60, filed Aug 10

Alerts are optional.

See YSS's 14 chart checks

See it live, free until Wednesday morning. No account. No card. Then keep going with a free account.

Straight Answers

As of Oct 26, 2026: YSS's Quality Score is -2 (Poor), #7 of 10 in Guided Missiles & Space Vehicles & Parts. Insiders sold $18.4M in the last 6 months (Form 4).

Is YSS a good stock to buy? What its Quality Score says

YSS scores -2 today, which Breakaway calls Poor. It is #7 of 10 in Guided Missiles & Space Vehicles & Parts by Quality Score, with 3 of 14 chart checks firing. Down 67% in 3 months, 24% under its 50-⁠day average. Shares: 34.6% more than a year ago (to Jun 30). Breakaway does not say whether to buy any stock: the score does not know your situation, and it is not a recommendation to buy or sell anything. Please do your own research.

What is YSS's Quality Score?

YSS scores -2 today, which Breakaway calls Poor (below zero). That is #7 of 10 in Guided Missiles & Space Vehicles & Parts by Quality Score. The score adds up the chart checks, the trend, the company's filed sales, its profits, the news, insider trades, and Congress trades. The section above lists the lines behind YSS's -2.

Are insiders buying YSS?

One insider sold $18.4M across 10 filings in the last 6 months. No open-⁠market buys on record. The newest is BlackRock Portfolio Management LLC, 10% owner, who sold $2.3M on Aug 6. Every filing, with the scored weight, for Pro members.

Are the prices delayed?

Only on the public pages, which run at least 15 minutes behind. Pro members, and anyone on a guest pass, see real-time prices: the scanner refreshes every 15 seconds, and your watchlist every few seconds, pre-market and after hours included.